Merge branch 'master' into refactor-cluster-show-pagerefactor-cluster-show-page

199 files changed, 2852 insertions, 1533 deletions

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e4499b85fe1..c26e7f0aeba 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,10 @@
 image: "dev.gitlab.org:5005/gitlab/gitlab-build-images:ruby-2.3.5-golang-1.8-git-2.14-chrome-63.0-node-8.x-yarn-1.2-postgresql-9.6"
 
+.dedicated-runner: &dedicated-runner
+  retry: 1
+  tags:
+    - gitlab-org
+
 .default-cache: &default-cache
   key: "ruby-235-with-yarn"
   paths:
@@ -42,11 +47,6 @@ stages:
   - post-cleanup
 
 # Predefined scopes
-.dedicated-runner: &dedicated-runner
-  retry: 1
-  tags:
-    - gitlab-org
-
 .tests-metadata-state: &tests-metadata-state
   <<: *dedicated-runner
   variables:
@@ -76,10 +76,19 @@ stages:
   except:
     - /(^docs[\/-].*|.*-docs$)/
 
+.except-qa: &except-qa
+  except:
+    - /(^qa[\/-].*|.*-qa$)/
+
+.except-docs-and-qa: &except-docs-and-qa
+  except:
+    - /(^docs[\/-].*|.*-docs$)/
+    - /(^qa[\/-].*|.*-qa$)/
+
 .rspec-metadata: &rspec-metadata
   <<: *dedicated-runner
+  <<: *except-docs-and-qa
   <<: *pull-cache
-  <<: *except-docs
   stage: test
   script:
     - JOB_NAME=( $CI_JOB_NAME )
@@ -116,8 +125,8 @@ stages:
 
 .spinach-metadata: &spinach-metadata
   <<: *dedicated-runner
+  <<: *except-docs-and-qa
   <<: *pull-cache
-  <<: *except-docs
   stage: test
   script:
     - JOB_NAME=( $CI_JOB_NAME )
@@ -156,6 +165,7 @@ stages:
 # Trigger a package build in omnibus-gitlab repository
 #
 package-qa:
+  <<: *dedicated-runner
   image: ruby:2.4-alpine
   before_script: []
   stage: build
@@ -169,6 +179,8 @@ package-qa:
 
 # Review docs base
 .review-docs: &review-docs
+  <<: *dedicated-runner
+  <<: *except-qa
   image: ruby:2.4-alpine
   before_script:
     - gem install gitlab --no-doc
@@ -213,7 +225,7 @@ review-docs-cleanup:
 # Retrieve knapsack and rspec_flaky reports
 retrieve-tests-metadata:
   <<: *tests-metadata-state
-  <<: *except-docs
+  <<: *except-docs-and-qa
   stage: prepare
   cache:
     key: tests_metadata
@@ -265,6 +277,7 @@ flaky-examples-check:
   except:
     - master
     - /(^docs[\/-].*|.*-docs$)/
+    - /(^qa[\/-].*|.*-qa$)/
   artifacts:
     expire_in: 30d
     paths:
@@ -275,9 +288,9 @@ flaky-examples-check:
     - scripts/detect-new-flaky-examples $NEW_FLAKY_SPECS_REPORT
 
 setup-test-env:
-  <<: *use-pg
   <<: *dedicated-runner
   <<: *except-docs
+  <<: *use-pg
   stage: prepare
   cache:
     <<: *default-cache
@@ -366,18 +379,18 @@ spinach-mysql 3 4: *spinach-metadata-mysql
     SETUP_DB: "false"
 
 .rake-exec: &rake-exec
-  <<: *ruby-static-analysis
   <<: *dedicated-runner
-  <<: *except-docs
+  <<: *except-docs-and-qa
   <<: *pull-cache
+  <<: *ruby-static-analysis
   stage: test
   script:
     - bundle exec rake $CI_JOB_NAME
 
 static-analysis:
-  <<: *ruby-static-analysis
   <<: *dedicated-runner
   <<: *except-docs
+  <<: *ruby-static-analysis
   stage: test
   script:
     - scripts/static-analysis
@@ -387,6 +400,7 @@ static-analysis:
 # - Make sure cURL examples in API docs use the full switches
 docs lint:
   <<: *dedicated-runner
+  <<: *except-qa
   image: "registry.gitlab.com/gitlab-org/gitlab-build-images:nanoc-bootstrap-ruby-2.4-alpine"
   stage: test
   cache: {}
@@ -409,6 +423,7 @@ downtime_check:
     - tags
     - /^[\d-]+-stable(-ee)?$/
     - /(^docs[\/-].*|.*-docs$)/
+    - /(^qa[\/-].*|.*-qa$)/
 
 ee_compat_check:
   <<: *rake-exec
@@ -429,7 +444,7 @@ ee_compat_check:
 # DB migration, rollback, and seed jobs
 .db-migrate-reset: &db-migrate-reset
   <<: *dedicated-runner
-  <<: *except-docs
+  <<: *except-docs-and-qa
   <<: *pull-cache
   stage: test
   script:
@@ -443,10 +458,16 @@ db:migrate:reset-mysql:
   <<: *db-migrate-reset
   <<: *use-mysql
 
+db:check-schema-pg:
+  <<: *db-migrate-reset
+  <<: *use-pg
+  script:
+    - source scripts/schema_changed.sh
+
 .migration-paths: &migration-paths
   <<: *dedicated-runner
+  <<: *except-docs-and-qa
   <<: *pull-cache
-  <<: *except-docs
   stage: test
   variables:
     SETUP_DB: "false"
@@ -472,7 +493,7 @@ migration:path-mysql:
 
 .db-rollback: &db-rollback
   <<: *dedicated-runner
-  <<: *except-docs
+  <<: *except-docs-and-qa
   <<: *pull-cache
   stage: test
   script:
@@ -489,7 +510,7 @@ db:rollback-mysql:
 
 .db-seed_fu: &db-seed_fu
   <<: *dedicated-runner
-  <<: *except-docs
+  <<: *except-docs-and-qa
   <<: *pull-cache
   stage: test
   variables:
@@ -514,16 +535,10 @@ db:seed_fu-mysql:
   <<: *db-seed_fu
   <<: *use-mysql
 
-db:check-schema-pg:
-  <<: *db-migrate-reset
-  <<: *use-pg
-  script:
-    - source scripts/schema_changed.sh
-
 # Frontend-related jobs
 gitlab:assets:compile:
   <<: *dedicated-runner
-  <<: *except-docs
+  <<: *except-docs-and-qa
   <<: *pull-cache
   stage: test
   dependencies: []
@@ -544,10 +559,10 @@ gitlab:assets:compile:
       - webpack-report/
 
 karma:
-  <<: *use-pg
   <<: *dedicated-runner
-  <<: *except-docs
+  <<: *except-docs-and-qa
   <<: *pull-cache
+  <<: *use-pg
   stage: test
   variables:
     BABEL_ENV: "coverage"
@@ -586,6 +601,7 @@ codequality:
     paths: [codeclimate.json]
 
 qa:internal:
+  <<: *dedicated-runner
   <<: *except-docs
   stage: test
   variables:
@@ -598,7 +614,7 @@ qa:internal:
 
 coverage:
   <<: *dedicated-runner
-  <<: *except-docs
+  <<: *except-docs-and-qa
   <<: *pull-cache
   stage: post-test
   services: []
@@ -617,7 +633,7 @@ coverage:
 
 lint:javascript:report:
   <<: *dedicated-runner
-  <<: *except-docs
+  <<: *except-docs-and-qa
   <<: *pull-cache
   stage: post-test
   dependencies:
@@ -675,8 +691,9 @@ cache gems:
     - master@gitlab-org/gitlab-ee
 
 gitlab_git_test:
+  <<: *dedicated-runner
+  <<: *except-docs-and-qa
   <<: *pull-cache
-  <<: *except-docs
   variables:
     SETUP_DB: "false"
   script:
diff --git a/Gemfile b/Gemfile
index 6b1c6e16851..b6ffaf80f24 100644
--- a/Gemfile
+++ b/Gemfile
@@ -263,7 +263,7 @@ gem 'gettext_i18n_rails', '~> 1.8.0'
 gem 'gettext_i18n_rails_js', '~> 1.2.0'
 gem 'gettext', '~> 3.2.2', require: false, group: :development
 
-gem 'batch-loader'
+gem 'batch-loader', '~> 1.2.1'
 
 # Perf bar
 gem 'peek', '~> 1.0.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 11040fab805..a6e3c9e27cc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,7 +78,7 @@ GEM
       thread_safe (~> 0.3, >= 0.3.1)
     babosa (1.0.2)
     base32 (0.3.2)
-    batch-loader (1.1.1)
+    batch-loader (1.2.1)
     bcrypt (3.1.11)
     bcrypt_pbkdf (1.0.0)
     benchmark-ips (2.3.0)
@@ -988,7 +988,7 @@ DEPENDENCIES
   awesome_print (~> 1.2.0)
   babosa (~> 1.0.2)
   base32 (~> 0.3.0)
-  batch-loader
+  batch-loader (~> 1.2.1)
   bcrypt_pbkdf (~> 1.0)
   benchmark-ips (~> 2.3.0)
   better_errors (~> 2.1.0)
diff --git a/app/assets/javascripts/boards/components/board_sidebar.js b/app/assets/javascripts/boards/components/board_sidebar.js
index faa76da964f..616de2347e1 100644
--- a/app/assets/javascripts/boards/components/board_sidebar.js
+++ b/app/assets/javascripts/boards/components/board_sidebar.js
@@ -1,9 +1,9 @@
 /* eslint-disable comma-dangle, space-before-function-paren, no-new */
 /* global MilestoneSelect */
-/* global Sidebar */
 
 import Vue from 'vue';
 import Flash from '../../flash';
+import Sidebar from '../../right_sidebar';
 import eventHub from '../../sidebar/event_hub';
 import assigneeTitle from '../../sidebar/components/assignees/assignee_title';
 import assignees from '../../sidebar/components/assignees/assignees';
diff --git a/app/assets/javascripts/commit/image_file.js b/app/assets/javascripts/commit/image_file.js
index 5662802525e..b6a0ece7907 100644
--- a/app/assets/javascripts/commit/image_file.js
+++ b/app/assets/javascripts/commit/image_file.js
@@ -176,6 +176,7 @@ export default class ImageFile {
             left: dragTrackWidth
           });
 
+          $frameAdded.css('opacity', 1);
           framePadding = parseInt($frameAdded.css('right').replace('px', ''), 10);
 
           _this.initDraggable($dragger, framePadding, function(e, left) {
diff --git a/app/assets/javascripts/diff_notes/components/diff_note_avatars.js b/app/assets/javascripts/diff_notes/components/diff_note_avatars.js
index 06ce84d7599..300b02da663 100644
--- a/app/assets/javascripts/diff_notes/components/diff_note_avatars.js
+++ b/app/assets/javascripts/diff_notes/components/diff_note_avatars.js
@@ -1,8 +1,8 @@
 /* global CommentsStore */
-/* global notes */
 
 import Vue from 'vue';
 import collapseIcon from '../icons/collapse_icon.svg';
+import Notes from '../../notes';
 import userAvatarImage from '../../vue_shared/components/user_avatar/user_avatar_image.vue';
 
 const DiffNoteAvatars = Vue.extend({
@@ -129,7 +129,7 @@ const DiffNoteAvatars = Vue.extend({
   },
   methods: {
     clickedAvatar(e) {
-      notes.onAddDiffNote(e);
+      Notes.instance.onAddDiffNote(e);
 
       // Toggle the active state of the toggle all button
       this.toggleDiscussionsToggleState();
diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index f62a0208110..62867c56214 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -11,7 +11,7 @@ import NotificationsForm from './notifications_form';
 import notificationsDropdown from './notifications_dropdown';
 import groupAvatar from './group_avatar';
 import GroupLabelSubscription from './group_label_subscription';
-/* global LineHighlighter */
+import LineHighlighter from './line_highlighter';
 import BuildArtifacts from './build_artifacts';
 import CILintEditor from './ci_lint_editor';
 import groupsSelect from './groups_select';
@@ -21,7 +21,7 @@ import NamespaceSelect from './namespace_select';
 import NewCommitForm from './new_commit_form';
 import Project from './project';
 import projectAvatar from './project_avatar';
-/* global MergeRequest */
+import MergeRequest from './merge_request';
 import Compare from './compare';
 import initCompareAutocomplete from './compare_autocomplete';
 import ProjectFindFile from './project_find_file';
@@ -29,7 +29,7 @@ import ProjectNew from './project_new';
 import projectImport from './project_import';
 import Labels from './labels';
 import LabelManager from './label_manager';
-/* global Sidebar */
+import Sidebar from './right_sidebar';
 import IssuableTemplateSelectors from './templates/issuable_template_selectors';
 import Flash from './flash';
 import CommitsList from './commits';
diff --git a/app/assets/javascripts/docs/docs_bundle.js b/app/assets/javascripts/docs/docs_bundle.js
new file mode 100644
index 00000000000..a32bd6d0fc7
--- /dev/null
+++ b/app/assets/javascripts/docs/docs_bundle.js
@@ -0,0 +1,13 @@
+import Mousetrap from 'mousetrap';
+
+function addMousetrapClick(el, key) {
+  el.addEventListener('click', () => Mousetrap.trigger(key));
+}
+
+function domContentLoaded() {
+  addMousetrapClick(document.querySelector('.js-trigger-shortcut'), '?');
+  addMousetrapClick(document.querySelector('.js-trigger-search-bar'), 's');
+}
+
+document.addEventListener('DOMContentLoaded', domContentLoaded);
+
diff --git a/app/assets/javascripts/gl_dropdown.js b/app/assets/javascripts/gl_dropdown.js
index cf4a70e321e..64f258aed64 100644
--- a/app/assets/javascripts/gl_dropdown.js
+++ b/app/assets/javascripts/gl_dropdown.js
@@ -300,7 +300,7 @@ GitLabDropdown = (function() {
             return function(data) {
               _this.fullData = data;
               _this.parseData(_this.fullData);
-              _this.focusTextInput(true);
+              _this.focusTextInput();
               if (_this.options.filterable && _this.filter && _this.filter.input && _this.filter.input.val() && _this.filter.input.val().trim() !== '') {
                 return _this.filter.input.trigger('input');
               }
@@ -790,24 +790,16 @@ GitLabDropdown = (function() {
     return [selectedObject, isMarking];
   };
 
-  GitLabDropdown.prototype.focusTextInput = function(triggerFocus = false) {
+  GitLabDropdown.prototype.focusTextInput = function() {
     if (this.options.filterable) {
-      this.dropdown.one('transitionend', () => {
-        const initialScrollTop = $(window).scrollTop();
+      const initialScrollTop = $(window).scrollTop();
 
-        if (this.dropdown.is('.open')) {
-          this.filterInput.focus();
-        }
-
-        if ($(window).scrollTop() < initialScrollTop) {
-          $(window).scrollTop(initialScrollTop);
-        }
-      });
+      if (this.dropdown.is('.open')) {
+        this.filterInput.focus();
+      }
 
-      if (triggerFocus) {
-        // This triggers after a ajax request
-        // in case of slow requests, the dropdown transition could already be finished
-        this.dropdown.trigger('transitionend');
+      if ($(window).scrollTop() < initialScrollTop) {
+        $(window).scrollTop(initialScrollTop);
       }
     }
   };
diff --git a/app/assets/javascripts/graphs/stat_graph_contributors.js b/app/assets/javascripts/graphs/stat_graph_contributors.js
index e7232ca3712..151a4ce012c 100644
--- a/app/assets/javascripts/graphs/stat_graph_contributors.js
+++ b/app/assets/javascripts/graphs/stat_graph_contributors.js
@@ -1,13 +1,14 @@
 /* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, one-var, camelcase, one-var-declaration-per-line, quotes, no-param-reassign, quote-props, comma-dangle, prefer-template, max-len, no-return-assign, no-shadow */
 
 import _ from 'underscore';
-import d3 from 'd3';
 import { ContributorsGraph, ContributorsAuthorGraph, ContributorsMasterGraph } from './stat_graph_contributors_graph';
 import ContributorsStatGraphUtil from './stat_graph_contributors_util';
-import { n__ } from '../locale';
+import { n__, s__, createDateTimeFormat, sprintf } from '../locale';
 
 export default (function() {
-  function ContributorsStatGraph() {}
+  function ContributorsStatGraph() {
+    this.dateFormat = createDateTimeFormat({ year: 'numeric', month: 'long', day: 'numeric' });
+  }
 
   ContributorsStatGraph.prototype.init = function(log) {
     var author_commits, total_commits;
@@ -83,9 +84,12 @@ export default (function() {
     return _.each(author_commits, (function(_this) {
       return function(d) {
         _this.redraw_author_commit_info(d);
-        $(_this.authors[d.author_name].list_item).appendTo("ol");
-        _this.authors[d.author_name].set_data(d.dates);
-        return _this.authors[d.author_name].redraw();
+        if (_this.authors[d.author_name] != null) {
+          $(_this.authors[d.author_name].list_item).appendTo("ol");
+          _this.authors[d.author_name].set_data(d.dates);
+          return _this.authors[d.author_name].redraw();
+        }
+        return '';
       };
     })(this));
   };
@@ -95,18 +99,26 @@ export default (function() {
   };
 
   ContributorsStatGraph.prototype.change_date_header = function() {
-    var print, print_date_format, x_domain;
-    x_domain = ContributorsGraph.prototype.x_domain;
-    print_date_format = d3.time.format("%B %e %Y");
-    print = print_date_format(x_domain[0]) + " - " + print_date_format(x_domain[1]);
-    return $("#date_header").text(print);
+    const x_domain = ContributorsGraph.prototype.x_domain;
+    const formattedDateRange = sprintf(
+      s__('ContributorsPage|%{startDate} – %{endDate}'),
+      {
+        startDate: this.dateFormat.format(new Date(x_domain[0])),
+        endDate: this.dateFormat.format(new Date(x_domain[1])),
+      },
+    );
+    return $('#date_header').text(formattedDateRange);
   };
 
   ContributorsStatGraph.prototype.redraw_author_commit_info = function(author) {
-    var author_commit_info, author_list_item;
-    author_list_item = $(this.authors[author.author_name].list_item);
-    author_commit_info = this.format_author_commit_info(author);
-    return author_list_item.find("span").html(author_commit_info);
+    var author_commit_info, author_list_item, $author;
+    $author = this.authors[author.author_name];
+    if ($author != null) {
+      author_list_item = $(this.authors[author.author_name].list_item);
+      author_commit_info = this.format_author_commit_info(author);
+      return author_list_item.find("span").html(author_commit_info);
+    }
+    return '';
   };
 
   return ContributorsStatGraph;
diff --git a/app/assets/javascripts/graphs/stat_graph_contributors_graph.js b/app/assets/javascripts/graphs/stat_graph_contributors_graph.js
index f64b4638485..9a4012232a0 100644
--- a/app/assets/javascripts/graphs/stat_graph_contributors_graph.js
+++ b/app/assets/javascripts/graphs/stat_graph_contributors_graph.js
@@ -1,6 +1,15 @@
 /* eslint-disable func-names, space-before-function-paren, no-var, prefer-rest-params, max-len, no-restricted-syntax, vars-on-top, no-use-before-define, no-param-reassign, new-cap, no-underscore-dangle, wrap-iife, comma-dangle, no-return-assign, prefer-arrow-callback, quotes, prefer-template, newline-per-chained-call, no-else-return, no-shadow */
 import _ from 'underscore';
-import d3 from 'd3';
+import { extent, max } from 'd3-array';
+import { select, event as d3Event } from 'd3-selection';
+import { scaleTime, scaleLinear } from 'd3-scale';
+import { axisLeft, axisBottom } from 'd3-axis';
+import { area } from 'd3-shape';
+import { brushX } from 'd3-brush';
+import { timeParse } from 'd3-time-format';
+import { dateTickFormat } from '../lib/utils/tick_formats';
+
+const d3 = { extent, max, select, scaleTime, scaleLinear, axisLeft, axisBottom, area, brushX, timeParse };
 
 const extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
 const hasProp = {}.hasOwnProperty;
@@ -70,8 +79,8 @@ export const ContributorsGraph = (function() {
   };
 
   ContributorsGraph.prototype.create_scale = function(width, height) {
-    this.x = d3.time.scale().range([0, width]).clamp(true);
-    return this.y = d3.scale.linear().range([height, 0]).nice();
+    this.x = d3.scaleTime().range([0, width]).clamp(true);
+    return this.y = d3.scaleLinear().range([height, 0]).nice();
   };
 
   ContributorsGraph.prototype.draw_x_axis = function() {
@@ -93,9 +102,12 @@ export const ContributorsMasterGraph = (function(superClass) {
   extend(ContributorsMasterGraph, superClass);
 
   function ContributorsMasterGraph(data1) {
+    const $parentElement = $('#contributors-master');
+    const parentPadding = parseFloat($parentElement.css('padding-left')) + parseFloat($parentElement.css('padding-right'));
+
     this.data = data1;
     this.update_content = this.update_content.bind(this);
-    this.width = $('.content').width() - 70;
+    this.width = $('.content').width() - parentPadding - (this.MARGIN.left + this.MARGIN.right);
     this.height = 200;
     this.x = null;
     this.y = null;
@@ -120,7 +132,7 @@ export const ContributorsMasterGraph = (function(superClass) {
 
   ContributorsMasterGraph.prototype.parse_dates = function(data) {
     var parseDate;
-    parseDate = d3.time.format("%Y-%m-%d").parse;
+    parseDate = d3.timeParse("%Y-%m-%d");
     return data.forEach(function(d) {
       return d.date = parseDate(d.date);
     });
@@ -131,8 +143,10 @@ export const ContributorsMasterGraph = (function(superClass) {
   };
 
   ContributorsMasterGraph.prototype.create_axes = function() {
-    this.x_axis = d3.svg.axis().scale(this.x).orient("bottom");
-    return this.y_axis = d3.svg.axis().scale(this.y).orient("left").ticks(5);
+    this.x_axis = d3.axisBottom()
+      .scale(this.x)
+      .tickFormat(dateTickFormat);
+    return this.y_axis = d3.axisLeft().scale(this.y).ticks(5);
   };
 
   ContributorsMasterGraph.prototype.create_svg = function() {
@@ -140,16 +154,16 @@ export const ContributorsMasterGraph = (function(superClass) {
   };
 
   ContributorsMasterGraph.prototype.create_area = function(x, y) {
-    return this.area = d3.svg.area().x(function(d) {
+    return this.area = d3.area().x(function(d) {
       return x(d.date);
     }).y0(this.height).y1(function(d) {
       d.commits = d.commits || d.additions || d.deletions;
       return y(d.commits);
-    }).interpolate("basis");
+    });
   };
 
   ContributorsMasterGraph.prototype.create_brush = function() {
-    return this.brush = d3.svg.brush().x(this.x).on("brushend", this.update_content);
+    return this.brush = d3.brushX(this.x).extent([[this.x.range()[0], 0], [this.x.range()[1], this.height]]).on("end", this.update_content);
   };
 
   ContributorsMasterGraph.prototype.draw_path = function(data) {
@@ -161,7 +175,12 @@ export const ContributorsMasterGraph = (function(superClass) {
   };
 
   ContributorsMasterGraph.prototype.update_content = function() {
-    ContributorsGraph.set_x_domain(this.brush.empty() ? this.x_max_domain : this.brush.extent());
+    // d3Event.selection replaces the function brush.empty() calls
+    if (d3Event.selection != null) {
+      ContributorsGraph.set_x_domain(d3Event.selection.map(this.x.invert));
+    } else {
+      ContributorsGraph.set_x_domain(this.x_max_domain);
+    }
     return $("#brush_change").trigger('change');
   };
 
@@ -219,14 +238,17 @@ export const ContributorsAuthorGraph = (function(superClass) {
   };
 
   ContributorsAuthorGraph.prototype.create_axes = function() {
-    this.x_axis = d3.svg.axis().scale(this.x).orient("bottom").ticks(8);
-    return this.y_axis = d3.svg.axis().scale(this.y).orient("left").ticks(5);
+    this.x_axis = d3.axisBottom()
+      .scale(this.x)
+      .ticks(8)
+      .tickFormat(dateTickFormat);
+    return this.y_axis = d3.axisLeft().scale(this.y).ticks(5);
   };
 
   ContributorsAuthorGraph.prototype.create_area = function(x, y) {
-    return this.area = d3.svg.area().x(function(d) {
+    return this.area = d3.area().x(function(d) {
       var parseDate;
-      parseDate = d3.time.format("%Y-%m-%d").parse;
+      parseDate = d3.timeParse("%Y-%m-%d");
       return x(parseDate(d));
     }).y0(this.height).y1((function(_this) {
       return function(d) {
@@ -236,11 +258,12 @@ export const ContributorsAuthorGraph = (function(superClass) {
           return y(0);
         }
       };
-    })(this)).interpolate("basis");
+    })(this));
   };
 
   ContributorsAuthorGraph.prototype.create_svg = function() {
-    this.list_item = d3.selectAll(".person")[0].pop();
+    var persons = document.querySelectorAll('.person');
+    this.list_item = persons[persons.length - 1];
     return this.svg = d3.select(this.list_item).append("svg").attr("width", this.width + this.MARGIN.left + this.MARGIN.right).attr("height", this.height + this.MARGIN.top + this.MARGIN.bottom).attr("class", "spark").append("g").attr("transform", "translate(" + this.MARGIN.left + "," + this.MARGIN.top + ")");
   };
 
diff --git a/app/assets/javascripts/init_issuable_sidebar.js b/app/assets/javascripts/init_issuable_sidebar.js
index ada693afc46..5d4c1851fe5 100644
--- a/app/assets/javascripts/init_issuable_sidebar.js
+++ b/app/assets/javascripts/init_issuable_sidebar.js
@@ -2,7 +2,7 @@
 /* global MilestoneSelect */
 import LabelsSelect from './labels_select';
 import IssuableContext from './issuable_context';
-/* global Sidebar */
+import Sidebar from './right_sidebar';
 
 import DueDateSelectors from './due_date_select';
 
@@ -15,5 +15,5 @@ export default () => {
   new LabelsSelect();
   new IssuableContext(sidebarOptions.currentUser);
   new DueDateSelectors();
-  window.sidebar = new Sidebar();
+  Sidebar.initialize();
 };
diff --git a/app/assets/javascripts/init_notes.js b/app/assets/javascripts/init_notes.js
index 3a8b4360cb6..882aedfcc76 100644
--- a/app/assets/javascripts/init_notes.js
+++ b/app/assets/javascripts/init_notes.js
@@ -1,4 +1,4 @@
-/* global Notes */
+import Notes from './notes';
 
 export default () => {
   const dataEl = document.querySelector('.js-notes-data');
@@ -10,5 +10,7 @@ export default () => {
     autocomplete,
   } = JSON.parse(dataEl.innerHTML);
 
-  window.notes = new Notes(notesUrl, notesIds, now, diffView, autocomplete);
+  // Create a singleton so that we don't need to assign
+  // into the window object, we can just access the current isntance with Notes.instance
+  Notes.initialize(notesUrl, notesIds, now, diffView, autocomplete);
 };
diff --git a/app/assets/javascripts/issue_show/components/app.vue b/app/assets/javascripts/issue_show/components/app.vue
index 25ebe5314e0..952f49d522e 100644
--- a/app/assets/javascripts/issue_show/components/app.vue
+++ b/app/assets/javascripts/issue_show/components/app.vue
@@ -32,7 +32,7 @@ export default {
     showInlineEditButton: {
       type: Boolean,
       required: false,
-      default: false,
+      default: true,
     },
     showDeleteButton: {
       type: Boolean,
diff --git a/app/assets/javascripts/issue_show/components/title.vue b/app/assets/javascripts/issue_show/components/title.vue
index a363d06d950..b7e6eadd440 100644
--- a/app/assets/javascripts/issue_show/components/title.vue
+++ b/app/assets/javascripts/issue_show/components/title.vue
@@ -79,7 +79,7 @@
       v-tooltip
       v-if="showInlineEditButton && canUpdate"
       type="button"
-      class="btn btn-default btn-edit btn-svg"
+      class="btn btn-default btn-edit btn-svg js-issuable-edit"
       v-html="pencilIcon"
       title="Edit title and description"
       data-placement="bottom"
diff --git a/app/assets/javascripts/issue_show/index.js b/app/assets/javascripts/issue_show/index.js
index 7b762496ba5..75dfdedcf1b 100644
--- a/app/assets/javascripts/issue_show/index.js
+++ b/app/assets/javascripts/issue_show/index.js
@@ -1,5 +1,4 @@
 import Vue from 'vue';
-import eventHub from './event_hub';
 import issuableApp from './components/app.vue';
 import '../vue_shared/vue_resource_interceptor';
 
@@ -7,12 +6,6 @@ document.addEventListener('DOMContentLoaded', () => {
   const initialDataEl = document.getElementById('js-issuable-app-initial-data');
   const props = JSON.parse(initialDataEl.innerHTML.replace(/&quot;/g, '"'));
 
-  $('.js-issuable-edit').on('click', (e) => {
-    e.preventDefault();
-
-    eventHub.$emit('open.form');
-  });
-
   return new Vue({
     el: document.getElementById('js-issuable-app'),
     components: {
diff --git a/app/assets/javascripts/layout_nav.js b/app/assets/javascripts/layout_nav.js
index a6f82b247e2..ab3cc29146a 100644
--- a/app/assets/javascripts/layout_nav.js
+++ b/app/assets/javascripts/layout_nav.js
@@ -1,59 +1,51 @@
-/* eslint-disable func-names, space-before-function-paren, no-var, prefer-arrow-callback, no-unused-vars, one-var, one-var-declaration-per-line, vars-on-top, max-len */
-import _ from 'underscore';
-import Cookies from 'js-cookie';
 import ContextualSidebar from './contextual_sidebar';
 import initFlyOutNav from './fly_out_nav';
 
-(function() {
-  var hideEndFade;
+function hideEndFade($scrollingTabs) {
+  $scrollingTabs.each(function scrollTabsLoop() {
+    const $this = $(this);
+    $this.siblings('.fade-right').toggleClass('scrolling', $this.width() < $this.prop('scrollWidth'));
+  });
+}
 
-  hideEndFade = function($scrollingTabs) {
-    return $scrollingTabs.each(function() {
-      var $this;
-      $this = $(this);
-      return $this.siblings('.fade-right').toggleClass('scrolling', $this.width() < $this.prop('scrollWidth'));
-    });
-  };
+export default function initLayoutNav() {
+  const contextualSidebar = new ContextualSidebar();
+  contextualSidebar.bindEvents();
+
+  initFlyOutNav();
 
   $(document).on('init.scrolling-tabs', () => {
     const $scrollingTabs = $('.scrolling-tabs').not('.is-initialized');
     $scrollingTabs.addClass('is-initialized');
 
-    hideEndFade($scrollingTabs);
-    $(window).off('resize.nav').on('resize.nav', function() {
-      return hideEndFade($scrollingTabs);
-    });
-    $scrollingTabs.off('scroll').on('scroll', function(event) {
-      var $this, currentPosition, maxPosition;
-      $this = $(this);
-      currentPosition = $this.scrollLeft();
-      maxPosition = $this.prop('scrollWidth') - $this.outerWidth();
+    $(window).on('resize.nav', () => {
+      hideEndFade($scrollingTabs);
+    }).trigger('resize.nav');
+
+    $scrollingTabs.on('scroll', function tabsScrollEvent() {
+      const $this = $(this);
+      const currentPosition = $this.scrollLeft();
+      const maxPosition = $this.prop('scrollWidth') - $this.outerWidth();
+
       $this.siblings('.fade-left').toggleClass('scrolling', currentPosition > 0);
-      return $this.siblings('.fade-right').toggleClass('scrolling', currentPosition < maxPosition - 1);
+      $this.siblings('.fade-right').toggleClass('scrolling', currentPosition < maxPosition - 1);
     });
 
-    $scrollingTabs.each(function () {
-      var $this = $(this);
-      var scrollingTabWidth = $this.width();
-      var $active = $this.find('.active');
-      var activeWidth = $active.width();
+    $scrollingTabs.each(function scrollTabsEachLoop() {
+      const $this = $(this);
+      const scrollingTabWidth = $this.width();
+      const $active = $this.find('.active');
+      const activeWidth = $active.width();
 
       if ($active.length) {
-        var offset = $active.offset().left + activeWidth;
+        const offset = $active.offset().left + activeWidth;
 
         if (offset > scrollingTabWidth - 30) {
-          var scrollLeft = scrollingTabWidth / 2;
-          scrollLeft = (offset - scrollLeft) - (activeWidth / 2);
+          const scrollLeft = (offset - (scrollingTabWidth / 2)) - (activeWidth / 2);
+
           $this.scrollLeft(scrollLeft);
         }
       }
     });
-  });
-
-  $(() => {
-    const contextualSidebar = new ContextualSidebar();
-    contextualSidebar.bindEvents();
-
-    initFlyOutNav();
-  });
-}).call(window);
+  }).trigger('init.scrolling-tabs');
+}
diff --git a/app/assets/javascripts/lib/utils/tick_formats.js b/app/assets/javascripts/lib/utils/tick_formats.js
new file mode 100644
index 00000000000..0c10a85e336
--- /dev/null
+++ b/app/assets/javascripts/lib/utils/tick_formats.js
@@ -0,0 +1,39 @@
+import { createDateTimeFormat } from '../../locale';
+
+let dateTimeFormats;
+
+export const initDateFormats = () => {
+  const dayFormat = createDateTimeFormat({ month: 'short', day: 'numeric' });
+  const monthFormat = createDateTimeFormat({ month: 'long' });
+  const yearFormat = createDateTimeFormat({ year: 'numeric' });
+
+  dateTimeFormats = {
+    dayFormat,
+    monthFormat,
+    yearFormat,
+  };
+};
+
+initDateFormats();
+
+/**
+  Formats a localized date in way that it can be used for d3.js axis.tickFormat().
+
+  That is, it displays
+  - 4-digit for first of January
+  - full month name for first of every month
+  - day and abbreviated month otherwise
+
+  see also https://github.com/d3/d3-3.x-api-reference/blob/master/SVG-Axes.md#tickFormat
+  */
+export const dateTickFormat = (date) => {
+  if (date.getDate() !== 1) {
+    return dateTimeFormats.dayFormat.format(date);
+  }
+
+  if (date.getMonth() > 0) {
+    return dateTimeFormats.monthFormat.format(date);
+  }
+
+  return dateTimeFormats.yearFormat.format(date);
+};
diff --git a/app/assets/javascripts/line_highlighter.js b/app/assets/javascripts/line_highlighter.js
index a75d1a4b8d0..fbd381d8ff7 100644
--- a/app/assets/javascripts/line_highlighter.js
+++ b/app/assets/javascripts/line_highlighter.js
@@ -175,4 +175,4 @@ LineHighlighter.prototype.__setLocationHash__ = function(value) {
   }, document.title, value);
 };
 
-window.LineHighlighter = LineHighlighter;
+export default LineHighlighter;
diff --git a/app/assets/javascripts/locale/index.js b/app/assets/javascripts/locale/index.js
index 1003b9ba0af..2f4328b56e1 100644
--- a/app/assets/javascripts/locale/index.js
+++ b/app/assets/javascripts/locale/index.js
@@ -1,8 +1,7 @@
 import Jed from 'jed';
 import sprintf from './sprintf';
 
-const langAttribute = document.querySelector('html').getAttribute('lang');
-const lang = (langAttribute || 'en').replace(/-/g, '_');
+const languageCode = () => document.querySelector('html').getAttribute('lang') || 'en';
 const locale = new Jed(window.translations || {});
 delete window.translations;
 
@@ -47,9 +46,19 @@ const pgettext = (keyOrContext, key) => {
   return translated[translated.length - 1];
 };
 
-export { lang };
+/**
+  Creates an instance of Intl.DateTimeFormat for the current locale.
+
+  @param formatOptions for available options, please see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat
+  @returns {Intl.DateTimeFormat}
+*/
+const createDateTimeFormat =
+  formatOptions => Intl.DateTimeFormat(languageCode(), formatOptions);
+
+export { languageCode };
 export { gettext as __ };
 export { ngettext as n__ };
 export { pgettext as s__ };
 export { sprintf };
+export { createDateTimeFormat };
 export default locale;
diff --git a/app/assets/javascripts/main.js b/app/assets/javascripts/main.js
index ae3f76873cf..59bfa482bb0 100644
--- a/app/assets/javascripts/main.js
+++ b/app/assets/javascripts/main.js
@@ -41,18 +41,14 @@ import Flash, { removeFlashClickListener } from './flash';
 import './gl_dropdown';
 import initTodoToggle from './header';
 import initImporterStatus from './importer_status';
-import './layout_nav';
+import initLayoutNav from './layout_nav';
 import LazyLoader from './lazy_loader';
 import './line_highlighter';
 import initLogoAnimation from './logo';
-import './merge_request';
-import './merge_request_tabs';
 import './milestone_select';
-import './notes';
 import './preview_markdown';
 import './projects_dropdown';
 import './render_gfm';
-import './right_sidebar';
 import initBreadcrumbs from './breadcrumb';
 
 import './dispatcher';
@@ -93,6 +89,7 @@ $(function () {
   var fitSidebarForSize;
 
   initBreadcrumbs();
+  initLayoutNav();
   initImporterStatus();
   initTodoToggle();
   initLogoAnimation();
@@ -265,8 +262,6 @@ $(function () {
 
   renderTimeago();
 
-  $(document).trigger('init.scrolling-tabs');
-
   $('form.filter-form').on('submit', function (event) {
     const link = document.createElement('a');
     link.href = this.action;
diff --git a/app/assets/javascripts/merge_request.js b/app/assets/javascripts/merge_request.js
index 6946c0b30f0..cb3cdea8111 100644
--- a/app/assets/javascripts/merge_request.js
+++ b/app/assets/javascripts/merge_request.js
@@ -1,5 +1,4 @@
 /* eslint-disable func-names, space-before-function-paren, no-var, prefer-rest-params, wrap-iife, quotes, no-underscore-dangle, one-var, one-var-declaration-per-line, consistent-return, dot-notation, quote-props, comma-dangle, object-shorthand, max-len, prefer-arrow-callback */
-/* global MergeRequestTabs */
 
 import 'vendor/jquery.waitforimages';
 import TaskList from './task_list';
@@ -7,142 +6,138 @@ import MergeRequestTabs from './merge_request_tabs';
 import IssuablesHelper from './helpers/issuables_helper';
 import { addDelimiter } from './lib/utils/text_utility';
 
-(function() {
-  this.MergeRequest = (function() {
-    function MergeRequest(opts) {
-      // Initialize MergeRequest behavior
-      //
-      // Options:
-      //   action - String, current controller action
-      //
-      this.opts = opts != null ? opts : {};
-      this.submitNoteForm = this.submitNoteForm.bind(this);
-      this.$el = $('.merge-request');
-      this.$('.show-all-commits').on('click', (function(_this) {
-        return function() {
-          return _this.showAllCommits();
-        };
-      })(this));
-
-      this.initTabs();
-      this.initMRBtnListeners();
-      this.initCommitMessageListeners();
-      this.closeReopenReportToggle = IssuablesHelper.initCloseReopenReport();
-
-      if ($("a.btn-close").length) {
-        this.taskList = new TaskList({
-          dataType: 'merge_request',
-          fieldName: 'description',
-          selector: '.detail-page-description',
-          onSuccess: (result) => {
-            document.querySelector('#task_status').innerText = result.task_status;
-            document.querySelector('#task_status_short').innerText = result.task_status_short;
-          }
-        });
-      }
-    }
-
-    // Local jQuery finder
-    MergeRequest.prototype.$ = function(selector) {
-      return this.$el.find(selector);
+function MergeRequest(opts) {
+  // Initialize MergeRequest behavior
+  //
+  // Options:
+  //   action - String, current controller action
+  //
+  this.opts = opts != null ? opts : {};
+  this.submitNoteForm = this.submitNoteForm.bind(this);
+  this.$el = $('.merge-request');
+  this.$('.show-all-commits').on('click', (function(_this) {
+    return function() {
+      return _this.showAllCommits();
     };
-
-    MergeRequest.prototype.initTabs = function() {
-      if (window.mrTabs) {
-        window.mrTabs.unbindEvents();
+  })(this));
+
+  this.initTabs();
+  this.initMRBtnListeners();
+  this.initCommitMessageListeners();
+  this.closeReopenReportToggle = IssuablesHelper.initCloseReopenReport();
+
+  if ($("a.btn-close").length) {
+    this.taskList = new TaskList({
+      dataType: 'merge_request',
+      fieldName: 'description',
+      selector: '.detail-page-description',
+      onSuccess: (result) => {
+        document.querySelector('#task_status').innerText = result.task_status;
+        document.querySelector('#task_status_short').innerText = result.task_status_short;
       }
-      window.mrTabs = new MergeRequestTabs(this.opts);
-    };
-
-    MergeRequest.prototype.showAllCommits = function() {
-      this.$('.first-commits').remove();
-      return this.$('.all-commits').removeClass('hide');
-    };
-
-    MergeRequest.prototype.initMRBtnListeners = function() {
-      var _this;
-      _this = this;
-      return $('a.btn-close, a.btn-reopen').on('click', function(e) {
-        var $this, shouldSubmit;
-        $this = $(this);
-        shouldSubmit = $this.hasClass('btn-comment');
-        if (shouldSubmit && $this.data('submitted')) {
-          return;
-        }
-
-        if (this.closeReopenReportToggle) this.closeReopenReportToggle.setDisable();
-
-        if (shouldSubmit) {
-          if ($this.hasClass('btn-comment-and-close') || $this.hasClass('btn-comment-and-reopen')) {
-            e.preventDefault();
-            e.stopImmediatePropagation();
-
-            _this.submitNoteForm($this.closest('form'), $this);
-          }
-        }
-      });
-    };
-
-    MergeRequest.prototype.submitNoteForm = function(form, $button) {
-      var noteText;
-      noteText = form.find("textarea.js-note-text").val();
-      if (noteText.trim().length > 0) {
-        form.submit();
-        $button.data('submitted', true);
-        return $button.trigger('click');
-      }
-    };
-
-    MergeRequest.prototype.initCommitMessageListeners = function() {
-      $(document).on('click', 'a.js-with-description-link', function(e) {
-        var textarea = $('textarea.js-commit-message');
-        e.preventDefault();
+    });
+  }
+}
+
+// Local jQuery finder
+MergeRequest.prototype.$ = function(selector) {
+  return this.$el.find(selector);
+};
+
+MergeRequest.prototype.initTabs = function() {
+  if (window.mrTabs) {
+    window.mrTabs.unbindEvents();
+  }
+  window.mrTabs = new MergeRequestTabs(this.opts);
+};
+
+MergeRequest.prototype.showAllCommits = function() {
+  this.$('.first-commits').remove();
+  return this.$('.all-commits').removeClass('hide');
+};
+
+MergeRequest.prototype.initMRBtnListeners = function() {
+  var _this;
+  _this = this;
+  return $('a.btn-close, a.btn-reopen').on('click', function(e) {
+    var $this, shouldSubmit;
+    $this = $(this);
+    shouldSubmit = $this.hasClass('btn-comment');
+    if (shouldSubmit && $this.data('submitted')) {
+      return;
+    }
 
-        textarea.val(textarea.data('messageWithDescription'));
-        $('.js-with-description-hint').hide();
-        $('.js-without-description-hint').show();
-      });
+    if (this.closeReopenReportToggle) this.closeReopenReportToggle.setDisable();
 
-      $(document).on('click', 'a.js-without-description-link', function(e) {
-        var textarea = $('textarea.js-commit-message');
+    if (shouldSubmit) {
+      if ($this.hasClass('btn-comment-and-close') || $this.hasClass('btn-comment-and-reopen')) {
         e.preventDefault();
+        e.stopImmediatePropagation();
 
-        textarea.val(textarea.data('messageWithoutDescription'));
-        $('.js-with-description-hint').show();
-        $('.js-without-description-hint').hide();
-      });
-    };
-
-    MergeRequest.prototype.updateStatusText = function(classToRemove, classToAdd, newStatusText) {
-      $('.detail-page-header .status-box')
-        .removeClass(classToRemove)
-        .addClass(classToAdd)
-        .find('span')
-        .text(newStatusText);
-    };
-
-    MergeRequest.prototype.decreaseCounter = function(by = 1) {
-      const $el = $('.nav-links .js-merge-counter');
-      const count = Math.max((parseInt($el.text().replace(/[^\d]/, ''), 10) - by), 0);
-
-      $el.text(addDelimiter(count));
-    };
-
-    MergeRequest.prototype.hideCloseButton = function() {
-      const el = document.querySelector('.merge-request .js-issuable-actions');
-      const closeDropdownItem = el.querySelector('li.close-item');
-      if (closeDropdownItem) {
-        closeDropdownItem.classList.add('hidden');
-        // Selects the next dropdown item
-        el.querySelector('li.report-item').click();
-      } else {
-        // No dropdown just hide the Close button
-        el.querySelector('.btn-close').classList.add('hidden');
+        _this.submitNoteForm($this.closest('form'), $this);
       }
-      // Dropdown for mobile screen
-      el.querySelector('li.js-close-item').classList.add('hidden');
-    };
-
-    return MergeRequest;
-  })();
-}).call(window);
+    }
+  });
+};
+
+MergeRequest.prototype.submitNoteForm = function(form, $button) {
+  var noteText;
+  noteText = form.find("textarea.js-note-text").val();
+  if (noteText.trim().length > 0) {
+    form.submit();
+    $button.data('submitted', true);
+    return $button.trigger('click');
+  }
+};
+
+MergeRequest.prototype.initCommitMessageListeners = function() {
+  $(document).on('click', 'a.js-with-description-link', function(e) {
+    var textarea = $('textarea.js-commit-message');
+    e.preventDefault();
+
+    textarea.val(textarea.data('messageWithDescription'));
+    $('.js-with-description-hint').hide();
+    $('.js-without-description-hint').show();
+  });
+
+  $(document).on('click', 'a.js-without-description-link', function(e) {
+    var textarea = $('textarea.js-commit-message');
+    e.preventDefault();
+
+    textarea.val(textarea.data('messageWithoutDescription'));
+    $('.js-with-description-hint').show();
+    $('.js-without-description-hint').hide();
+  });
+};
+
+MergeRequest.prototype.updateStatusText = function(classToRemove, classToAdd, newStatusText) {
+  $('.detail-page-header .status-box')
+    .removeClass(classToRemove)
+    .addClass(classToAdd)
+    .find('span')
+    .text(newStatusText);
+};
+
+MergeRequest.prototype.decreaseCounter = function(by = 1) {
+  const $el = $('.nav-links .js-merge-counter');
+  const count = Math.max((parseInt($el.text().replace(/[^\d]/, ''), 10) - by), 0);
+
+  $el.text(addDelimiter(count));
+};
+
+MergeRequest.prototype.hideCloseButton = function() {
+  const el = document.querySelector('.merge-request .js-issuable-actions');
+  const closeDropdownItem = el.querySelector('li.close-item');
+  if (closeDropdownItem) {
+    closeDropdownItem.classList.add('hidden');
+    // Selects the next dropdown item
+    el.querySelector('li.report-item').click();
+  } else {
+    // No dropdown just hide the Close button
+    el.querySelector('.btn-close').classList.add('hidden');
+  }
+  // Dropdown for mobile screen
+  el.querySelector('li.js-close-item').classList.add('hidden');
+};
+
+export default MergeRequest;
diff --git a/app/assets/javascripts/merge_request_tabs.js b/app/assets/javascripts/merge_request_tabs.js
index cacca35ca98..acfc62fe5cb 100644
--- a/app/assets/javascripts/merge_request_tabs.js
+++ b/app/assets/javascripts/merge_request_tabs.js
@@ -1,5 +1,4 @@
 /* eslint-disable no-new, class-methods-use-this */
-/* global notes */
 
 import Cookies from 'js-cookie';
 import Flash from './flash';
@@ -16,6 +15,7 @@ import initDiscussionTab from './image_diff/init_discussion_tab';
 import Diff from './diff';
 import { localTimeAgo } from './lib/utils/datetime_utility';
 import syntaxHighlight from './syntax_highlight';
+import Notes from './notes';
 
 /* eslint-disable max-len */
 // MergeRequestTabs
@@ -324,7 +324,7 @@ export default class MergeRequestTabs {
         if (anchor && anchor.length > 0) {
           const notesContent = anchor.closest('.notes_content');
           const lineType = notesContent.hasClass('new') ? 'new' : 'old';
-          notes.toggleDiffNote({
+          Notes.instance.toggleDiffNote({
             target: anchor,
             lineType,
             forceShow: true,
diff --git a/app/assets/javascripts/monitoring/components/graph.vue b/app/assets/javascripts/monitoring/components/graph.vue
index cdae287658b..eede04a06cd 100644
--- a/app/assets/javascripts/monitoring/components/graph.vue
+++ b/app/assets/javascripts/monitoring/components/graph.vue
@@ -1,5 +1,8 @@
 <script>
-  import d3 from 'd3';
+  import { scaleLinear, scaleTime } from 'd3-scale';
+  import { axisLeft, axisBottom } from 'd3-axis';
+  import { max, extent } from 'd3-array';
+  import { select } from 'd3-selection';
   import GraphLegend from './graph/legend.vue';
   import GraphFlag from './graph/flag.vue';
   import GraphDeployment from './graph/deployment.vue';
@@ -7,10 +10,12 @@
   import MonitoringMixin from '../mixins/monitoring_mixins';
   import eventHub from '../event_hub';
   import measurements from '../utils/measurements';
-  import { timeScaleFormat, bisectDate } from '../utils/date_time_formatters';
+  import { bisectDate, timeScaleFormat } from '../utils/date_time_formatters';
   import createTimeSeries from '../utils/multiple_time_series';
   import bp from '../../breakpoints';
 
+  const d3 = { scaleLinear, scaleTime, axisLeft, axisBottom, max, extent, select };
+
   export default {
     props: {
       graphData: {
@@ -156,25 +161,22 @@
           this.baseGraphHeight = this.baseGraphHeight += (this.timeSeries.length - 3) * 20;
         }
 
-        const axisXScale = d3.time.scale()
+        const axisXScale = d3.scaleTime()
           .range([0, this.graphWidth - 70]);
-        const axisYScale = d3.scale.linear()
+        const axisYScale = d3.scaleLinear()
           .range([this.graphHeight - this.graphHeightOffset, 0]);
 
         const allValues = this.timeSeries.reduce((all, { values }) => all.concat(values), []);
         axisXScale.domain(d3.extent(allValues, d => d.time));
         axisYScale.domain([0, d3.max(allValues.map(d => d.value))]);
 
-        const xAxis = d3.svg.axis()
+        const xAxis = d3.axisBottom()
           .scale(axisXScale)
-          .ticks(d3.time.minute, 60)
-          .tickFormat(timeScaleFormat)
-          .orient('bottom');
+          .tickFormat(timeScaleFormat);
 
-        const yAxis = d3.svg.axis()
+        const yAxis = d3.axisLeft()
           .scale(axisYScale)
-          .ticks(measurements.yTicks)
-          .orient('left');
+          .ticks(measurements.yTicks);
 
         d3.select(this.$refs.baseSvg).select('.x-axis').call(xAxis);
 
diff --git a/app/assets/javascripts/monitoring/utils/date_time_formatters.js b/app/assets/javascripts/monitoring/utils/date_time_formatters.js
index ad07a8465e2..48bdec1e030 100644
--- a/app/assets/javascripts/monitoring/utils/date_time_formatters.js
+++ b/app/assets/javascripts/monitoring/utils/date_time_formatters.js
@@ -1,17 +1,32 @@
-import d3 from 'd3';
+import { timeFormat as time } from 'd3-time-format';
+import { timeSecond, timeMinute, timeHour, timeDay, timeMonth, timeYear } from 'd3-time';
+import { bisector } from 'd3-array';
 
-export const dateFormat = d3.time.format('%b %-d, %Y');
-export const dateFormatWithName = d3.time.format('%a, %b %-d');
-export const timeFormat = d3.time.format('%-I:%M%p');
+const d3 = { time, bisector, timeSecond, timeMinute, timeHour, timeDay, timeMonth, timeYear };
+
+export const dateFormat = d3.time('%b %-d, %Y');
+export const timeFormat = d3.time('%-I:%M%p');
+export const dateFormatWithName = d3.time('%a, %b %-d');
 export const bisectDate = d3.bisector(d => d.time).left;
 
-export const timeScaleFormat = d3.time.format.multi([
-  ['.%L', d => d.getMilliseconds()],
-  [':%S', d => d.getSeconds()],
-  ['%-I:%M', d => d.getMinutes()],
-  ['%-I %p', d => d.getHours()],
-  ['%a %-d', d => d.getDay() && d.getDate() !== 1],
-  ['%b %-d', d => d.getDate() !== 1],
-  ['%B', d => d.getMonth()],
-  ['%Y', () => true],
-]);
+export function timeScaleFormat(date) {
+  let formatFunction;
+  if (d3.timeSecond(date) < date) {
+    formatFunction = d3.time('.%L');
+  } else if (d3.timeMinute(date) < date) {
+    formatFunction = d3.time(':%S');
+  } else if (d3.timeHour(date) < date) {
+    formatFunction = d3.time('%-I:%M');
+  } else if (d3.timeDay(date) < date) {
+    formatFunction = d3.time('%-I %p');
+  } else if (d3.timeWeek(date) < date) {
+    formatFunction = d3.time('%a %d');
+  } else if (d3.timeMonth(date) < date) {
+    formatFunction = d3.time('%b %d');
+  } else if (d3.timeYear(date) < date) {
+    formatFunction = d3.time('%B');
+  } else {
+    formatFunction = d3.time('%Y');
+  }
+  return formatFunction(date);
+}
diff --git a/app/assets/javascripts/monitoring/utils/multiple_time_series.js b/app/assets/javascripts/monitoring/utils/multiple_time_series.js
index d21a265bd43..4ce3dad440c 100644
--- a/app/assets/javascripts/monitoring/utils/multiple_time_series.js
+++ b/app/assets/javascripts/monitoring/utils/multiple_time_series.js
@@ -1,5 +1,10 @@
-import d3 from 'd3';
 import _ from 'underscore';
+import { scaleLinear, scaleTime } from 'd3-scale';
+import { line, area, curveLinear } from 'd3-shape';
+import { extent, max } from 'd3-array';
+import { timeMinute } from 'd3-time';
+
+const d3 = { scaleLinear, scaleTime, line, area, curveLinear, extent, max, timeMinute };
 
 const defaultColorPalette = {
   blue: ['#1f78d1', '#8fbce8'],
@@ -38,27 +43,27 @@ function queryTimeSeries(query, graphWidth, graphHeight, graphHeightOffset, xDom
     let lineColor = '';
     let areaColor = '';
 
-    const timeSeriesScaleX = d3.time.scale()
+    const timeSeriesScaleX = d3.scaleTime()
       .range([0, graphWidth - 70]);
 
-    const timeSeriesScaleY = d3.scale.linear()
+    const timeSeriesScaleY = d3.scaleLinear()
       .range([graphHeight - graphHeightOffset, 0]);
 
     timeSeriesScaleX.domain(xDom);
-    timeSeriesScaleX.ticks(d3.time.minute, 60);
+    timeSeriesScaleX.ticks(d3.timeMinute, 60);
     timeSeriesScaleY.domain(yDom);
 
     const defined = d => !isNaN(d.value) && d.value != null;
 
-    const lineFunction = d3.svg.line()
+    const lineFunction = d3.line()
       .defined(defined)
-      .interpolate('linear')
+      .curve(d3.curveLinear) // d3 v4 uses curbe instead of interpolate
       .x(d => timeSeriesScaleX(d.time))
       .y(d => timeSeriesScaleY(d.value));
 
-    const areaFunction = d3.svg.area()
+    const areaFunction = d3.area()
       .defined(defined)
-      .interpolate('linear')
+      .curve(d3.curveLinear)
       .x(d => timeSeriesScaleX(d.time))
       .y0(graphHeight - graphHeightOffset)
       .y1(d => timeSeriesScaleY(d.value));
diff --git a/app/assets/javascripts/notes.js b/app/assets/javascripts/notes.js
index 042fe44e1c6..a2b8e6f6495 100644
--- a/app/assets/javascripts/notes.js
+++ b/app/assets/javascripts/notes.js
@@ -37,6 +37,12 @@ const MAX_VISIBLE_COMMIT_LIST_COUNT = 3;
 const REGEX_QUICK_ACTIONS = /^\/\w+.*$/gm;
 
 export default class Notes {
+  static initialize(notes_url, note_ids, last_fetched_at, view, enableGFM = true) {
+    if (!this.instance) {
+      this.instance = new Notes(notes_url, note_ids, last_fetched_at, view, enableGFM);
+    }
+  }
+
   constructor(notes_url, note_ids, last_fetched_at, view, enableGFM = true) {
     this.updateTargetButtons = this.updateTargetButtons.bind(this);
     this.updateComment = this.updateComment.bind(this);
diff --git a/app/assets/javascripts/repo/components/repo_preview.vue b/app/assets/javascripts/repo/components/repo_preview.vue
index 425c55fafb5..3d1e0297bd5 100644
--- a/app/assets/javascripts/repo/components/repo_preview.vue
+++ b/app/assets/javascripts/repo/components/repo_preview.vue
@@ -1,6 +1,6 @@
 <script>
-/* global LineHighlighter */
 import { mapGetters } from 'vuex';
+import LineHighlighter from '../../line_highlighter';
 import syntaxHighlight from '../../syntax_highlight';
 
 export default {
diff --git a/app/assets/javascripts/right_sidebar.js b/app/assets/javascripts/right_sidebar.js
index ec85b8b6529..b830fcf7e80 100644
--- a/app/assets/javascripts/right_sidebar.js
+++ b/app/assets/javascripts/right_sidebar.js
@@ -3,226 +3,228 @@
 import _ from 'underscore';
 import Cookies from 'js-cookie';
 
-(function() {
-  this.Sidebar = (function() {
-    function Sidebar(currentUser) {
-      this.toggleTodo = this.toggleTodo.bind(this);
-      this.sidebar = $('aside');
-
-      this.removeListeners();
-      this.addEventListeners();
+function Sidebar(currentUser) {
+  this.toggleTodo = this.toggleTodo.bind(this);
+  this.sidebar = $('aside');
+
+  this.removeListeners();
+  this.addEventListeners();
+}
+
+Sidebar.initialize = function(currentUser) {
+  if (!this.instance) {
+    this.instance = new Sidebar(currentUser);
+  }
+};
+
+Sidebar.prototype.removeListeners = function () {
+  this.sidebar.off('click', '.sidebar-collapsed-icon');
+  this.sidebar.off('hidden.gl.dropdown');
+  $('.dropdown').off('loading.gl.dropdown');
+  $('.dropdown').off('loaded.gl.dropdown');
+  $(document).off('click', '.js-sidebar-toggle');
+};
+
+Sidebar.prototype.addEventListeners = function() {
+  const $document = $(document);
+
+  this.sidebar.on('click', '.sidebar-collapsed-icon', this, this.sidebarCollapseClicked);
+  this.sidebar.on('hidden.gl.dropdown', this, this.onSidebarDropdownHidden);
+  $('.dropdown').on('loading.gl.dropdown', this.sidebarDropdownLoading);
+  $('.dropdown').on('loaded.gl.dropdown', this.sidebarDropdownLoaded);
+
+  $document.on('click', '.js-sidebar-toggle', this.sidebarToggleClicked);
+  return $(document).off('click', '.js-issuable-todo').on('click', '.js-issuable-todo', this.toggleTodo);
+};
+
+Sidebar.prototype.sidebarToggleClicked = function (e, triggered) {
+  var $allGutterToggleIcons, $this, $thisIcon;
+  e.preventDefault();
+  $this = $(this);
+  $thisIcon = $this.find('i');
+  $allGutterToggleIcons = $('.js-sidebar-toggle i');
+  if ($thisIcon.hasClass('fa-angle-double-right')) {
+    $allGutterToggleIcons.removeClass('fa-angle-double-right').addClass('fa-angle-double-left');
+    $('aside.right-sidebar').removeClass('right-sidebar-expanded').addClass('right-sidebar-collapsed');
+    $('.layout-page').removeClass('right-sidebar-expanded').addClass('right-sidebar-collapsed');
+  } else {
+    $allGutterToggleIcons.removeClass('fa-angle-double-left').addClass('fa-angle-double-right');
+    $('aside.right-sidebar').removeClass('right-sidebar-collapsed').addClass('right-sidebar-expanded');
+    $('.layout-page').removeClass('right-sidebar-collapsed').addClass('right-sidebar-expanded');
+
+    if (gl.lazyLoader) gl.lazyLoader.loadCheck();
+  }
+  if (!triggered) {
+    Cookies.set("collapsed_gutter", $('.right-sidebar').hasClass('right-sidebar-collapsed'));
+  }
+};
+
+Sidebar.prototype.toggleTodo = function(e) {
+  var $btnText, $this, $todoLoading, ajaxType, url;
+  $this = $(e.currentTarget);
+  ajaxType = $this.attr('data-delete-path') ? 'DELETE' : 'POST';
+  if ($this.attr('data-delete-path')) {
+    url = "" + ($this.attr('data-delete-path'));
+  } else {
+    url = "" + ($this.data('url'));
+  }
+
+  $this.tooltip('hide');
+
+  return $.ajax({
+    url: url,
+    type: ajaxType,
+    dataType: 'json',
+    data: {
+      issuable_id: $this.data('issuable-id'),
+      issuable_type: $this.data('issuable-type')
+    },
+    beforeSend: (function(_this) {
+      return function() {
+        $('.js-issuable-todo').disable()
+          .addClass('is-loading');
+      };
+    })(this)
+  }).done((function(_this) {
+    return function(data) {
+      return _this.todoUpdateDone(data);
+    };
+  })(this));
+};
+
+Sidebar.prototype.todoUpdateDone = function(data) {
+  const deletePath = data.delete_path ? data.delete_path : null;
+  const attrPrefix = deletePath ? 'mark' : 'todo';
+  const $todoBtns = $('.js-issuable-todo');
+
+  $(document).trigger('todo:toggle', data.count);
+
+  $todoBtns.each((i, el) => {
+    const $el = $(el);
+    const $elText = $el.find('.js-issuable-todo-inner');
+
+    $el.removeClass('is-loading')
+      .enable()
+      .attr('aria-label', $el.data(`${attrPrefix}-text`))
+      .attr('data-delete-path', deletePath)
+      .attr('title', $el.data(`${attrPrefix}-text`));
+
+    if ($el.hasClass('has-tooltip')) {
+      $el.tooltip('fixTitle');
     }
 
-    Sidebar.prototype.removeListeners = function () {
-      this.sidebar.off('click', '.sidebar-collapsed-icon');
-      this.sidebar.off('hidden.gl.dropdown');
-      $('.dropdown').off('loading.gl.dropdown');
-      $('.dropdown').off('loaded.gl.dropdown');
-      $(document).off('click', '.js-sidebar-toggle');
-    };
-
-    Sidebar.prototype.addEventListeners = function() {
-      const $document = $(document);
-
-      this.sidebar.on('click', '.sidebar-collapsed-icon', this, this.sidebarCollapseClicked);
-      this.sidebar.on('hidden.gl.dropdown', this, this.onSidebarDropdownHidden);
-      $('.dropdown').on('loading.gl.dropdown', this.sidebarDropdownLoading);
-      $('.dropdown').on('loaded.gl.dropdown', this.sidebarDropdownLoaded);
-
-      $document.on('click', '.js-sidebar-toggle', this.sidebarToggleClicked);
-      return $(document).off('click', '.js-issuable-todo').on('click', '.js-issuable-todo', this.toggleTodo);
-    };
-
-    Sidebar.prototype.sidebarToggleClicked = function (e, triggered) {
-      var $allGutterToggleIcons, $this, $thisIcon;
-      e.preventDefault();
-      $this = $(this);
-      $thisIcon = $this.find('i');
-      $allGutterToggleIcons = $('.js-sidebar-toggle i');
-      if ($thisIcon.hasClass('fa-angle-double-right')) {
-        $allGutterToggleIcons.removeClass('fa-angle-double-right').addClass('fa-angle-double-left');
-        $('aside.right-sidebar').removeClass('right-sidebar-expanded').addClass('right-sidebar-collapsed');
-        $('.layout-page').removeClass('right-sidebar-expanded').addClass('right-sidebar-collapsed');
-      } else {
-        $allGutterToggleIcons.removeClass('fa-angle-double-left').addClass('fa-angle-double-right');
-        $('aside.right-sidebar').removeClass('right-sidebar-collapsed').addClass('right-sidebar-expanded');
-        $('.layout-page').removeClass('right-sidebar-collapsed').addClass('right-sidebar-expanded');
-
-        if (gl.lazyLoader) gl.lazyLoader.loadCheck();
-      }
-      if (!triggered) {
-        Cookies.set("collapsed_gutter", $('.right-sidebar').hasClass('right-sidebar-collapsed'));
-      }
-    };
-
-    Sidebar.prototype.toggleTodo = function(e) {
-      var $btnText, $this, $todoLoading, ajaxType, url;
-      $this = $(e.currentTarget);
-      ajaxType = $this.attr('data-delete-path') ? 'DELETE' : 'POST';
-      if ($this.attr('data-delete-path')) {
-        url = "" + ($this.attr('data-delete-path'));
-      } else {
-        url = "" + ($this.data('url'));
-      }
-
-      $this.tooltip('hide');
-
-      return $.ajax({
-        url: url,
-        type: ajaxType,
-        dataType: 'json',
-        data: {
-          issuable_id: $this.data('issuable-id'),
-          issuable_type: $this.data('issuable-type')
-        },
-        beforeSend: (function(_this) {
-          return function() {
-            $('.js-issuable-todo').disable()
-              .addClass('is-loading');
-          };
-        })(this)
-      }).done((function(_this) {
-        return function(data) {
-          return _this.todoUpdateDone(data);
-        };
-      })(this));
-    };
-
-    Sidebar.prototype.todoUpdateDone = function(data) {
-      const deletePath = data.delete_path ? data.delete_path : null;
-      const attrPrefix = deletePath ? 'mark' : 'todo';
-      const $todoBtns = $('.js-issuable-todo');
-
-      $(document).trigger('todo:toggle', data.count);
-
-      $todoBtns.each((i, el) => {
-        const $el = $(el);
-        const $elText = $el.find('.js-issuable-todo-inner');
-
-        $el.removeClass('is-loading')
-          .enable()
-          .attr('aria-label', $el.data(`${attrPrefix}-text`))
-          .attr('data-delete-path', deletePath)
-          .attr('title', $el.data(`${attrPrefix}-text`));
-
-        if ($el.hasClass('has-tooltip')) {
-          $el.tooltip('fixTitle');
-        }
-
-        if ($el.data(`${attrPrefix}-icon`)) {
-          $elText.html($el.data(`${attrPrefix}-icon`));
-        } else {
-          $elText.text($el.data(`${attrPrefix}-text`));
-        }
-      });
-    };
-
-    Sidebar.prototype.sidebarDropdownLoading = function(e) {
-      var $loading, $sidebarCollapsedIcon, i, img;
-      $sidebarCollapsedIcon = $(this).closest('.block').find('.sidebar-collapsed-icon');
-      img = $sidebarCollapsedIcon.find('img');
-      i = $sidebarCollapsedIcon.find('i');
-      $loading = $('<i class="fa fa-spinner fa-spin"></i>');
-      if (img.length) {
-        img.before($loading);
-        return img.hide();
-      } else if (i.length) {
-        i.before($loading);
-        return i.hide();
-      }
-    };
-
-    Sidebar.prototype.sidebarDropdownLoaded = function(e) {
-      var $sidebarCollapsedIcon, i, img;
-      $sidebarCollapsedIcon = $(this).closest('.block').find('.sidebar-collapsed-icon');
-      img = $sidebarCollapsedIcon.find('img');
-      $sidebarCollapsedIcon.find('i.fa-spin').remove();
-      i = $sidebarCollapsedIcon.find('i');
-      if (img.length) {
-        return img.show();
-      } else {
-        return i.show();
-      }
-    };
-
-    Sidebar.prototype.sidebarCollapseClicked = function(e) {
-      var $block, sidebar;
-      if ($(e.currentTarget).hasClass('dont-change-state')) {
-        return;
-      }
-      sidebar = e.data;
-      e.preventDefault();
-      $block = $(this).closest('.block');
-      return sidebar.openDropdown($block);
-    };
-
-    Sidebar.prototype.openDropdown = function(blockOrName) {
-      var $block;
-      $block = _.isString(blockOrName) ? this.getBlock(blockOrName) : blockOrName;
-      if (!this.isOpen()) {
-        this.setCollapseAfterUpdate($block);
-        this.toggleSidebar('open');
-      }
-
-      // Wait for the sidebar to trigger('click') open
-      // so it doesn't cause our dropdown to close preemptively
-      setTimeout(() => {
-        $block.find('.js-sidebar-dropdown-toggle').trigger('click');
-      });
-    };
-
-    Sidebar.prototype.setCollapseAfterUpdate = function($block) {
-      $block.addClass('collapse-after-update');
-      return $('.layout-page').addClass('with-overlay');
-    };
-
-    Sidebar.prototype.onSidebarDropdownHidden = function(e) {
-      var $block, sidebar;
-      sidebar = e.data;
-      e.preventDefault();
-      $block = $(e.target).closest('.block');
-      return sidebar.sidebarDropdownHidden($block);
-    };
-
-    Sidebar.prototype.sidebarDropdownHidden = function($block) {
-      if ($block.hasClass('collapse-after-update')) {
-        $block.removeClass('collapse-after-update');
-        $('.layout-page').removeClass('with-overlay');
-        return this.toggleSidebar('hide');
-      }
-    };
-
-    Sidebar.prototype.triggerOpenSidebar = function() {
-      return this.sidebar.find('.js-sidebar-toggle').trigger('click');
-    };
-
-    Sidebar.prototype.toggleSidebar = function(action) {
-      if (action == null) {
-        action = 'toggle';
-      }
-      if (action === 'toggle') {
-        this.triggerOpenSidebar();
-      }
-      if (action === 'open') {
-        if (!this.isOpen()) {
-          this.triggerOpenSidebar();
-        }
-      }
-      if (action === 'hide') {
-        if (this.isOpen()) {
-          return this.triggerOpenSidebar();
-        }
-      }
-    };
+    if ($el.data(`${attrPrefix}-icon`)) {
+      $elText.html($el.data(`${attrPrefix}-icon`));
+    } else {
+      $elText.text($el.data(`${attrPrefix}-text`));
+    }
+  });
+};
+
+Sidebar.prototype.sidebarDropdownLoading = function(e) {
+  var $loading, $sidebarCollapsedIcon, i, img;
+  $sidebarCollapsedIcon = $(this).closest('.block').find('.sidebar-collapsed-icon');
+  img = $sidebarCollapsedIcon.find('img');
+  i = $sidebarCollapsedIcon.find('i');
+  $loading = $('<i class="fa fa-spinner fa-spin"></i>');
+  if (img.length) {
+    img.before($loading);
+    return img.hide();
+  } else if (i.length) {
+    i.before($loading);
+    return i.hide();
+  }
+};
+
+Sidebar.prototype.sidebarDropdownLoaded = function(e) {
+  var $sidebarCollapsedIcon, i, img;
+  $sidebarCollapsedIcon = $(this).closest('.block').find('.sidebar-collapsed-icon');
+  img = $sidebarCollapsedIcon.find('img');
+  $sidebarCollapsedIcon.find('i.fa-spin').remove();
+  i = $sidebarCollapsedIcon.find('i');
+  if (img.length) {
+    return img.show();
+  } else {
+    return i.show();
+  }
+};
+
+Sidebar.prototype.sidebarCollapseClicked = function(e) {
+  var $block, sidebar;
+  if ($(e.currentTarget).hasClass('dont-change-state')) {
+    return;
+  }
+  sidebar = e.data;
+  e.preventDefault();
+  $block = $(this).closest('.block');
+  return sidebar.openDropdown($block);
+};
+
+Sidebar.prototype.openDropdown = function(blockOrName) {
+  var $block;
+  $block = _.isString(blockOrName) ? this.getBlock(blockOrName) : blockOrName;
+  if (!this.isOpen()) {
+    this.setCollapseAfterUpdate($block);
+    this.toggleSidebar('open');
+  }
+
+  // Wait for the sidebar to trigger('click') open
+  // so it doesn't cause our dropdown to close preemptively
+  setTimeout(() => {
+    $block.find('.js-sidebar-dropdown-toggle').trigger('click');
+  });
+};
+
+Sidebar.prototype.setCollapseAfterUpdate = function($block) {
+  $block.addClass('collapse-after-update');
+  return $('.layout-page').addClass('with-overlay');
+};
+
+Sidebar.prototype.onSidebarDropdownHidden = function(e) {
+  var $block, sidebar;
+  sidebar = e.data;
+  e.preventDefault();
+  $block = $(e.target).closest('.block');
+  return sidebar.sidebarDropdownHidden($block);
+};
+
+Sidebar.prototype.sidebarDropdownHidden = function($block) {
+  if ($block.hasClass('collapse-after-update')) {
+    $block.removeClass('collapse-after-update');
+    $('.layout-page').removeClass('with-overlay');
+    return this.toggleSidebar('hide');
+  }
+};
+
+Sidebar.prototype.triggerOpenSidebar = function() {
+  return this.sidebar.find('.js-sidebar-toggle').trigger('click');
+};
+
+Sidebar.prototype.toggleSidebar = function(action) {
+  if (action == null) {
+    action = 'toggle';
+  }
+  if (action === 'toggle') {
+    this.triggerOpenSidebar();
+  }
+  if (action === 'open') {
+    if (!this.isOpen()) {
+      this.triggerOpenSidebar();
+    }
+  }
+  if (action === 'hide') {
+    if (this.isOpen()) {
+      return this.triggerOpenSidebar();
+    }
+  }
+};
 
-    Sidebar.prototype.isOpen = function() {
-      return this.sidebar.is('.right-sidebar-expanded');
-    };
+Sidebar.prototype.isOpen = function() {
+  return this.sidebar.is('.right-sidebar-expanded');
+};
 
-    Sidebar.prototype.getBlock = function(name) {
-      return this.sidebar.find(".block." + name);
-    };
+Sidebar.prototype.getBlock = function(name) {
+  return this.sidebar.find(".block." + name);
+};
 
-    return Sidebar;
-  })();
-}).call(window);
+export default Sidebar;
diff --git a/app/assets/javascripts/shortcuts.js b/app/assets/javascripts/shortcuts.js
index 130730b1700..d2f0d7410da 100644
--- a/app/assets/javascripts/shortcuts.js
+++ b/app/assets/javascripts/shortcuts.js
@@ -51,7 +51,10 @@ export default class Shortcuts {
   }
 
   onToggleHelp(e) {
-    e.preventDefault();
+    if (e.preventDefault) {
+      e.preventDefault();
+    }
+
     Shortcuts.toggleHelp(this.enabledHelp);
   }
 
@@ -112,6 +115,9 @@ export default class Shortcuts {
 
   static focusSearch(e) {
     $('#search').focus();
-    e.preventDefault();
+
+    if (e.preventDefault) {
+      e.preventDefault();
+    }
   }
 }
diff --git a/app/assets/javascripts/shortcuts_issuable.js b/app/assets/javascripts/shortcuts_issuable.js
index 305f97b010e..292e3d6a657 100644
--- a/app/assets/javascripts/shortcuts_issuable.js
+++ b/app/assets/javascripts/shortcuts_issuable.js
@@ -1,8 +1,8 @@
 /* global Mousetrap */
-/* global sidebar */
 
 import _ from 'underscore';
 import 'mousetrap';
+import Sidebar from './right_sidebar';
 import ShortcutsNavigation from './shortcuts_navigation';
 import { CopyAsGFM } from './behaviors/copy_as_gfm';
 
@@ -69,7 +69,7 @@ export default class ShortcutsIssuable extends ShortcutsNavigation {
   }
 
   static openSidebarDropdown(name) {
-    sidebar.openDropdown(name);
+    Sidebar.instance.openDropdown(name);
     return false;
   }
 }
diff --git a/app/assets/javascripts/users/activity_calendar.js b/app/assets/javascripts/users/activity_calendar.js
index 4fa8c680580..0581239d5a5 100644
--- a/app/assets/javascripts/users/activity_calendar.js
+++ b/app/assets/javascripts/users/activity_calendar.js
@@ -1,7 +1,10 @@
 import _ from 'underscore';
-import d3 from 'd3';
+import { scaleLinear, scaleThreshold } from 'd3-scale';
+import { select } from 'd3-selection';
 import { getDayName, getDayDifference } from '../lib/utils/datetime_utility';
 
+const d3 = { select, scaleLinear, scaleThreshold };
+
 const LOADING_HTML = `
   <div class="text-center">
     <i class="fa fa-spinner fa-spin user-calendar-activities-loading"></i>
@@ -28,7 +31,7 @@ function formatTooltipText({ date, count }) {
   return `${contribText}<br />${dateDayName} ${dateText}`;
 }
 
-const initColorKey = () => d3.scale.linear().range(['#acd5f2', '#254e77']).domain([0, 3]);
+const initColorKey = () => d3.scaleLinear().range(['#acd5f2', '#254e77']).domain([0, 3]);
 
 export default class ActivityCalendar {
   constructor(container, timestamps, calendarActivitiesPath, utcOffset = 0) {
@@ -205,7 +208,7 @@ export default class ActivityCalendar {
 
   initColor() {
     const colorRange = ['#ededed', this.colorKey(0), this.colorKey(1), this.colorKey(2), this.colorKey(3)];
-    return d3.scale.threshold().domain([0, 10, 20, 30]).range(colorRange);
+    return d3.scaleThreshold().domain([0, 10, 20, 30]).range(colorRange);
   }
 
   clickDay(stamp) {
diff --git a/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.js b/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.js
index 9cb3edead86..8a9129c385b 100644
--- a/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.js
+++ b/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.js
@@ -62,7 +62,7 @@ export default {
       return this.mr.hasCI;
     },
     shouldRenderRelatedLinks() {
-      return !!this.mr.relatedLinks;
+      return !!this.mr.relatedLinks && !this.mr.isNothingToMergeState;
     },
     shouldRenderDeployments() {
       return this.mr.deployments.length;
diff --git a/app/assets/javascripts/vue_merge_request_widget/services/mr_widget_service.js b/app/assets/javascripts/vue_merge_request_widget/services/mr_widget_service.js
index 99f5c305df5..5fa838baba3 100644
--- a/app/assets/javascripts/vue_merge_request_widget/services/mr_widget_service.js
+++ b/app/assets/javascripts/vue_merge_request_widget/services/mr_widget_service.js
@@ -6,7 +6,7 @@ Vue.use(VueResource);
 export default class MRWidgetService {
   constructor(endpoints) {
     this.mergeResource = Vue.resource(endpoints.mergePath);
-    this.mergeCheckResource = Vue.resource(endpoints.statusPath);
+    this.mergeCheckResource = Vue.resource(`${endpoints.statusPath}?serializer=widget`);
     this.cancelAutoMergeResource = Vue.resource(endpoints.cancelAutoMergePath);
     this.removeWIPResource = Vue.resource(endpoints.removeWIPPath);
     this.removeSourceBranchResource = Vue.resource(endpoints.sourceBranchPath);
diff --git a/app/assets/javascripts/vue_merge_request_widget/stores/get_state_key.js b/app/assets/javascripts/vue_merge_request_widget/stores/get_state_key.js
index 7c15abfff10..2bace3311c8 100644
--- a/app/assets/javascripts/vue_merge_request_widget/stores/get_state_key.js
+++ b/app/assets/javascripts/vue_merge_request_widget/stores/get_state_key.js
@@ -1,30 +1,32 @@
+import { stateKey } from './state_maps';
+
 export default function deviseState(data) {
   if (data.project_archived) {
-    return 'archived';
+    return stateKey.archived;
   } else if (data.branch_missing) {
-    return 'missingBranch';
+    return stateKey.missingBranch;
   } else if (!data.commits_count) {
-    return 'nothingToMerge';
+    return stateKey.nothingToMerge;
   } else if (this.mergeStatus === 'unchecked') {
-    return 'checking';
+    return stateKey.checking;
   } else if (data.has_conflicts) {
-    return 'conflicts';
+    return stateKey.conflicts;
   } else if (data.work_in_progress) {
-    return 'workInProgress';
+    return stateKey.workInProgress;
   } else if (this.onlyAllowMergeIfPipelineSucceeds && this.isPipelineFailed) {
-    return 'pipelineFailed';
+    return stateKey.pipelineFailed;
   } else if (this.hasMergeableDiscussionsState) {
-    return 'unresolvedDiscussions';
+    return stateKey.unresolvedDiscussions;
   } else if (this.isPipelineBlocked) {
-    return 'pipelineBlocked';
+    return stateKey.pipelineBlocked;
   } else if (this.hasSHAChanged) {
-    return 'shaMismatch';
+    return stateKey.shaMismatch;
   } else if (this.mergeWhenPipelineSucceeds) {
-    return this.mergeError ? 'autoMergeFailed' : 'mergeWhenPipelineSucceeds';
+    return this.mergeError ? stateKey.autoMergeFailed : stateKey.mergeWhenPipelineSucceeds;
   } else if (!this.canMerge) {
-    return 'notAllowedToMerge';
+    return stateKey.notAllowedToMerge;
   } else if (this.canBeMerged) {
-    return 'readyToMerge';
+    return stateKey.readyToMerge;
   }
   return null;
 }
diff --git a/app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js b/app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js
index 707766e08e4..93d31a2a684 100644
--- a/app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js
+++ b/app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js
@@ -1,5 +1,6 @@
 import Timeago from 'timeago.js';
 import { getStateKey } from '../dependencies';
+import { stateKey } from './state_maps';
 import { formatDate } from '../../lib/utils/datetime_utility';
 
 export default class MergeRequestStore {
@@ -120,6 +121,10 @@ export default class MergeRequestStore {
     }
   }
 
+  get isNothingToMergeState() {
+    return this.state === stateKey.nothingToMerge;
+  }
+
   static getEventObject(event) {
     return {
       author: MergeRequestStore.getAuthorObject(event),
diff --git a/app/assets/javascripts/vue_merge_request_widget/stores/state_maps.js b/app/assets/javascripts/vue_merge_request_widget/stores/state_maps.js
index 9074a064a6d..de980c175fb 100644
--- a/app/assets/javascripts/vue_merge_request_widget/stores/state_maps.js
+++ b/app/assets/javascripts/vue_merge_request_widget/stores/state_maps.js
@@ -31,6 +31,23 @@ const statesToShowHelpWidget = [
   'autoMergeFailed',
 ];
 
+export const stateKey = {
+  archived: 'archived',
+  missingBranch: 'missingBranch',
+  nothingToMerge: 'nothingToMerge',
+  checking: 'checking',
+  conflicts: 'conflicts',
+  workInProgress: 'workInProgress',
+  pipelineFailed: 'pipelineFailed',
+  unresolvedDiscussions: 'unresolvedDiscussions',
+  pipelineBlocked: 'pipelineBlocked',
+  shaMismatch: 'shaMismatch',
+  autoMergeFailed: 'autoMergeFailed',
+  mergeWhenPipelineSucceeds: 'mergeWhenPipelineSucceeds',
+  notAllowedToMerge: 'notAllowedToMerge',
+  readyToMerge: 'readyToMerge',
+};
+
 export default {
   stateToComponentMap,
   statesToShowHelpWidget,
diff --git a/app/assets/stylesheets/framework/contextual-sidebar.scss b/app/assets/stylesheets/framework/contextual-sidebar.scss
index 26a2db99e0a..2e417315ed7 100644
--- a/app/assets/stylesheets/framework/contextual-sidebar.scss
+++ b/app/assets/stylesheets/framework/contextual-sidebar.scss
@@ -9,12 +9,6 @@
     padding-left: $contextual-sidebar-width;
   }
 
-  // Override position: absolute
-  .right-sidebar {
-    position: fixed;
-    height: calc(100% - #{$header-height});
-  }
-
   .issues-bulk-update.right-sidebar.right-sidebar-expanded .issuable-sidebar-header {
     padding: 10px 0 15px;
   }
@@ -320,13 +314,14 @@
   transition: width $sidebar-transition-duration;
   position: fixed;
   bottom: 0;
-  padding: 16px;
+  padding: $gl-padding;
   background-color: $gray-light;
   border: 0;
   border-top: 2px solid $border-color;
   color: $gl-text-color-secondary;
   display: flex;
   align-items: center;
+  line-height: 1;
 
   svg {
     margin-right: 8px;
diff --git a/app/assets/stylesheets/framework/dropdowns.scss b/app/assets/stylesheets/framework/dropdowns.scss
index 478269f3fcf..bc907a390d8 100644
--- a/app/assets/stylesheets/framework/dropdowns.scss
+++ b/app/assets/stylesheets/framework/dropdowns.scss
@@ -16,27 +16,18 @@
 
 @mixin set-visible {
   transform: translateY(0);
-  visibility: visible;
-  opacity: 1;
-  transition-duration: 100ms, 150ms, 25ms;
-  transition-delay: 35ms, 50ms, 25ms;
+  display: block;
 }
 
 @mixin set-invisible {
   transform: translateY(-10px);
-  visibility: hidden;
-  opacity: 0;
-  transition-property: opacity, transform, visibility;
-  transition-duration: 70ms, 250ms, 250ms;
-  transition-timing-function: linear, $dropdown-animation-timing;
-  transition-delay: 25ms, 50ms, 0ms;
+  display: none;
 }
 
 .open {
   .dropdown-menu,
   .dropdown-menu-nav {
     @include set-visible;
-    display: block;
     min-height: 40px;
 
     @media (max-width: $screen-xs-max) {
@@ -55,6 +46,11 @@
   }
 }
 
+// Get search dropdown to line up with other nav dropdowns
+.search-input-container .dropdown-menu {
+  margin-top: 11px;
+}
+
 .dropdown-toggle {
   padding: 6px 8px 6px 10px;
   background-color: $white-light;
@@ -214,7 +210,6 @@
 .dropdown-menu,
 .dropdown-menu-nav {
   @include set-invisible;
-  display: block;
   position: absolute;
   width: auto;
   top: 100%;
diff --git a/app/assets/stylesheets/framework/sidebar.scss b/app/assets/stylesheets/framework/sidebar.scss
index 0742c0a2a09..d61809cb0a4 100644
--- a/app/assets/stylesheets/framework/sidebar.scss
+++ b/app/assets/stylesheets/framework/sidebar.scss
@@ -90,11 +90,6 @@
 .right-sidebar {
   border-left: 1px solid $border-color;
   height: calc(100% - #{$header-height});
-
-  &.affix {
-    position: fixed;
-    top: $header-height;
-  }
 }
 
 .with-performance-bar .right-sidebar.affix {
diff --git a/app/assets/stylesheets/pages/issuable.scss b/app/assets/stylesheets/pages/issuable.scss
index e19196e0c41..e1637618ab2 100644
--- a/app/assets/stylesheets/pages/issuable.scss
+++ b/app/assets/stylesheets/pages/issuable.scss
@@ -122,7 +122,7 @@
 }
 
 .right-sidebar {
-  position: absolute;
+  position: fixed;
   top: $header-height;
   bottom: 0;
   right: 0;
@@ -502,7 +502,7 @@
   top: $header-height + $performance-bar-height;
 
   .issuable-sidebar {
-    height: calc(100% - #{$header-height} - #{$performance-bar-height});
+    height: calc(100% - #{$performance-bar-height});
   }
 }
 
diff --git a/app/assets/stylesheets/pages/search.scss b/app/assets/stylesheets/pages/search.scss
index 49c8e546bf2..c9363188505 100644
--- a/app/assets/stylesheets/pages/search.scss
+++ b/app/assets/stylesheets/pages/search.scss
@@ -108,13 +108,6 @@ input[type="checkbox"]:hover {
 
     // Custom dropdown positioning
     .dropdown-menu {
-      transition-property: opacity, transform;
-      transition-duration: 250ms, 250ms;
-      transition-delay: 0ms, 25ms;
-      transition-timing-function: $dropdown-animation-timing;
-      transform: translateY(0);
-      opacity: 0;
-      display: block;
       left: -5px;
     }
 
@@ -152,13 +145,6 @@ input[type="checkbox"]:hover {
       background-color: $nav-badge-bg;
       border-color: $border-color;
     }
-
-    .dropdown-menu {
-      transition-duration: 100ms, 75ms;
-      transition-delay: 75ms, 100ms;
-      transform: translateY(7px);
-      opacity: 1;
-    }
   }
 
   &.has-value {
diff --git a/app/assets/stylesheets/pages/stat_graph.scss b/app/assets/stylesheets/pages/stat_graph.scss
index cede147d559..8e2c42c1bd3 100644
--- a/app/assets/stylesheets/pages/stat_graph.scss
+++ b/app/assets/stylesheets/pages/stat_graph.scss
@@ -10,7 +10,6 @@
 }
 
 .axis {
-  fill: $stat-graph-axis-fill;
   font-size: 10px;
 }
 
@@ -54,9 +53,7 @@
 }
 
 .selection rect {
-  fill: $stat-graph-selection-fill;
   fill-opacity: 0.1;
-  stroke: $stat-graph-selection-stroke;
   stroke-width: 1px;
   stroke-opacity: 0.4;
   shape-rendering: crispedges;
diff --git a/app/controllers/autocomplete_controller.rb b/app/controllers/autocomplete_controller.rb
index cde1e284d2d..86bade49ec9 100644
--- a/app/controllers/autocomplete_controller.rb
+++ b/app/controllers/autocomplete_controller.rb
@@ -8,12 +8,12 @@ class AutocompleteController < ApplicationController
   def users
     @users = AutocompleteUsersFinder.new(params: params, current_user: current_user, project: @project, group: @group).execute
 
-    render json: @users, only: [:name, :username, :id], methods: [:avatar_url]
+    render json: UserSerializer.new.represent(@users)
   end
 
   def user
     @user = User.find(params[:id])
-    render json: @user, only: [:name, :username, :id], methods: [:avatar_url]
+    render json: UserSerializer.new.represent(@user)
   end
 
   def projects
diff --git a/app/controllers/concerns/issuable_actions.rb b/app/controllers/concerns/issuable_actions.rb
index c3013884369..74a4f437dc8 100644
--- a/app/controllers/concerns/issuable_actions.rb
+++ b/app/controllers/concerns/issuable_actions.rb
@@ -55,7 +55,6 @@ module IssuableActions
 
   def destroy
     Issuable::DestroyService.new(issuable.project, current_user).execute(issuable)
-    TodoService.new.destroy_issuable(issuable, current_user)
 
     name = issuable.human_class_name
     flash[:notice] = "The #{name} was successfully deleted."
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index e7b3b73024b..6b59c8461a3 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -131,7 +131,7 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
       .new(project, current_user, wip_event: 'unwip')
       .execute(@merge_request)
 
-    render json: serializer.represent(@merge_request)
+    render json: serialize_widget(@merge_request)
   end
 
   def commit_change_content
@@ -147,7 +147,7 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
       .new(@project, current_user)
       .cancel(@merge_request)
 
-    render json: serializer.represent(@merge_request)
+    render json: serialize_widget(@merge_request)
   end
 
   def merge
@@ -304,6 +304,10 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
     end
   end
 
+  def serialize_widget(merge_request)
+    serializer.represent(merge_request, serializer: 'widget')
+  end
+
   def serializer
     MergeRequestSerializer.new(current_user: current_user, project: merge_request.project)
   end
diff --git a/app/controllers/projects/pipeline_schedules_controller.rb b/app/controllers/projects/pipeline_schedules_controller.rb
index ec7c645df5a..b478e7b5e05 100644
--- a/app/controllers/projects/pipeline_schedules_controller.rb
+++ b/app/controllers/projects/pipeline_schedules_controller.rb
@@ -1,9 +1,11 @@
 class Projects::PipelineSchedulesController < Projects::ApplicationController
   before_action :schedule, except: [:index, :new, :create]
 
+  before_action :play_rate_limit, only: [:play]
+  before_action :authorize_play_pipeline_schedule!, only: [:play]
   before_action :authorize_read_pipeline_schedule!
   before_action :authorize_create_pipeline_schedule!, only: [:new, :create]
-  before_action :authorize_update_pipeline_schedule!, except: [:index, :new, :create]
+  before_action :authorize_update_pipeline_schedule!, except: [:index, :new, :create, :play]
   before_action :authorize_admin_pipeline_schedule!, only: [:destroy]
 
   def index
@@ -40,6 +42,18 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
     end
   end
 
+  def play
+    job_id = RunPipelineScheduleWorker.perform_async(schedule.id, current_user.id)
+
+    if job_id
+      flash[:notice] = "Successfully scheduled a pipeline to run. Go to the <a href=\"#{project_pipelines_path(@project)}\">Pipelines page</a> for details.".html_safe
+    else
+      flash[:alert] = 'Unable to schedule a pipeline to run immediately'
+    end
+
+    redirect_to pipeline_schedules_path(@project)
+  end
+
   def take_ownership
     if schedule.update(owner: current_user)
       redirect_to pipeline_schedules_path(@project)
@@ -60,6 +74,17 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
 
   private
 
+  def play_rate_limit
+    return unless current_user
+
+    limiter = ::Gitlab::ActionRateLimiter.new(action: :play_pipeline_schedule)
+
+    return unless limiter.throttled?([current_user, schedule], 1)
+
+    flash[:alert] = 'You cannot play this scheduled pipeline at the moment. Please wait a minute.'
+    redirect_to pipeline_schedules_path(@project)
+  end
+
   def schedule
     @schedule ||= project.pipeline_schedules.find(params[:id])
   end
@@ -70,6 +95,10 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
         variables_attributes: [:id, :key, :value, :_destroy] )
   end
 
+  def authorize_play_pipeline_schedule!
+    return access_denied! unless can?(current_user, :play_pipeline_schedule, schedule)
+  end
+
   def authorize_update_pipeline_schedule!
     return access_denied! unless can?(current_user, :update_pipeline_schedule, schedule)
   end
diff --git a/app/controllers/projects/pipelines_controller.rb b/app/controllers/projects/pipelines_controller.rb
index 7ad7b3003af..e146d0d3cd5 100644
--- a/app/controllers/projects/pipelines_controller.rb
+++ b/app/controllers/projects/pipelines_controller.rb
@@ -29,6 +29,8 @@ class Projects::PipelinesController < Projects::ApplicationController
     @pipelines_count = PipelinesFinder
       .new(project).execute.count
 
+    @pipelines.map(&:commit) # List commits for batch loading
+
     respond_to do |format|
       format.html
       format.json do
diff --git a/app/helpers/form_helper.rb b/app/helpers/form_helper.rb
index b5dece38de1..e26ce6da030 100644
--- a/app/helpers/form_helper.rb
+++ b/app/helpers/form_helper.rb
@@ -35,7 +35,7 @@ module FormHelper
         multi_select: true,
         'input-meta': 'name',
         'always-show-selectbox': true,
-        current_user_info: current_user.to_json(only: [:id, :name])
+        current_user_info: UserSerializer.new.represent(current_user)
       }
     }
   end
diff --git a/app/helpers/gitlab_routing_helper.rb b/app/helpers/gitlab_routing_helper.rb
index a77aa0ad2cc..7f3c118c7ab 100644
--- a/app/helpers/gitlab_routing_helper.rb
+++ b/app/helpers/gitlab_routing_helper.rb
@@ -182,6 +182,11 @@ module GitlabRoutingHelper
     edit_project_pipeline_schedule_path(project, schedule)
   end
 
+  def play_pipeline_schedule_path(schedule, *args)
+    project = schedule.project
+    play_project_pipeline_schedule_path(project, schedule, *args)
+  end
+
   def take_ownership_pipeline_schedule_path(schedule, *args)
     project = schedule.project
     take_ownership_project_pipeline_schedule_path(project, schedule, *args)
diff --git a/app/helpers/issuables_helper.rb b/app/helpers/issuables_helper.rb
index 4c60f4b0cd0..2668cf78afe 100644
--- a/app/helpers/issuables_helper.rb
+++ b/app/helpers/issuables_helper.rb
@@ -32,7 +32,7 @@ module IssuablesHelper
     end
   end
 
-  def serialize_issuable(issuable)
+  def serialize_issuable(issuable, serializer: nil)
     serializer_klass = case issuable
                        when Issue
                          IssueSerializer
@@ -42,7 +42,7 @@ module IssuablesHelper
 
     serializer_klass
       .new(current_user: current_user, project: issuable.project)
-      .represent(issuable)
+      .represent(issuable, serializer: serializer)
       .to_json
   end
 
@@ -362,7 +362,7 @@ module IssuablesHelper
       moveIssueEndpoint: move_namespace_project_issue_path(namespace_id: issuable.project.namespace.to_param, project_id: issuable.project, id: issuable),
       projectsAutocompleteEndpoint: autocomplete_projects_path(project_id: @project.id),
       editable: can_edit_issuable,
-      currentUser: current_user.as_json(only: [:username, :id, :name], methods: :avatar_url),
+      currentUser: UserSerializer.new.represent(current_user),
       rootPath: root_path,
       fullPath: @project.full_path
     }
diff --git a/app/helpers/search_helper.rb b/app/helpers/search_helper.rb
index 2f57660516d..0f9ac958f95 100644
--- a/app/helpers/search_helper.rb
+++ b/app/helpers/search_helper.rb
@@ -139,7 +139,7 @@ module SearchHelper
         id: "filtered-search-#{type}",
         placeholder: 'Search or filter results...',
         data: {
-          'username-params' => @users.to_json(only: [:id, :username])
+          'username-params' => UserSerializer.new.represent(@users)
         },
         autocomplete: 'off'
       }
diff --git a/app/models/blob_viewer/dependency_manager.rb b/app/models/blob_viewer/dependency_manager.rb
index a8d9be945dc..cc4950240af 100644
--- a/app/models/blob_viewer/dependency_manager.rb
+++ b/app/models/blob_viewer/dependency_manager.rb
@@ -27,10 +27,17 @@ module BlobViewer
 
     private
 
-    def package_name_from_json(key)
-      prepare!
+    def json_data
+      @json_data ||= begin
+        prepare!
+        JSON.parse(blob.data)
+      rescue
+        {}
+      end
+    end
 
-      JSON.parse(blob.data)[key] rescue nil
+    def package_name_from_json(key)
+      json_data[key]
     end
 
     def package_name_from_method_call(name)
diff --git a/app/models/blob_viewer/package_json.rb b/app/models/blob_viewer/package_json.rb
index 09221efb56c..46cd2f04f4d 100644
--- a/app/models/blob_viewer/package_json.rb
+++ b/app/models/blob_viewer/package_json.rb
@@ -16,7 +16,25 @@ module BlobViewer
       @package_name ||= package_name_from_json('name')
     end
 
+    def package_type
+      private? ? 'private package' : super
+    end
+
     def package_url
+      private? ? homepage : npm_url
+    end
+
+    private
+
+    def private?
+      !!json_data['private']
+    end
+
+    def homepage
+      json_data['homepage']
+    end
+
+    def npm_url
       "https://www.npmjs.com/package/#{package_name}"
     end
   end
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index eebbf7c4218..d4690da3be6 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -228,6 +228,10 @@ module Ci
       statuses.select(:stage).distinct.count
     end
 
+    def total_size
+      statuses.count(:id)
+    end
+
     def stages_names
       statuses.order(:stage_idx).distinct
         .pluck(:stage, :stage_idx).map(&:first)
@@ -283,8 +287,12 @@ module Ci
       Ci::Pipeline.truncate_sha(sha)
     end
 
+    # NOTE: This is loaded lazily and will never be nil, even if the commit
+    # cannot be found.
+    #
+    # Use constructs like: `pipeline.commit.present?`
     def commit
-      @commit ||= project.commit_by(oid: sha)
+      @commit ||= Commit.lazy(project, sha)
     end
 
     def branch?
@@ -334,12 +342,9 @@ module Ci
     end
 
     def latest?
-      return false unless ref
-
-      commit = project.commit(ref)
-      return false unless commit
+      return false unless ref && commit.present?
 
-      commit.sha == sha
+      project.commit(ref) == commit
     end
 
     def retried
diff --git a/app/models/commit.rb b/app/models/commit.rb
index 13c31111134..2be07ca7d3c 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -86,6 +86,20 @@ class Commit
     def valid_hash?(key)
       !!(/\A#{COMMIT_SHA_PATTERN}\z/ =~ key)
     end
+
+    def lazy(project, oid)
+      BatchLoader.for({ project: project, oid: oid }).batch do |items, loader|
+        items_by_project = items.group_by { |i| i[:project] }
+
+        items_by_project.each do |project, commit_ids|
+          oids = commit_ids.map { |i| i[:oid] }
+
+          project.repository.commits_by(oids: oids).each do |commit|
+            loader.call({ project: commit.project, oid: commit.id }, commit) if commit
+          end
+        end
+      end
+    end
   end
 
   attr_accessor :raw
@@ -103,7 +117,7 @@ class Commit
   end
 
   def ==(other)
-    (self.class === other) && (raw == other.raw)
+    other.is_a?(self.class) && raw == other.raw
   end
 
   def self.reference_prefix
@@ -224,8 +238,8 @@ class Commit
     notes.includes(:author)
   end
 
-  def method_missing(m, *args, &block)
-    @raw.__send__(m, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
+  def method_missing(method, *args, &block)
+    @raw.__send__(method, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
   end
 
   def respond_to_missing?(method, include_private = false)
diff --git a/app/models/concerns/blocks_json_serialization.rb b/app/models/concerns/blocks_json_serialization.rb
new file mode 100644
index 00000000000..8019e6adc1c
--- /dev/null
+++ b/app/models/concerns/blocks_json_serialization.rb
@@ -0,0 +1,16 @@
+# Overrides `as_json` and `to_json` to raise an exception when called in order
+# to prevent accidentally exposing attributes
+#
+# Not that that would ever happen... but just in case.
+module BlocksJsonSerialization
+  extend ActiveSupport::Concern
+
+  JsonSerializationError = Class.new(StandardError)
+
+  def to_json(*)
+    raise JsonSerializationError,
+      "JSON serialization has been disabled on #{self.class.name}"
+  end
+
+  alias_method :as_json, :to_json
+end
diff --git a/app/models/concerns/time_trackable.rb b/app/models/concerns/time_trackable.rb
index 89fe6527647..5911b56c34c 100644
--- a/app/models/concerns/time_trackable.rb
+++ b/app/models/concerns/time_trackable.rb
@@ -24,7 +24,7 @@ module TimeTrackable
   # rubocop:disable Gitlab/ModuleWithInstanceVariables
   def spend_time(options)
     @time_spent = options[:duration]
-    @time_spent_user = options[:user]
+    @time_spent_user = User.find(options[:user_id])
     @spent_at = options[:spent_at]
     @original_total_time_spent = nil
 
diff --git a/app/models/diff_discussion.rb b/app/models/diff_discussion.rb
index 4a65738214b..d67b16584a4 100644
--- a/app/models/diff_discussion.rb
+++ b/app/models/diff_discussion.rb
@@ -22,12 +22,9 @@ class DiffDiscussion < Discussion
 
   def merge_request_version_params
     return unless for_merge_request?
-    return {} if active?
 
-    if on_merge_request_commit?
-      { commit_id: commit_id }
-    else
-      noteable.version_params_for(position.diff_refs)
+    version_params.tap do |params|
+      params[:commit_id] = commit_id if on_merge_request_commit?
     end
   end
 
@@ -37,4 +34,12 @@ class DiffDiscussion < Discussion
       position: position.to_json
     )
   end
+
+  private
+
+  def version_params
+    return {} if active?
+
+    noteable.version_params_for(position.diff_refs)
+  end
 end
diff --git a/app/models/project.rb b/app/models/project.rb
index 5183a216c53..3440c01b356 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -1148,7 +1148,7 @@ class Project < ActiveRecord::Base
   def change_head(branch)
     if repository.branch_exists?(branch)
       repository.before_change_head
-      repository.write_ref('HEAD', "refs/heads/#{branch}", force: true)
+      repository.write_ref('HEAD', "refs/heads/#{branch}")
       repository.copy_gitattributes(branch)
       repository.after_change_head
       reload_default_branch
diff --git a/app/models/project_services/jira_service.rb b/app/models/project_services/jira_service.rb
index 1c065e1ddbd..2be35b6ea9d 100644
--- a/app/models/project_services/jira_service.rb
+++ b/app/models/project_services/jira_service.rb
@@ -46,6 +46,8 @@ class JiraService < IssueTrackerService
       context_path: url.path,
       auth_type: :basic,
       read_timeout: 120,
+      use_cookies: true,
+      additional_cookies: ['OBBasicAuth=fromDialog'],
       use_ssl: url.scheme == 'https'
     }
   end
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 552a354d1ce..a34f5e5439b 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -19,7 +19,6 @@ class Repository
   attr_accessor :full_path, :disk_path, :project, :is_wiki
 
   delegate :ref_name_for_sha, to: :raw_repository
-  delegate :write_ref, to: :raw_repository
 
   CreateTreeError = Class.new(StandardError)
 
@@ -118,6 +117,18 @@ class Repository
     @commit_cache[oid] = find_commit(oid)
   end
 
+  def commits_by(oids:)
+    return [] unless oids.present?
+
+    commits = Gitlab::Git::Commit.batch_by_oid(raw_repository, oids)
+
+    if commits.present?
+      Commit.decorate(commits, @project)
+    else
+      []
+    end
+  end
+
   def commits(ref, path: nil, limit: nil, offset: nil, skip_merges: false, after: nil, before: nil)
     options = {
       repo: raw_repository,
@@ -221,6 +232,12 @@ class Repository
     branch_names.include?(branch_name)
   end
 
+  def tag_exists?(tag_name)
+    return false unless raw_repository
+
+    tag_names.include?(tag_name)
+  end
+
   def ref_exists?(ref)
     !!raw_repository&.ref_exists?(ref)
   rescue ArgumentError
@@ -238,10 +255,11 @@ class Repository
 
     # This will still fail if the file is corrupted (e.g. 0 bytes)
     begin
-      write_ref(keep_around_ref_name(sha), sha, force: true)
-    rescue Gitlab::Git::Repository::GitError => ex
-      # Necessary because https://gitlab.com/gitlab-org/gitlab-ce/issues/20156
-      return true if ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
+      write_ref(keep_around_ref_name(sha), sha)
+    rescue Rugged::ReferenceError => ex
+      Rails.logger.error "Unable to create #{REF_KEEP_AROUND} reference for repository #{path}: #{ex}"
+    rescue Rugged::OSError => ex
+      raise unless ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
 
       Rails.logger.error "Unable to create #{REF_KEEP_AROUND} reference for repository #{path}: #{ex}"
     end
@@ -251,6 +269,10 @@ class Repository
     ref_exists?(keep_around_ref_name(sha))
   end
 
+  def write_ref(ref_path, sha)
+    rugged.references.create(ref_path, sha, force: true)
+  end
+
   def diverging_commit_counts(branch)
     root_ref_hash = raw_repository.commit(root_ref).id
     cache.fetch(:"diverging_commit_counts_#{branch.name}") do
@@ -997,7 +1019,7 @@ class Repository
   end
 
   def create_ref(ref, ref_path)
-    write_ref(ref_path, ref)
+    raw_repository.write_ref(ref_path, ref)
   end
 
   def ls_files(ref)
diff --git a/app/models/user.rb b/app/models/user.rb
index 51941f43919..b52f17cd6a8 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -18,6 +18,7 @@ class User < ActiveRecord::Base
   include CreatedAtFilterable
   include IgnorableColumn
   include BulkMemberAccessLoad
+  include BlocksJsonSerialization
 
   DEFAULT_NOTIFICATION_LEVEL = :participating
 
diff --git a/app/policies/ci/pipeline_policy.rb b/app/policies/ci/pipeline_policy.rb
index 4e689a9efd5..6363c382ff8 100644
--- a/app/policies/ci/pipeline_policy.rb
+++ b/app/policies/ci/pipeline_policy.rb
@@ -2,16 +2,18 @@ module Ci
   class PipelinePolicy < BasePolicy
     delegate { @subject.project }
 
-    condition(:protected_ref) do
-      access = ::Gitlab::UserAccess.new(@user, project: @subject.project)
+    condition(:protected_ref) { ref_protected?(@user, @subject.project, @subject.tag?, @subject.ref) }
 
-      if @subject.tag?
-        !access.can_create_tag?(@subject.ref)
+    rule { protected_ref }.prevent :update_pipeline
+
+    def ref_protected?(user, project, tag, ref)
+      access = ::Gitlab::UserAccess.new(user, project: project)
+
+      if tag
+        !access.can_create_tag?(ref)
       else
-        !access.can_update_branch?(@subject.ref)
+        !access.can_update_branch?(ref)
       end
     end
-
-    rule { protected_ref }.prevent :update_pipeline
   end
 end
diff --git a/app/policies/ci/pipeline_schedule_policy.rb b/app/policies/ci/pipeline_schedule_policy.rb
index 6b7598e1821..abcf536b2f7 100644
--- a/app/policies/ci/pipeline_schedule_policy.rb
+++ b/app/policies/ci/pipeline_schedule_policy.rb
@@ -2,13 +2,23 @@ module Ci
   class PipelineSchedulePolicy < PipelinePolicy
     alias_method :pipeline_schedule, :subject
 
+    condition(:protected_ref) do
+      ref_protected?(@user, @subject.project, @subject.project.repository.tag_exists?(@subject.ref), @subject.ref)
+    end
+
     condition(:owner_of_schedule) do
       can?(:developer_access) && pipeline_schedule.owned_by?(@user)
     end
 
+    rule { can?(:developer_access) }.policy do
+      enable :play_pipeline_schedule
+    end
+
     rule { can?(:master_access) | owner_of_schedule }.policy do
       enable :update_pipeline_schedule
       enable :admin_pipeline_schedule
     end
+
+    rule { protected_ref }.prevent :play_pipeline_schedule
   end
 end
diff --git a/app/serializers/issuable_entity.rb b/app/serializers/issuable_entity.rb
index 3b5a4fd4f79..6f31fbd6b7c 100644
--- a/app/serializers/issuable_entity.rb
+++ b/app/serializers/issuable_entity.rb
@@ -3,14 +3,6 @@ class IssuableEntity < Grape::Entity
 
   expose :id
   expose :iid
-  expose :author_id
   expose :description
-  expose :lock_version
-  expose :milestone_id
   expose :title
-  expose :updated_by_id
-  expose :created_at
-  expose :updated_at
-  expose :milestone, using: API::Entities::Milestone
-  expose :labels, using: LabelEntity
 end
diff --git a/app/serializers/issuable_sidebar_entity.rb b/app/serializers/issuable_sidebar_entity.rb
index ff23d8bf0c7..29138c803df 100644
--- a/app/serializers/issuable_sidebar_entity.rb
+++ b/app/serializers/issuable_sidebar_entity.rb
@@ -1,4 +1,5 @@
 class IssuableSidebarEntity < Grape::Entity
+  include TimeTrackableEntity
   include RequestAwareEntity
 
   expose :participants, using: ::API::Entities::UserBasic do |issuable|
@@ -8,9 +9,4 @@ class IssuableSidebarEntity < Grape::Entity
   expose :subscribed do |issuable|
     issuable.subscribed?(request.current_user, issuable.project)
   end
-
-  expose :time_estimate
-  expose :total_time_spent
-  expose :human_time_estimate
-  expose :human_total_time_spent
 end
diff --git a/app/serializers/issue_entity.rb b/app/serializers/issue_entity.rb
index 9d52b8d9752..0bdd4d7a272 100644
--- a/app/serializers/issue_entity.rb
+++ b/app/serializers/issue_entity.rb
@@ -2,7 +2,15 @@ class IssueEntity < IssuableEntity
   include TimeTrackableEntity
 
   expose :state
+  expose :milestone_id
+  expose :updated_by_id
+  expose :created_at
+  expose :updated_at
   expose :deleted_at
+  expose :milestone, using: API::Entities::Milestone
+  expose :labels, using: LabelEntity
+  expose :lock_version
+  expose :author_id
   expose :confidential
   expose :discussion_locked
   expose :assignees, using: API::Entities::UserBasic
diff --git a/app/serializers/merge_request_serializer.rb b/app/serializers/merge_request_serializer.rb
index e9d98d8baca..52eb30d688a 100644
--- a/app/serializers/merge_request_serializer.rb
+++ b/app/serializers/merge_request_serializer.rb
@@ -1,14 +1,14 @@
 class MergeRequestSerializer < BaseSerializer
   # This overrided method takes care of which entity should be used
-  # to serialize the `merge_request` based on `basic` key in `opts` param.
+  # to serialize the `merge_request` based on `serializer` key in `opts` param.
   # Hence, `entity` doesn't need to be declared on the class scope.
   def represent(merge_request, opts = {})
     entity =
       case opts[:serializer]
       when 'basic', 'sidebar'
         MergeRequestBasicEntity
-      else
-        MergeRequestEntity
+      when 'widget'
+        MergeRequestWidgetEntity
       end
 
     super(merge_request, opts, entity)
diff --git a/app/serializers/merge_request_entity.rb b/app/serializers/merge_request_widget_entity.rb
index eece9445dca..f8e59b2ffd7 100644
--- a/app/serializers/merge_request_entity.rb
+++ b/app/serializers/merge_request_widget_entity.rb
@@ -1,8 +1,5 @@
-class MergeRequestEntity < IssuableEntity
-  include TimeTrackableEntity
-
+class MergeRequestWidgetEntity < IssuableEntity
   expose :state
-  expose :deleted_at
   expose :in_progress_merge_commit_sha
   expose :merge_commit_sha
   expose :merge_error
diff --git a/app/services/issuable/destroy_service.rb b/app/services/issuable/destroy_service.rb
index 0610b401213..7197a426a72 100644
--- a/app/services/issuable/destroy_service.rb
+++ b/app/services/issuable/destroy_service.rb
@@ -1,8 +1,10 @@
 module Issuable
   class DestroyService < IssuableBaseService
     def execute(issuable)
-      if issuable.destroy
-        issuable.update_project_counter_caches
+      TodoService.new.destroy_target(issuable) do |issuable|
+        if issuable.destroy
+          issuable.update_project_counter_caches
+        end
       end
     end
   end
diff --git a/app/services/notes/destroy_service.rb b/app/services/notes/destroy_service.rb
index b819bd17039..fb78420d324 100644
--- a/app/services/notes/destroy_service.rb
+++ b/app/services/notes/destroy_service.rb
@@ -1,7 +1,9 @@
 module Notes
   class DestroyService < BaseService
     def execute(note)
-      note.destroy
+      TodoService.new.destroy_target(note) do |note|
+        note.destroy
+      end
     end
   end
 end
diff --git a/app/services/projects/unlink_fork_service.rb b/app/services/projects/unlink_fork_service.rb
index c499f384426..842fe4e09c4 100644
--- a/app/services/projects/unlink_fork_service.rb
+++ b/app/services/projects/unlink_fork_service.rb
@@ -5,7 +5,7 @@ module Projects
 
       if fork_source = @project.fork_source
         fork_source.lfs_objects.find_each do |lfs_object|
-          lfs_object.projects << @project
+          lfs_object.projects << @project unless lfs_object.projects.include?(@project)
         end
 
         refresh_forks_count(fork_source)
diff --git a/app/services/quick_actions/interpret_service.rb b/app/services/quick_actions/interpret_service.rb
index 06ac86cd5a9..669c1ba0a22 100644
--- a/app/services/quick_actions/interpret_service.rb
+++ b/app/services/quick_actions/interpret_service.rb
@@ -405,7 +405,7 @@ module QuickActions
       if time_spent
         @updates[:spend_time] = {
           duration: time_spent,
-          user: current_user,
+          user_id: current_user.id,
           spent_at: time_spent_date
         }
       end
@@ -428,7 +428,7 @@ module QuickActions
         current_user.can?(:"admin_#{issuable.to_ability_name}", project)
     end
     command :remove_time_spent do
-      @updates[:spend_time] = { duration: :reset, user: current_user }
+      @updates[:spend_time] = { duration: :reset, user_id: current_user.id }
     end
 
     desc "Append the comment with #{SHRUG}"
diff --git a/app/services/todo_service.rb b/app/services/todo_service.rb
index 575853fd66b..c2ca404b179 100644
--- a/app/services/todo_service.rb
+++ b/app/services/todo_service.rb
@@ -31,12 +31,20 @@ class TodoService
     mark_pending_todos_as_done(issue, current_user)
   end
 
-  # When we destroy an issuable we should:
+  # When we destroy a todo target we should:
   #
-  #  * refresh the todos count cache for the current user
+  #  * refresh the todos count cache for all users with todos on the target
   #
-  def destroy_issuable(issuable, user)
-    user.update_todos_count_cache
+  # This needs to yield back to the caller to destroy the target, because it
+  # collects the todo users before the todos themselves are deleted, then
+  # updates the todo counts for those users.
+  #
+  def destroy_target(target)
+    todo_users = User.where(id: target.todos.pending.select(:user_id)).to_a
+
+    yield target
+
+    todo_users.each(&:update_todos_count_cache)
   end
 
   # When we reassign an issue we should:
diff --git a/app/views/events/event/_push.html.haml b/app/views/events/event/_push.html.haml
index 9a763887b30..f85f5c5be88 100644
--- a/app/views/events/event/_push.html.haml
+++ b/app/views/events/event/_push.html.haml
@@ -7,7 +7,8 @@
   %span.pushed #{event.action_name} #{event.ref_type}
   %strong
     - commits_link = project_commits_path(project, event.ref_name)
-    = link_to_if project.repository.branch_exists?(event.ref_name), event.ref_name, commits_link, class: 'ref-name'
+    - should_link = event.tag? ? project.repository.tag_exists?(event.ref_name) : project.repository.branch_exists?(event.ref_name)
+    = link_to_if should_link, event.ref_name, commits_link, class: 'ref-name'
 
   = render "events/event_scope", event: event
 
diff --git a/app/views/help/index.html.haml b/app/views/help/index.html.haml
index 021de4f0caf..b8692009225 100644
--- a/app/views/help/index.html.haml
+++ b/app/views/help/index.html.haml
@@ -1,3 +1,5 @@
+= webpack_bundle_tag 'docs'
+
 %div
 - if current_application_settings.help_page_text.present?
   = markdown_field(current_application_settings, :help_page_text)
@@ -37,8 +39,12 @@
         Quick help
       %ul.well-list
         %li= link_to 'See our website for getting help', support_url
-        %li= link_to 'Use the search bar on the top of this page', '#', onclick: 'Shortcuts.focusSearch(event)'
-        %li= link_to 'Use shortcuts', '#', onclick: 'Shortcuts.toggleHelp()'
+        %li
+          %button.btn-blank.btn-link.js-trigger-search-bar{ type: 'button' }
+            Use the search bar on the top of this page
+        %li
+          %button.btn-blank.btn-link.js-trigger-shortcut{ type: 'button' }
+            Use shortcuts
         - unless current_application_settings.help_page_hide_commercial_content?
           %li= link_to 'Get a support subscription', 'https://about.gitlab.com/pricing/'
           %li= link_to 'Compare GitLab editions', 'https://about.gitlab.com/features/#compare'
diff --git a/app/views/notify/pipeline_success_email.html.haml b/app/views/notify/pipeline_success_email.html.haml
index 574a8f2fa50..bae37292d62 100644
--- a/app/views/notify/pipeline_success_email.html.haml
+++ b/app/views/notify/pipeline_success_email.html.haml
@@ -109,7 +109,7 @@
               API
 %tr
   %td{ colspan: 2, style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#333333;font-size:15px;font-weight:300;line-height:1.4;padding:15px 5px;text-align:center;" }
-    - job_count = @pipeline.statuses.latest.size
+    - job_count = @pipeline.total_size
     - stage_count = @pipeline.stages_count
     successfully completed
     #{job_count} #{'job'.pluralize(job_count)}
diff --git a/app/views/notify/pipeline_success_email.text.erb b/app/views/notify/pipeline_success_email.text.erb
index ddced2279e1..39622cf7f02 100644
--- a/app/views/notify/pipeline_success_email.text.erb
+++ b/app/views/notify/pipeline_success_email.text.erb
@@ -22,11 +22,11 @@ Committed by: <%= commit.committer_name %>
 <% end -%>
 <% end -%>
 
-<% build_count = @pipeline.statuses.latest.size -%>
+<% job_count = @pipeline.total_size -%>
 <% stage_count = @pipeline.stages_count -%>
 <% if @pipeline.user -%>
 Pipeline #<%= @pipeline.id %> ( <%= pipeline_url(@pipeline) %> ) triggered by <%= @pipeline.user.name %> ( <%= user_url(@pipeline.user) %> )
 <% else -%>
 Pipeline #<%= @pipeline.id %> ( <%= pipeline_url(@pipeline) %> ) triggered by API
 <% end -%>
-successfully completed <%= build_count %> <%= 'build'.pluralize(build_count) %> in <%= stage_count %> <%= 'stage'.pluralize(stage_count) %>.
+successfully completed <%= job_count %> <%= 'job'.pluralize(job_count) %> in <%= stage_count %> <%= 'stage'.pluralize(stage_count) %>.
diff --git a/app/views/projects/blob/viewers/_dependency_manager.html.haml b/app/views/projects/blob/viewers/_dependency_manager.html.haml
index a0f0215a5ff..87aa7c1dbf8 100644
--- a/app/views/projects/blob/viewers/_dependency_manager.html.haml
+++ b/app/views/projects/blob/viewers/_dependency_manager.html.haml
@@ -6,6 +6,6 @@
   - if viewer.package_name
     and defines a #{viewer.package_type} named
     %strong<
-      = link_to viewer.package_name, viewer.package_url, target: '_blank', rel: 'noopener noreferrer'
+      = link_to_if viewer.package_url.present?, viewer.package_name, viewer.package_url, target: '_blank', rel: 'noopener noreferrer'
 
 = link_to 'Learn more', viewer.manager_url, target: '_blank', rel: 'noopener noreferrer'
diff --git a/app/views/projects/issues/show.html.haml b/app/views/projects/issues/show.html.haml
index eab7879c7bf..1f28d8acff6 100644
--- a/app/views/projects/issues/show.html.haml
+++ b/app/views/projects/issues/show.html.haml
@@ -39,8 +39,6 @@
         = icon('caret-down')
       .dropdown-menu.dropdown-menu-align-right.hidden-lg
         %ul
-          - if can_update_issue
-            %li= link_to 'Edit', edit_project_issue_path(@project, @issue), class: 'js-issuable-edit'
           - unless current_user == @issue.author
             %li= link_to 'Report abuse', new_abuse_report_path(user_id: @issue.author.id, ref_url: issue_url(@issue))
           - if can_update_issue
@@ -52,9 +50,6 @@
             %li.divider
           %li= link_to 'New issue', new_project_issue_path(@project), title: 'New issue', id: 'new_issue_link'
 
-    - if can_update_issue
-      = link_to 'Edit', edit_project_issue_path(@project, @issue), class: 'hidden-xs hidden-sm btn btn-grouped js-issuable-edit'
-
     = render 'shared/issuable/close_reopen_button', issuable: @issue, can_update: can_update_issue
 
     - if can_report_spam
diff --git a/app/views/projects/merge_requests/show.html.haml b/app/views/projects/merge_requests/show.html.haml
index abff702fd9d..8740c6895df 100644
--- a/app/views/projects/merge_requests/show.html.haml
+++ b/app/views/projects/merge_requests/show.html.haml
@@ -20,7 +20,7 @@
     -# haml-lint:disable InlineJavaScript
     :javascript
       window.gl = window.gl || {};
-      window.gl.mrWidgetData = #{serialize_issuable(@merge_request)}
+      window.gl.mrWidgetData = #{serialize_issuable(@merge_request, serializer: 'widget')}
 
     #js-vue-mr-widget.mr-widget
 
diff --git a/app/views/projects/pipeline_schedules/_pipeline_schedule.html.haml b/app/views/projects/pipeline_schedules/_pipeline_schedule.html.haml
index bd8c38292d6..f8c4005a9e0 100644
--- a/app/views/projects/pipeline_schedules/_pipeline_schedule.html.haml
+++ b/app/views/projects/pipeline_schedules/_pipeline_schedule.html.haml
@@ -26,10 +26,12 @@
           = pipeline_schedule.owner&.name
     %td
       .pull-right.btn-group
+        - if can?(current_user, :play_pipeline_schedule, pipeline_schedule)
+          = link_to play_pipeline_schedule_path(pipeline_schedule), method: :post, title: s_('Play'), class: 'btn' do
+            = icon('play')
         - if can?(current_user, :update_pipeline_schedule, pipeline_schedule)
           = link_to take_ownership_pipeline_schedule_path(pipeline_schedule), method: :post, title: s_('PipelineSchedules|Take ownership'), class: 'btn' do
             = s_('PipelineSchedules|Take ownership')
-        - if can?(current_user, :update_pipeline_schedule, pipeline_schedule)
           = link_to edit_pipeline_schedule_path(pipeline_schedule), title: _('Edit'), class: 'btn' do
             = icon('pencil')
         - if can?(current_user, :admin_pipeline_schedule, pipeline_schedule)
diff --git a/app/views/projects/pipelines/_info.html.haml b/app/views/projects/pipelines/_info.html.haml
index f5149306734..85946aec1f2 100644
--- a/app/views/projects/pipelines/_info.html.haml
+++ b/app/views/projects/pipelines/_info.html.haml
@@ -1,6 +1,6 @@
 #js-pipeline-header-vue.pipeline-header-container
 
-- if @commit
+- if @commit.present?
   .commit-box
     %h3.commit-title
       = markdown(@commit.title, pipeline: :single_line)
@@ -8,28 +8,28 @@
       %pre.commit-description
         = preserve(markdown(@commit.description, pipeline: :single_line))
 
-.info-well
-  - if @commit.status
-    .well-segment.pipeline-info
-      .icon-container
-        = icon('clock-o')
-      = pluralize @pipeline.statuses.count(:id), "job"
-      - if @pipeline.ref
-        from
-        = link_to @pipeline.ref, project_ref_path(@project, @pipeline.ref), class: "ref-name"
-      - if @pipeline.duration
-        in
-        = time_interval_in_words(@pipeline.duration)
-      - if @pipeline.queued_duration
-        = "(queued for #{time_interval_in_words(@pipeline.queued_duration)})"
+  .info-well
+    - if @commit.status
+      .well-segment.pipeline-info
+        .icon-container
+          = icon('clock-o')
+        = pluralize @pipeline.total_size, "job"
+        - if @pipeline.ref
+          from
+          = link_to @pipeline.ref, project_ref_path(@project, @pipeline.ref), class: "ref-name"
+        - if @pipeline.duration
+          in
+          = time_interval_in_words(@pipeline.duration)
+        - if @pipeline.queued_duration
+          = "(queued for #{time_interval_in_words(@pipeline.queued_duration)})"
 
-  .well-segment.branch-info
-    .icon-container.commit-icon
-      = custom_icon("icon_commit")
-    = link_to @commit.short_id, project_commit_path(@project, @pipeline.sha), class: "commit-sha js-details-short"
-    = link_to("#", class: "js-details-expand hidden-xs hidden-sm") do
-      %span.text-expander
-        \...
-    %span.js-details-content.hide
-      = link_to @pipeline.sha, project_commit_path(@project, @pipeline.sha), class: "commit-sha commit-hash-full"
-    = clipboard_button(text: @pipeline.sha, title: "Copy commit SHA to clipboard")
+    .well-segment.branch-info
+      .icon-container.commit-icon
+        = custom_icon("icon_commit")
+      = link_to @commit.short_id, project_commit_path(@project, @pipeline.sha), class: "commit-sha js-details-short"
+      = link_to("#", class: "js-details-expand hidden-xs hidden-sm") do
+        %span.text-expander
+          \...
+      %span.js-details-content.hide
+        = link_to @pipeline.sha, project_commit_path(@project, @pipeline.sha), class: "commit-sha commit-hash-full"
+      = clipboard_button(text: @pipeline.sha, title: "Copy commit SHA to clipboard")
diff --git a/app/views/projects/pipelines/_with_tabs.html.haml b/app/views/projects/pipelines/_with_tabs.html.haml
index ad61f033a1c..398a1c46746 100644
--- a/app/views/projects/pipelines/_with_tabs.html.haml
+++ b/app/views/projects/pipelines/_with_tabs.html.haml
@@ -8,7 +8,7 @@
     %li.js-builds-tab-link
       = link_to builds_project_pipeline_path(@project, @pipeline), data: {target: 'div#js-tab-builds', action: 'builds', toggle: 'tab' }, class: 'builds-tab' do
         Jobs
-        %span.badge.js-builds-counter= pipeline.statuses.count
+        %span.badge.js-builds-counter= pipeline.total_size
     - if failed_builds.present?
       %li.js-failures-tab-link
         = link_to failures_project_pipeline_path(@project, @pipeline), data: {target: 'div#js-tab-failures', action: 'failures', toggle: 'tab' }, class: 'failures-tab' do
diff --git a/app/views/shared/boards/components/_sidebar.html.haml b/app/views/shared/boards/components/_sidebar.html.haml
index b3f73e96b81..8e5e32e9f16 100644
--- a/app/views/shared/boards/components/_sidebar.html.haml
+++ b/app/views/shared/boards/components/_sidebar.html.haml
@@ -1,5 +1,4 @@
-%board-sidebar{ "inline-template" => true,
-  ":current-user" => "#{current_user ? current_user.to_json(only: [:username, :id, :name], methods: [:avatar_url]) : {}}" }
+%board-sidebar{ "inline-template" => true,  ":current-user" => (UserSerializer.new.represent(current_user) || {}).to_json }
   %transition{ name: "boards-sidebar-slide" }
     %aside.right-sidebar.right-sidebar-expanded.issue-boards-sidebar{ "v-show" => "showSidebar" }
       .issuable-sidebar
diff --git a/app/views/shared/empty_states/_issues.html.haml b/app/views/shared/empty_states/_issues.html.haml
index e039a73cd3b..62437f5fc9d 100644
--- a/app/views/shared/empty_states/_issues.html.haml
+++ b/app/views/shared/empty_states/_issues.html.haml
@@ -8,16 +8,17 @@
       = image_tag 'illustrations/issues.svg'
   .col-xs-12
     .text-content
-      - if has_button && current_user
+      - if current_user
         %h4
           = _("The Issue Tracker is the place to add things that need to be improved or solved in a project")
         %p
           = _("Issues can be bugs, tasks or ideas to be discussed. Also, issues are searchable and filterable.")
-        .text-center
-          - if project_select_button
-            = render 'shared/new_project_item_select', path: 'issues/new', label: 'New issue', type: :issues
-          - else
-            = link_to 'New issue', button_path, class: 'btn btn-success', title: 'New issue', id: 'new_issue_link'
+        - if has_button
+          .text-center
+            - if project_select_button
+              = render 'shared/new_project_item_select', path: 'issues/new', label: 'New issue', type: :issues
+            - else
+              = link_to 'New issue', button_path, class: 'btn btn-success', title: 'New issue', id: 'new_issue_link'
       - else
         %h4.text-center= _("There are no issues to show")
         %p
diff --git a/app/views/shared/issuable/_assignees.html.haml b/app/views/shared/issuable/_assignees.html.haml
index 217af7c9fac..fc86f855865 100644
--- a/app/views/shared/issuable/_assignees.html.haml
+++ b/app/views/shared/issuable/_assignees.html.haml
@@ -1,14 +1,10 @@
-- max_render = 3
-- max = [max_render, issue.assignees.length].min
+- max_render = 4
+- assignees_rendering_overflow = issue.assignees.size > max_render
+- render_count = assignees_rendering_overflow ? max_render - 1 : max_render
+- more_assignees_count = issue.assignees.size - render_count
 
-- issue.assignees.take(max).each do |assignee|
+- issue.assignees.take(render_count).each do |assignee|
   = link_to_member(@project, assignee, name: false, title: "Assigned to :name")
 
-- if issue.assignees.length > max_render
-  - counter = issue.assignees.length - max_render
-
-  %span{ class: 'avatar-counter has-tooltip', data: { container: 'body', placement: 'bottom', 'line-type' => 'old', 'original-title' => "+#{counter} more assignees" } }
-    - if counter < 99
-      = "+#{counter}"
-    - else
-      99+
+- if more_assignees_count.positive?
+  %span{ class: 'avatar-counter has-tooltip', data: { container: 'body', placement: 'bottom', 'line-type' => 'old', 'original-title' => "+#{more_assignees_count} more assignees" } } +#{more_assignees_count}
diff --git a/app/workers/all_queues.yml b/app/workers/all_queues.yml
index ba31a5aa9c2..268b7028fd9 100644
--- a/app/workers/all_queues.yml
+++ b/app/workers/all_queues.yml
@@ -39,6 +39,7 @@
 - pipeline_cache:expire_job_cache
 - pipeline_cache:expire_pipeline_cache
 - pipeline_creation:create_pipeline
+- pipeline_creation:run_pipeline_schedule
 - pipeline_default:build_coverage
 - pipeline_default:build_trace_sections
 - pipeline_default:pipeline_metrics
diff --git a/app/workers/concerns/project_import_options.rb b/app/workers/concerns/project_import_options.rb
new file mode 100644
index 00000000000..10b971344f7
--- /dev/null
+++ b/app/workers/concerns/project_import_options.rb
@@ -0,0 +1,23 @@
+module ProjectImportOptions
+  extend ActiveSupport::Concern
+
+  included do
+    IMPORT_RETRY_COUNT = 5
+
+    sidekiq_options retry: IMPORT_RETRY_COUNT, status_expiration: StuckImportJobsWorker::IMPORT_JOBS_EXPIRATION
+
+    # We only want to mark the project as failed once we exhausted all retries
+    sidekiq_retries_exhausted do |job|
+      project = Project.find(job['args'].first)
+
+      action = if project.forked?
+                 "fork"
+               else
+                 "import"
+               end
+
+      project.mark_import_as_failed("Every #{action} attempt has failed: #{job['error_message']}. Please try again.")
+      Sidekiq.logger.warn "Failed #{job['class']} with #{job['args']}: #{job['error_message']}"
+    end
+  end
+end
diff --git a/app/workers/concerns/project_start_import.rb b/app/workers/concerns/project_start_import.rb
index 0704ebbb0fd..4e55a1ee3d6 100644
--- a/app/workers/concerns/project_start_import.rb
+++ b/app/workers/concerns/project_start_import.rb
@@ -1,3 +1,4 @@
+# Used in EE by mirroring
 module ProjectStartImport
   def start(project)
     if project.import_started? && project.import_jid == self.jid
diff --git a/app/workers/expire_pipeline_cache_worker.rb b/app/workers/expire_pipeline_cache_worker.rb
index 3e34de22c19..db73d37868a 100644
--- a/app/workers/expire_pipeline_cache_worker.rb
+++ b/app/workers/expire_pipeline_cache_worker.rb
@@ -13,7 +13,7 @@ class ExpirePipelineCacheWorker
 
     store.touch(project_pipelines_path(project))
     store.touch(project_pipeline_path(project, pipeline))
-    store.touch(commit_pipelines_path(project, pipeline.commit)) if pipeline.commit
+    store.touch(commit_pipelines_path(project, pipeline.commit)) unless pipeline.commit.nil?
     store.touch(new_merge_request_pipelines_path(project))
     each_pipelines_merge_request_path(project, pipeline) do |path|
       store.touch(path)
diff --git a/app/workers/repository_fork_worker.rb b/app/workers/repository_fork_worker.rb
index a07ef1705a1..d1c57b82681 100644
--- a/app/workers/repository_fork_worker.rb
+++ b/app/workers/repository_fork_worker.rb
@@ -1,11 +1,8 @@
 class RepositoryForkWorker
-  ForkError = Class.new(StandardError)
-
   include ApplicationWorker
   include Gitlab::ShellAdapter
   include ProjectStartImport
-
-  sidekiq_options status_expiration: StuckImportJobsWorker::IMPORT_JOBS_EXPIRATION
+  include ProjectImportOptions
 
   def perform(project_id, forked_from_repository_storage_path, source_disk_path)
     project = Project.find(project_id)
@@ -18,20 +15,12 @@ class RepositoryForkWorker
 
     result = gitlab_shell.fork_repository(forked_from_repository_storage_path, source_disk_path,
                                           project.repository_storage_path, project.disk_path)
-    raise ForkError, "Unable to fork project #{project_id} for repository #{source_disk_path} -> #{project.disk_path}" unless result
+    raise "Unable to fork project #{project_id} for repository #{source_disk_path} -> #{project.disk_path}" unless result
 
     project.repository.after_import
-    raise ForkError, "Project #{project_id} had an invalid repository after fork" unless project.valid_repo?
+    raise "Project #{project_id} had an invalid repository after fork" unless project.valid_repo?
 
     project.import_finish
-  rescue ForkError => ex
-    fail_fork(project, ex.message)
-    raise
-  rescue => ex
-    return unless project
-
-    fail_fork(project, ex.message)
-    raise ForkError, "#{ex.class} #{ex.message}"
   end
 
   private
@@ -42,9 +31,4 @@ class RepositoryForkWorker
     Rails.logger.info("Project #{project.full_path} was in inconsistent state (#{project.import_status}) while forking.")
     false
   end
-
-  def fail_fork(project, message)
-    Rails.logger.error(message)
-    project.mark_import_as_failed(message)
-  end
 end
diff --git a/app/workers/repository_import_worker.rb b/app/workers/repository_import_worker.rb
index 55715c83cb1..31e2798c36b 100644
--- a/app/workers/repository_import_worker.rb
+++ b/app/workers/repository_import_worker.rb
@@ -1,11 +1,8 @@
 class RepositoryImportWorker
-  ImportError = Class.new(StandardError)
-
   include ApplicationWorker
   include ExceptionBacktrace
   include ProjectStartImport
-
-  sidekiq_options status_expiration: StuckImportJobsWorker::IMPORT_JOBS_EXPIRATION
+  include ProjectImportOptions
 
   def perform(project_id)
     project = Project.find(project_id)
@@ -23,17 +20,9 @@ class RepositoryImportWorker
     # to those importers to mark the import process as complete.
     return if service.async?
 
-    raise ImportError, result[:message] if result[:status] == :error
+    raise result[:message] if result[:status] == :error
 
     project.after_import
-  rescue ImportError => ex
-    fail_import(project, ex.message)
-    raise
-  rescue => ex
-    return unless project
-
-    fail_import(project, ex.message)
-    raise ImportError, "#{ex.class} #{ex.message}"
   end
 
   private
@@ -44,8 +33,4 @@ class RepositoryImportWorker
     Rails.logger.info("Project #{project.full_path} was in inconsistent state (#{project.import_status}) while importing.")
     false
   end
-
-  def fail_import(project, message)
-    project.mark_import_as_failed(message)
-  end
 end
diff --git a/app/workers/run_pipeline_schedule_worker.rb b/app/workers/run_pipeline_schedule_worker.rb
new file mode 100644
index 00000000000..8f5138fc873
--- /dev/null
+++ b/app/workers/run_pipeline_schedule_worker.rb
@@ -0,0 +1,22 @@
+class RunPipelineScheduleWorker
+  include ApplicationWorker
+  include PipelineQueue
+
+  queue_namespace :pipeline_creation
+
+  def perform(schedule_id, user_id)
+    schedule = Ci::PipelineSchedule.find_by(id: schedule_id)
+    user = User.find_by(id: user_id)
+
+    return unless schedule && user
+
+    run_pipeline_schedule(schedule, user)
+  end
+
+  def run_pipeline_schedule(schedule, user)
+    Ci::CreatePipelineService.new(schedule.project,
+                                  user,
+                                  ref: schedule.ref)
+      .execute(:schedule, ignore_skip_ci: true, save_on_errors: false, schedule: schedule)
+  end
+end
diff --git a/changelogs/unreleased/33028-event-tag-links.yml b/changelogs/unreleased/33028-event-tag-links.yml
new file mode 100644
index 00000000000..1d674200dcd
--- /dev/null
+++ b/changelogs/unreleased/33028-event-tag-links.yml
@@ -0,0 +1,5 @@
+---
+title: Fix tags in the Activity tab not being clickable
+merge_request: 15996
+author: Mario de la Ossa
+type: fixed
diff --git a/changelogs/unreleased/36020-private-npm-modules.yml b/changelogs/unreleased/36020-private-npm-modules.yml
new file mode 100644
index 00000000000..5c2585a602e
--- /dev/null
+++ b/changelogs/unreleased/36020-private-npm-modules.yml
@@ -0,0 +1,5 @@
+---
+title: Do not generate NPM links for private NPM modules in blob view
+merge_request: 16002
+author: Mario de la Ossa
+type: added
diff --git a/changelogs/unreleased/38318-search-merge-requests-with-api.yml b/changelogs/unreleased/38318-search-merge-requests-with-api.yml
new file mode 100644
index 00000000000..d8b2f1f25c8
--- /dev/null
+++ b/changelogs/unreleased/38318-search-merge-requests-with-api.yml
@@ -0,0 +1,5 @@
+---
+title: Add optional search param for Merge Requests API
+merge_request:
+author:
+type: fixed
diff --git a/changelogs/unreleased/39246-fork-and-import-jobs-should-only-be-marked-as-failed-when-the-number-of-retries-was-exhausted.yml b/changelogs/unreleased/39246-fork-and-import-jobs-should-only-be-marked-as-failed-when-the-number-of-retries-was-exhausted.yml
new file mode 100644
index 00000000000..ce238a2c79f
--- /dev/null
+++ b/changelogs/unreleased/39246-fork-and-import-jobs-should-only-be-marked-as-failed-when-the-number-of-retries-was-exhausted.yml
@@ -0,0 +1,5 @@
+---
+title: Only mark import and fork jobs as failed once all Sidekiq retries get exhausted
+merge_request: 15844
+author:
+type: changed
diff --git a/changelogs/unreleased/39298-list-of-avatars-2.yml b/changelogs/unreleased/39298-list-of-avatars-2.yml
new file mode 100644
index 00000000000..e2095561c0e
--- /dev/null
+++ b/changelogs/unreleased/39298-list-of-avatars-2.yml
@@ -0,0 +1,5 @@
+---
+title: List of avatars should never show +1
+merge_request: 15972
+author: Jacopo Beschi @jacopo-beschi
+type: added
diff --git a/changelogs/unreleased/40871-todo-notification-count-shows-notification-without-having-a-todo.yml b/changelogs/unreleased/40871-todo-notification-count-shows-notification-without-having-a-todo.yml
new file mode 100644
index 00000000000..ee196629def
--- /dev/null
+++ b/changelogs/unreleased/40871-todo-notification-count-shows-notification-without-having-a-todo.yml
@@ -0,0 +1,5 @@
+---
+title: Reset todo counters when the target is deleted
+merge_request: 15807
+author:
+type: fixed
diff --git a/changelogs/unreleased/bvl-fix-unlinking-with-lfs-objects.yml b/changelogs/unreleased/bvl-fix-unlinking-with-lfs-objects.yml
new file mode 100644
index 00000000000..058d686e74c
--- /dev/null
+++ b/changelogs/unreleased/bvl-fix-unlinking-with-lfs-objects.yml
@@ -0,0 +1,6 @@
+---
+title: Don't link LFS objects to a project when unlinking forks when they were already
+  linked
+merge_request: 16006
+author:
+type: fixed
diff --git a/changelogs/unreleased/feature-40842-provide-oracles-webgate-cookies-to-jira-requests.yml b/changelogs/unreleased/feature-40842-provide-oracles-webgate-cookies-to-jira-requests.yml
new file mode 100644
index 00000000000..d5ff5bc4627
--- /dev/null
+++ b/changelogs/unreleased/feature-40842-provide-oracles-webgate-cookies-to-jira-requests.yml
@@ -0,0 +1,6 @@
+---
+title: Provide additional cookies to JIRA service requests to allow Oracle WebGates
+  Basic Auth
+merge_request:
+author: Stanislaw Wozniak
+type: changed
diff --git a/changelogs/unreleased/fix-docs-help-shortcut.yml b/changelogs/unreleased/fix-docs-help-shortcut.yml
new file mode 100644
index 00000000000..8c172e44160
--- /dev/null
+++ b/changelogs/unreleased/fix-docs-help-shortcut.yml
@@ -0,0 +1,5 @@
+---
+title: Fix shortcut links on help page
+merge_request:
+author:
+type: fixed
diff --git a/changelogs/unreleased/fix-onion-skin-reenter.yml b/changelogs/unreleased/fix-onion-skin-reenter.yml
new file mode 100644
index 00000000000..66b12c037b0
--- /dev/null
+++ b/changelogs/unreleased/fix-onion-skin-reenter.yml
@@ -0,0 +1,5 @@
+---
+title: Fix onion-skin re-entering state
+merge_request:
+author:
+type: fixed
diff --git a/changelogs/unreleased/fix_build_count_in_pipeline_success_maild.yml b/changelogs/unreleased/fix_build_count_in_pipeline_success_maild.yml
new file mode 100644
index 00000000000..c39bba62271
--- /dev/null
+++ b/changelogs/unreleased/fix_build_count_in_pipeline_success_maild.yml
@@ -0,0 +1,5 @@
+---
+title: fix build count in pipeline success mail
+merge_request: 15827
+author: Christiaan Van den Poel
+type: fixed
diff --git a/changelogs/unreleased/osw-isolate-mr-widget-exposed-attributes.yml b/changelogs/unreleased/osw-isolate-mr-widget-exposed-attributes.yml
new file mode 100644
index 00000000000..6b05713d1a1
--- /dev/null
+++ b/changelogs/unreleased/osw-isolate-mr-widget-exposed-attributes.yml
@@ -0,0 +1,5 @@
+---
+title: Stop sending milestone and labels data over the wire for MR widget requests
+merge_request:
+author:
+type: performance
diff --git a/changelogs/unreleased/remove-links-mr-empty-state.yml b/changelogs/unreleased/remove-links-mr-empty-state.yml
new file mode 100644
index 00000000000..c666bc2c81d
--- /dev/null
+++ b/changelogs/unreleased/remove-links-mr-empty-state.yml
@@ -0,0 +1,5 @@
+---
+title: Remove related links in MR widget when empty state
+merge_request:
+author:
+type: fixed
diff --git a/changelogs/unreleased/sh-add-schedule-pipeline-run-now.yml b/changelogs/unreleased/sh-add-schedule-pipeline-run-now.yml
new file mode 100644
index 00000000000..6d06f695f10
--- /dev/null
+++ b/changelogs/unreleased/sh-add-schedule-pipeline-run-now.yml
@@ -0,0 +1,5 @@
+---
+title: Add button to run scheduled pipeline immediately
+merge_request:
+author:
+type: added
diff --git a/changelogs/unreleased/show-inline-edit-btn.yml b/changelogs/unreleased/show-inline-edit-btn.yml
new file mode 100644
index 00000000000..8cfe9b7d75a
--- /dev/null
+++ b/changelogs/unreleased/show-inline-edit-btn.yml
@@ -0,0 +1,5 @@
+---
+title: Move edit button to second row on issue page (and change it to a pencil icon)
+merge_request:
+author:
+type: changed
diff --git a/changelogs/unreleased/winh-translate-contributors-page-dates.yml b/changelogs/unreleased/winh-translate-contributors-page-dates.yml
new file mode 100644
index 00000000000..74801bbd86e
--- /dev/null
+++ b/changelogs/unreleased/winh-translate-contributors-page-dates.yml
@@ -0,0 +1,5 @@
+---
+title: Translate date ranges on contributors page
+merge_request: 15846
+author:
+type: changed
diff --git a/changelogs/unreleased/zj-empty-repo-importer.yml b/changelogs/unreleased/zj-empty-repo-importer.yml
new file mode 100644
index 00000000000..71d50af9a04
--- /dev/null
+++ b/changelogs/unreleased/zj-empty-repo-importer.yml
@@ -0,0 +1,5 @@
+---
+title: Fix GitHub importer using removed interface
+merge_request:
+author:
+type: fixed
diff --git a/config/routes/project.rb b/config/routes/project.rb
index 093da10f57f..239b5480321 100644
--- a/config/routes/project.rb
+++ b/config/routes/project.rb
@@ -179,6 +179,7 @@ constraints(ProjectUrlConstrainer.new) do
 
       resources :pipeline_schedules, except: [:show] do
         member do
+          post :play
           post :take_ownership
         end
       end
diff --git a/config/webpack.config.js b/config/webpack.config.js
index 78ced4c3e8c..d8797bbf4d3 100644
--- a/config/webpack.config.js
+++ b/config/webpack.config.js
@@ -32,10 +32,10 @@ var config = {
     boards:               './boards/boards_bundle.js',
     common:               './commons/index.js',
     common_vue:           './vue_shared/vue_resource_interceptor.js',
-    common_d3:            ['d3'],
     cycle_analytics:      './cycle_analytics/cycle_analytics_bundle.js',
     commit_pipelines:     './commit/pipelines/pipelines_bundle.js',
     deploy_keys:          './deploy_keys/index.js',
+    docs:                 './docs/docs_bundle.js',
     diff_notes:           './diff_notes/diff_notes_bundle.js',
     environments:         './environments/environments_bundle.js',
     environments_folder:  './environments/folder/environments_folder_bundle.js',
@@ -224,6 +224,9 @@ var config = {
         'monitoring',
         'users',
       ],
+      minChunks: function (module, count) {
+        return module.resource && /d3-/.test(module.resource);
+      },
     }),
 
     // create cacheable common library bundles
diff --git a/db/migrate/20171106135924_issues_milestone_id_foreign_key.rb b/db/migrate/20171106135924_issues_milestone_id_foreign_key.rb
index e6a780d0964..bfb3dcae511 100644
--- a/db/migrate/20171106135924_issues_milestone_id_foreign_key.rb
+++ b/db/migrate/20171106135924_issues_milestone_id_foreign_key.rb
@@ -16,6 +16,7 @@ class IssuesMilestoneIdForeignKey < ActiveRecord::Migration
 
     def self.with_orphaned_milestones
       where('NOT EXISTS (SELECT true FROM milestones WHERE milestones.id = issues.milestone_id)')
+        .where('milestone_id IS NOT NULL')
     end
   end
 
diff --git a/doc/administration/high_availability/gitlab.md b/doc/administration/high_availability/gitlab.md
index 42666357faf..b85a166089d 100644
--- a/doc/administration/high_availability/gitlab.md
+++ b/doc/administration/high_availability/gitlab.md
@@ -1,6 +1,6 @@
 # Configuring GitLab for HA
 
-Assuming you have already configured a database, Redis, and NFS, you can
+Assuming you have already configured a [database](database.md), [Redis](redis.md), and [NFS](nfs.md), you can
 configure the GitLab application server(s) now. Complete the steps below
 for each GitLab application server in your environment.
 
@@ -48,34 +48,33 @@ for each GitLab application server in your environment.
    data locations. See [NFS documentation](nfs.md) for `/etc/gitlab/gitlab.rb`
    configuration values for various scenarios. The example below assumes you've
    added NFS mounts in the default data locations.
-    
+
     ```ruby
     external_url 'https://gitlab.example.com'
 
     # Prevent GitLab from starting if NFS data mounts are not available
     high_availability['mountpoint'] = '/var/opt/gitlab/git-data'
-    
+
     # Disable components that will not be on the GitLab application server
-    postgresql['enable'] = false
-    redis['enable'] = false
-    
+    roles ['application_role']
+
     # PostgreSQL connection details
     gitlab_rails['db_adapter'] = 'postgresql'
     gitlab_rails['db_encoding'] = 'unicode'
     gitlab_rails['db_host'] = '10.1.0.5' # IP/hostname of database server
     gitlab_rails['db_password'] = 'DB password'
-    
+
     # Redis connection details
     gitlab_rails['redis_port'] = '6379'
     gitlab_rails['redis_host'] = '10.1.0.6' # IP/hostname of Redis server
     gitlab_rails['redis_password'] = 'Redis Password'
     ```
-    
-    > **Note:** To maintain uniformity of links across HA clusters, the `external_url` 
-    on the first application server as well as the additional application 
-    servers should point to the external url that users will use to access GitLab. 
+
+    > **Note:** To maintain uniformity of links across HA clusters, the `external_url`
+    on the first application server as well as the additional application
+    servers should point to the external url that users will use to access GitLab.
     In a typical HA setup, this will be the url of the load balancer which will
-    route traffic to all GitLab application servers in the HA cluster. 
+    route traffic to all GitLab application servers in the HA cluster.
 
 1. Run `sudo gitlab-ctl reconfigure` to compile the configuration.
 
diff --git a/doc/api/merge_requests.md b/doc/api/merge_requests.md
index 880b0ed2c65..4d3592e8f71 100644
--- a/doc/api/merge_requests.md
+++ b/doc/api/merge_requests.md
@@ -47,6 +47,7 @@ Parameters:
 | `author_id`         | integer  | no       | Returns merge requests created by the given user `id`. Combine with `scope=all` or `scope=assigned-to-me`              |
 | `assignee_id`       | integer  | no       | Returns merge requests assigned to the given user `id`                                                                 |
 | `my_reaction_emoji` | string   | no       | Return merge requests reacted by the authenticated user by the given `emoji` _([Introduced][ce-14016] in GitLab 10.0)_ |
+| `search`            | string   | no       | Search merge requests against their `title` and `description`                                                          |
 
 ```json
 [
@@ -161,6 +162,7 @@ Parameters:
 | `author_id`         | integer        | no       | Returns merge requests created by the given user `id` _([Introduced][ce-13060] in GitLab 9.5)_                                 |
 | `assignee_id`       | integer        | no       | Returns merge requests assigned to the given user `id` _([Introduced][ce-13060] in GitLab 9.5)_                                |
 | `my_reaction_emoji` | string         | no       | Return merge requests reacted by the authenticated user by the given `emoji` _([Introduced][ce-14016] in GitLab 10.0)_         |
+| `search`            | string         | no       | Search merge requests against their `title` and `description`                                                                  |
 
 ```json
 [
diff --git a/doc/articles/laravel_with_gitlab_and_envoy/index.md b/doc/articles/laravel_with_gitlab_and_envoy/index.md
index e0d8fb8d081..b20bd8c247a 100644
--- a/doc/articles/laravel_with_gitlab_and_envoy/index.md
+++ b/doc/articles/laravel_with_gitlab_and_envoy/index.md
@@ -502,8 +502,8 @@ stages:
 unit_test:
   stage: test
   script:
-    - composer install
     - cp .env.example .env
+    - composer install
     - php artisan key:generate
     - php artisan migrate
     - vendor/bin/phpunit
diff --git a/doc/development/fe_guide/axios.md b/doc/development/fe_guide/axios.md
index 962fe3dcec9..1daa6758171 100644
--- a/doc/development/fe_guide/axios.md
+++ b/doc/development/fe_guide/axios.md
@@ -11,7 +11,7 @@ This exported module should be used instead of directly using `axios` to ensure
 
 ## Usage
 ```javascript
-  import axios from '~/lib/utils/axios_utils';
+  import axios from './lib/utils/axios_utils';
 
   axios.get(url)
     .then((response) => {
diff --git a/doc/development/i18n/externalization.md b/doc/development/i18n/externalization.md
index 43b996d9395..f493ad4ae66 100644
--- a/doc/development/i18n/externalization.md
+++ b/doc/development/i18n/externalization.md
@@ -262,6 +262,21 @@ Sometimes you need to add some context to the text that you want to translate
     s__('OpenedNDaysAgo|Opened')
     ```
 
+### Dates / times
+
+- In JavaScript:
+
+```js
+import { createDateTimeFormat } from '.../locale';
+
+const dateFormat = createDateTimeFormat({ year: 'numeric', month: 'long', day: 'numeric' });
+console.log(dateFormat.format(new Date('2063-04-05'))) // April 5, 2063
+```
+
+This makes use of [`Intl.DateTimeFormat`].
+
+[`Intl.DateTimeFormat`]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat
+
 ## Adding a new language
 
 Let's suppose you want to add translations for a new language, let's say French.
diff --git a/doc/development/i18n/index.md b/doc/development/i18n/index.md
index 4cb2624c098..8aa0462d213 100644
--- a/doc/development/i18n/index.md
+++ b/doc/development/i18n/index.md
@@ -59,6 +59,7 @@ Requests to become a proof reader will be considered on the merits of previous t
 - French
 - German
 - Italian
+  - [Paolo Falomo](https://crowdin.com/profile/paolo.falomo)
 - Japanese
 - Korean
   - [Huang Tao](https://crowdin.com/profile/htve)
diff --git a/doc/user/project/integrations/jira.md b/doc/user/project/integrations/jira.md
index 93aec56f8dc..7dc234a9759 100644
--- a/doc/user/project/integrations/jira.md
+++ b/doc/user/project/integrations/jira.md
@@ -98,6 +98,9 @@ password as they will be needed when configuring GitLab in the next section.
 - GitLab 8.14 introduced a new way to integrate with JIRA which greatly simplified
   the configuration options you have to enter. If you are using an older version,
   [follow this documentation][jira-repo-old-docs].
+- In order to support Oracle's Access Manager, GitLab will send additional cookies
+  to enable Basic Auth. The cookie being added to each request is `OBBasicAuth` with
+  a value of `fromDialog`.
 
 To enable JIRA integration in a project, navigate to the
 [Integrations page](project_services.md#accessing-the-project-services), click
diff --git a/doc/workflow/lfs/manage_large_binaries_with_git_lfs.md b/doc/workflow/lfs/manage_large_binaries_with_git_lfs.md
index 6adde447975..195285f9157 100644
--- a/doc/workflow/lfs/manage_large_binaries_with_git_lfs.md
+++ b/doc/workflow/lfs/manage_large_binaries_with_git_lfs.md
@@ -163,3 +163,11 @@ For Windows, you can use `wincred` or Microsoft's [Git Credential Manager for Wi
 
 More details about various methods of storing the user credentials can be found
 on [Git Credential Storage documentation](https://git-scm.com/book/en/v2/Git-Tools-Credential-Storage).
+
+### LFS objects are missing on push
+
+GitLab checks files to detect LFS pointers on push. If LFS pointers are detected, GitLab tries to verify that those files already exist in LFS on GitLab.
+
+Verify that LFS in installed locally and consider a manual push with `git lfs push --all`.
+
+If you are storing LFS files outside of GitLab you can disable LFS on the project by settting `lfs_enabled: false` with the [projets api](../../api/projects.md#edit-project).
diff --git a/lib/api/issues.rb b/lib/api/issues.rb
index 5f943ba27d1..b29c5848aef 100644
--- a/lib/api/issues.rb
+++ b/lib/api/issues.rb
@@ -8,7 +8,7 @@ module API
 
     helpers do
       def find_issues(args = {})
-        args = params.merge(args)
+        args = declared_params.merge(args)
 
         args.delete(:id)
         args[:milestone_title] = args.delete(:milestone)
diff --git a/lib/api/merge_requests.rb b/lib/api/merge_requests.rb
index d34886fca2e..02f2b75ab9d 100644
--- a/lib/api/merge_requests.rb
+++ b/lib/api/merge_requests.rb
@@ -8,7 +8,7 @@ module API
 
     helpers do
       def find_merge_requests(args = {})
-        args = params.merge(args)
+        args = declared_params.merge(args)
 
         args[:milestone_title] = args.delete(:milestone)
         args[:label_name] = args.delete(:labels)
@@ -41,6 +41,7 @@ module API
         optional :scope, type: String, values: %w[created-by-me assigned-to-me all],
                          desc: 'Return merge requests for the given scope: `created-by-me`, `assigned-to-me` or `all`'
         optional :my_reaction_emoji, type: String, desc: 'Return issues reacted by the authenticated user by the given emoji'
+        optional :search, type: String, desc: 'Search merge requests for text present in the title or description'
         use :pagination
       end
     end
diff --git a/lib/api/time_tracking_endpoints.rb b/lib/api/time_tracking_endpoints.rb
index df4632346dd..2bb451dea89 100644
--- a/lib/api/time_tracking_endpoints.rb
+++ b/lib/api/time_tracking_endpoints.rb
@@ -85,7 +85,7 @@ module API
 
         update_issuable(spend_time: {
           duration: Gitlab::TimeTrackingFormatter.parse(params.delete(:duration)),
-          user: current_user
+          user_id: current_user.id
         })
       end
 
@@ -97,7 +97,7 @@ module API
         authorize! update_issuable_key, load_issuable
 
         status :ok
-        update_issuable(spend_time: { duration: :reset, user: current_user })
+        update_issuable(spend_time: { duration: :reset, user_id: current_user.id })
       end
 
       desc "Show time stats for a project #{issuable_name}"
diff --git a/lib/api/v3/time_tracking_endpoints.rb b/lib/api/v3/time_tracking_endpoints.rb
index d5b90e435ba..1aad39815f9 100644
--- a/lib/api/v3/time_tracking_endpoints.rb
+++ b/lib/api/v3/time_tracking_endpoints.rb
@@ -86,7 +86,7 @@ module API
 
           update_issuable(spend_time: {
                             duration: Gitlab::TimeTrackingFormatter.parse(params.delete(:duration)),
-                            user: current_user
+                            user_id: current_user.id
                           })
         end
 
@@ -98,7 +98,7 @@ module API
           authorize! update_issuable_key, load_issuable
 
           status :ok
-          update_issuable(spend_time: { duration: :reset, user: current_user })
+          update_issuable(spend_time: { duration: :reset, user_id: current_user.id })
         end
 
         desc "Show time stats for a project #{issuable_name}"
diff --git a/lib/gitlab/action_rate_limiter.rb b/lib/gitlab/action_rate_limiter.rb
new file mode 100644
index 00000000000..4cd3bdefda3
--- /dev/null
+++ b/lib/gitlab/action_rate_limiter.rb
@@ -0,0 +1,47 @@
+module Gitlab
+  # This class implements a simple rate limiter that can be used to throttle
+  # certain actions. Unlike Rack Attack and Rack::Throttle, which operate at
+  # the middleware level, this can be used at the controller level.
+  class ActionRateLimiter
+    TIME_TO_EXPIRE = 60 # 1 min
+
+    attr_accessor :action, :expiry_time
+
+    def initialize(action:, expiry_time: TIME_TO_EXPIRE)
+      @action = action
+      @expiry_time = expiry_time
+    end
+
+    # Increments the given cache key and increments the value by 1 with the
+    # given expiration time. Returns the incremented value.
+    #
+    # key - An array of ActiveRecord instances
+    def increment(key)
+      value = 0
+
+      Gitlab::Redis::Cache.with do |redis|
+        cache_key = action_key(key)
+        value = redis.incr(cache_key)
+        redis.expire(cache_key, expiry_time) if value == 1
+      end
+
+      value
+    end
+
+    # Increments the given key and returns true if the action should
+    # be throttled.
+    #
+    # key - An array of ActiveRecord instances
+    # threshold_value - The maximum number of times this action should occur in the given time interval
+    def throttled?(key, threshold_value)
+      self.increment(key) > threshold_value
+    end
+
+    private
+
+    def action_key(key)
+      serialized = key.map { |obj| "#{obj.class.model_name.to_s.underscore}:#{obj.id}" }.join(":")
+      "action_rate_limiter:#{action}:#{serialized}"
+    end
+  end
+end
diff --git a/lib/gitlab/git/commit.rb b/lib/gitlab/git/commit.rb
index e90b158fb34..145721dea76 100644
--- a/lib/gitlab/git/commit.rb
+++ b/lib/gitlab/git/commit.rb
@@ -228,6 +228,19 @@ module Gitlab
             end
           end
         end
+
+        # Only to be used when the object ids will not necessarily have a
+        # relation to each other. The last 10 commits for a branch for example,
+        # should go through .where
+        def batch_by_oid(repo, oids)
+          repo.gitaly_migrate(:list_commits_by_oid) do |is_enabled|
+            if is_enabled
+              repo.gitaly_commit_client.list_commits_by_oid(oids)
+            else
+              oids.map { |oid| find(repo, oid) }.compact
+            end
+          end
+        end
       end
 
       def initialize(repository, raw_commit, head = nil)
diff --git a/lib/gitlab/git/repository.rb b/lib/gitlab/git/repository.rb
index 848a782446a..044c60caa05 100644
--- a/lib/gitlab/git/repository.rb
+++ b/lib/gitlab/git/repository.rb
@@ -1101,17 +1101,12 @@ module Gitlab
         end
       end
 
-      def write_ref(ref_path, ref, force: false)
+      def write_ref(ref_path, ref)
         raise ArgumentError, "invalid ref_path #{ref_path.inspect}" if ref_path.include?(' ')
         raise ArgumentError, "invalid ref #{ref.inspect}" if ref.include?("\x00")
 
-        ref = "refs/heads/#{ref}" unless ref.start_with?("refs") || ref =~ /\A[a-f0-9]+\z/i
-
-        rugged.references.create(ref_path, ref, force: force)
-      rescue Rugged::ReferenceError => ex
-        raise GitError, "could not create ref #{ref_path}: #{ex}"
-      rescue Rugged::OSError => ex
-        raise GitError, "could not create ref #{ref_path}: #{ex}"
+        input = "update #{ref_path}\x00#{ref}\x00\x00"
+        run_git!(%w[update-ref --stdin -z]) { |stdin| stdin.write(input) }
       end
 
       def fetch_ref(source_repository, source_ref:, target_ref:)
diff --git a/lib/gitlab/gitaly_client/commit_service.rb b/lib/gitlab/gitaly_client/commit_service.rb
index 7985f5b5457..fb3e27770b4 100644
--- a/lib/gitlab/gitaly_client/commit_service.rb
+++ b/lib/gitlab/gitaly_client/commit_service.rb
@@ -169,6 +169,15 @@ module Gitlab
         consume_commits_response(response)
       end
 
+      def list_commits_by_oid(oids)
+        request = Gitaly::ListCommitsByOidRequest.new(repository: @gitaly_repo, oid: oids)
+
+        response = GitalyClient.call(@repository.storage, :commit_service, :list_commits_by_oid, request, timeout: GitalyClient.medium_timeout)
+        consume_commits_response(response)
+      rescue GRPC::Unknown # If no repository is found, happens mainly during testing
+        []
+      end
+
       def commits_by_message(query, revision: '', path: '', limit: 1000, offset: 0)
         request = Gitaly::CommitsByMessageRequest.new(
           repository: @gitaly_repo,
diff --git a/lib/gitlab/github_import/importer/repository_importer.rb b/lib/gitlab/github_import/importer/repository_importer.rb
index 9cf2e7fd871..7dd68a0d1cd 100644
--- a/lib/gitlab/github_import/importer/repository_importer.rb
+++ b/lib/gitlab/github_import/importer/repository_importer.rb
@@ -29,7 +29,7 @@ module Gitlab
             # this code, e.g. because we had to retry this job after
             # `import_wiki?` raised a rate limit error. In this case we'll skip
             # re-importing the main repository.
-            if project.repository.empty_repo?
+            if project.empty_repo?
               import_repository
             else
               true
diff --git a/package.json b/package.json
index 9e816e007ee..a5bf2309a0f 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,14 @@
     "core-js": "^2.4.1",
     "cropper": "^2.3.0",
     "css-loader": "^0.28.0",
-    "d3": "^3.5.11",
+    "d3-array": "^1.2.1",
+    "d3-axis": "^1.0.8",
+    "d3-brush": "^1.0.4",
+    "d3-scale": "^1.0.7",
+    "d3-selection": "^1.2.0",
+    "d3-shape": "^1.2.0",
+    "d3-time": "^1.0.8",
+    "d3-time-format": "^2.1.1",
     "deckar01-task_list": "^2.0.0",
     "diff": "^3.4.0",
     "document-register-element": "1.3.0",
diff --git a/qa/README.md b/qa/README.md
index 1cfbbdd9d42..7f2dd39ff63 100644
--- a/qa/README.md
+++ b/qa/README.md
@@ -33,7 +33,14 @@ You can also supply specific tests to run as another parameter. For example, to
 test the EE license specs, you can run:
 
 ```
-EE_LICENSE="<YOUR LICENSE KEY>" bin/qa Test::Instance http://localhost qa/ee
+EE_LICENSE="<YOUR LICENSE KEY>" bin/qa Test::Instance http://localhost qa/specs/features/ee
+```
+
+Since the arguments would be passed to `rspec`, you could use all `rspec`
+options there. For example, passing `--backtrace` and also line number:
+
+```
+bin/qa Test::Instance http://localhost qa/specs/features/login/standard_spec.rb:3 --backtrace
 ```
 
 ### Overriding the authenticated user
diff --git a/scripts/gitaly-test-spawn b/scripts/gitaly-test-spawn
index 8e05eca8d7e..ecb68c6acc6 100755
--- a/scripts/gitaly-test-spawn
+++ b/scripts/gitaly-test-spawn
@@ -1,7 +1,8 @@
 #!/usr/bin/env ruby
 
 gitaly_dir = 'tmp/tests/gitaly'
-env = { 'HOME' => File.expand_path('tmp/tests') }
+env = { 'HOME' => File.expand_path('tmp/tests'),
+        'GEM_PATH' => Gem.path.join(':') }
 args = %W[#{gitaly_dir}/gitaly #{gitaly_dir}/config.toml]
 
 # Print the PID of the spawned process
diff --git a/spec/controllers/projects/issues_controller_spec.rb b/spec/controllers/projects/issues_controller_spec.rb
index c5d08cb0b9d..a2ef937609b 100644
--- a/spec/controllers/projects/issues_controller_spec.rb
+++ b/spec/controllers/projects/issues_controller_spec.rb
@@ -874,7 +874,7 @@ describe Projects::IssuesController do
       end
 
       it 'delegates the update of the todos count cache to TodoService' do
-        expect_any_instance_of(TodoService).to receive(:destroy_issuable).with(issue, owner).once
+        expect_any_instance_of(TodoService).to receive(:destroy_target).with(issue).once
 
         delete :destroy, namespace_id: project.namespace, project_id: project, id: issue.iid
       end
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index 51d5d6a52b3..58116e6e0fe 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -91,11 +91,11 @@ describe Projects::MergeRequestsController do
         end
       end
 
-      context 'without basic serializer param' do
-        it 'renders the merge request in the json format' do
-          go(format: :json)
+      context 'with widget serializer param' do
+        it 'renders widget MR entity as json' do
+          go(serializer: 'widget', format: :json)
 
-          expect(response).to match_response_schema('entities/merge_request')
+          expect(response).to match_response_schema('entities/merge_request_widget')
         end
       end
     end
@@ -468,7 +468,7 @@ describe Projects::MergeRequestsController do
       end
 
       it 'delegates the update of the todos count cache to TodoService' do
-        expect_any_instance_of(TodoService).to receive(:destroy_issuable).with(merge_request, owner).once
+        expect_any_instance_of(TodoService).to receive(:destroy_target).with(merge_request).once
 
         delete :destroy, namespace_id: project.namespace, project_id: project, id: merge_request.iid
       end
diff --git a/spec/controllers/projects/pipeline_schedules_controller_spec.rb b/spec/controllers/projects/pipeline_schedules_controller_spec.rb
index 4e52e261920..966ffdf6996 100644
--- a/spec/controllers/projects/pipeline_schedules_controller_spec.rb
+++ b/spec/controllers/projects/pipeline_schedules_controller_spec.rb
@@ -3,10 +3,12 @@ require 'spec_helper'
 describe Projects::PipelineSchedulesController do
   include AccessMatchersForController
 
-  set(:project) { create(:project, :public) }
-  let!(:pipeline_schedule) { create(:ci_pipeline_schedule, project: project) }
+  set(:project) { create(:project, :public, :repository) }
+  set(:pipeline_schedule) { create(:ci_pipeline_schedule, project: project) }
 
   describe 'GET #index' do
+    render_views
+
     let(:scope) { nil }
     let!(:inactive_pipeline_schedule) do
       create(:ci_pipeline_schedule, :inactive, project: project)
@@ -96,7 +98,7 @@ describe Projects::PipelineSchedulesController do
         end
       end
 
-      context 'when variables_attributes has two variables and duplicted' do
+      context 'when variables_attributes has two variables and duplicated' do
         let(:schedule) do
           basic_param.merge({
             variables_attributes: [{ key: 'AAA', value: 'AAA123' }, { key: 'AAA', value: 'BBB123' }]
@@ -364,6 +366,65 @@ describe Projects::PipelineSchedulesController do
     end
   end
 
+  describe 'POST #play', :clean_gitlab_redis_cache do
+    set(:user) { create(:user) }
+    let(:ref) { 'master' }
+
+    before do
+      project.add_developer(user)
+
+      sign_in(user)
+    end
+
+    context 'when an anonymous user makes the request' do
+      before do
+        sign_out(user)
+      end
+
+      it 'does not allow pipeline to be executed' do
+        expect(RunPipelineScheduleWorker).not_to receive(:perform_async)
+
+        post :play, namespace_id: project.namespace.to_param, project_id: project, id: pipeline_schedule.id
+
+        expect(response).to have_gitlab_http_status(404)
+      end
+    end
+
+    context 'when a developer makes the request' do
+      it 'executes a new pipeline' do
+        expect(RunPipelineScheduleWorker).to receive(:perform_async).with(pipeline_schedule.id, user.id).and_return('job-123')
+
+        post :play, namespace_id: project.namespace.to_param, project_id: project, id: pipeline_schedule.id
+
+        expect(flash[:notice]).to start_with 'Successfully scheduled a pipeline to run'
+        expect(response).to have_gitlab_http_status(302)
+      end
+
+      it 'prevents users from scheduling the same pipeline repeatedly' do
+        2.times do
+          post :play, namespace_id: project.namespace.to_param, project_id: project, id: pipeline_schedule.id
+        end
+
+        expect(flash.to_a.size).to eq(2)
+        expect(flash[:alert]).to eq 'You cannot play this scheduled pipeline at the moment. Please wait a minute.'
+        expect(response).to have_gitlab_http_status(302)
+      end
+    end
+
+    context 'when a developer attempts to schedule a protected ref' do
+      it 'does not allow pipeline to be executed' do
+        create(:protected_branch, project: project, name: ref)
+        protected_schedule = create(:ci_pipeline_schedule, project: project, ref: ref)
+
+        expect(RunPipelineScheduleWorker).not_to receive(:perform_async)
+
+        post :play, namespace_id: project.namespace.to_param, project_id: project, id: protected_schedule.id
+
+        expect(response).to have_gitlab_http_status(404)
+      end
+    end
+  end
+
   describe 'DELETE #destroy' do
     set(:user) { create(:user) }
 
diff --git a/spec/controllers/projects/pipelines_controller_spec.rb b/spec/controllers/projects/pipelines_controller_spec.rb
index 1604a2da485..35ac999cc65 100644
--- a/spec/controllers/projects/pipelines_controller_spec.rb
+++ b/spec/controllers/projects/pipelines_controller_spec.rb
@@ -17,13 +17,10 @@ describe Projects::PipelinesController do
 
   describe 'GET index.json' do
     before do
-      branch_head = project.commit
-      parent = branch_head.parent
-
-      create(:ci_empty_pipeline, status: 'pending', project: project, sha: branch_head.id)
-      create(:ci_empty_pipeline, status: 'running', project: project, sha: branch_head.id)
-      create(:ci_empty_pipeline, status: 'created', project: project, sha: parent.id)
-      create(:ci_empty_pipeline, status: 'success', project: project, sha: parent.id)
+      %w(pending running created success).each_with_index do |status, index|
+        sha = project.commit("HEAD~#{index}")
+        create(:ci_empty_pipeline, status: status, project: project, sha: sha)
+      end
     end
 
     subject do
@@ -46,7 +43,7 @@ describe Projects::PipelinesController do
 
     context 'when performing gitaly calls', :request_store do
       it 'limits the Gitaly requests' do
-        expect { subject }.to change { Gitlab::GitalyClient.get_request_count }.by(8)
+        expect { subject }.to change { Gitlab::GitalyClient.get_request_count }.by(3)
       end
     end
   end
diff --git a/spec/features/calendar_spec.rb b/spec/features/calendar_spec.rb
index a9530becb65..70faf28e09d 100644
--- a/spec/features/calendar_spec.rb
+++ b/spec/features/calendar_spec.rb
@@ -12,7 +12,7 @@ feature 'Contributions Calendar', :js do
   issue_params = { title: issue_title }
 
   def get_cell_color_selector(contributions)
-    activity_colors = %w[#ededed #acd5f2 #7fa8c9 #527ba0 #254e77]
+    activity_colors = ["#ededed", "rgb(172, 213, 242)", "rgb(127, 168, 201)", "rgb(82, 123, 160)", "rgb(37, 78, 119)"]
     # We currently don't actually test the cases with contributions >= 20
     activity_colors_index =
       if contributions > 0 && contributions < 10
diff --git a/spec/features/help_pages_spec.rb b/spec/features/help_pages_spec.rb
index ab896a310be..0d04ed612c2 100644
--- a/spec/features/help_pages_spec.rb
+++ b/spec/features/help_pages_spec.rb
@@ -32,6 +32,24 @@ describe 'Help Pages' do
 
       it_behaves_like 'help page', prefix: '/gitlab'
     end
+
+    context 'quick link shortcuts', :js do
+      before do
+        visit help_path
+      end
+
+      it 'focuses search bar' do
+        find('.js-trigger-search-bar').click
+
+        expect(page).to have_selector('#search:focus')
+      end
+
+      it 'opens shortcuts help dialog' do
+        find('.js-trigger-shortcut').click
+
+        expect(page).to have_selector('#modal-shortcuts')
+      end
+    end
   end
 
   context 'in a production environment with version check enabled', :js do
diff --git a/spec/features/issues/issue_detail_spec.rb b/spec/features/issues/issue_detail_spec.rb
index 4224a8fe5d4..babb0285590 100644
--- a/spec/features/issues/issue_detail_spec.rb
+++ b/spec/features/issues/issue_detail_spec.rb
@@ -24,7 +24,7 @@ feature 'Issue Detail', :js do
       visit project_issue_path(project, issue)
       wait_for_requests
 
-      click_link 'Edit'
+      page.find('.js-issuable-edit').click
       fill_in 'issuable-title', with: 'issue title'
       click_button 'Save'
       wait_for_requests
diff --git a/spec/features/issues_spec.rb b/spec/features/issues_spec.rb
index 852d9e368aa..d1ff057a0c6 100644
--- a/spec/features/issues_spec.rb
+++ b/spec/features/issues_spec.rb
@@ -8,729 +8,753 @@ describe 'Issues' do
   let(:user) { create(:user) }
   let(:project) { create(:project, :public) }
 
-  before do
-    sign_in(user)
-    user2 = create(:user)
-
-    project.team << [[user, user2], :developer]
-  end
+  describe 'while user is signed out' do
+    describe 'empty state' do
+      it 'user sees empty state' do
+        visit project_issues_path(project)
 
-  describe 'Edit issue' do
-    let!(:issue) do
-      create(:issue,
-             author: user,
-             assignees: [user],
-             project: project)
+        expect(page).to have_content('Register / Sign In')
+        expect(page).to have_content('The Issue Tracker is the place to add things that need to be improved or solved in a project.')
+        expect(page).to have_content('You can register or sign in to create issues for this project.')
+      end
     end
+  end
 
+  describe 'while user is signed in' do
     before do
-      visit edit_project_issue_path(project, issue)
-      find('.js-zen-enter').click
-    end
-
-    it 'opens new issue popup' do
-      expect(page).to have_content("Issue ##{issue.iid}")
-    end
-  end
+      sign_in(user)
+      user2 = create(:user)
 
-  describe 'Editing issue assignee' do
-    let!(:issue) do
-      create(:issue,
-             author: user,
-             assignees: [user],
-             project: project)
+      project.team << [[user, user2], :developer]
     end
 
-    it 'allows user to select unassigned', :js do
-      visit edit_project_issue_path(project, issue)
-
-      expect(page).to have_content "Assignee #{user.name}"
+    describe 'empty state' do
+      it 'user sees empty state' do
+        visit project_issues_path(project)
 
-      first('.js-user-search').click
-      click_link 'Unassigned'
+        expect(page).to have_content('The Issue Tracker is the place to add things that need to be improved or solved in a project')
+        expect(page).to have_content('Issues can be bugs, tasks or ideas to be discussed. Also, issues are searchable and filterable.')
+        expect(page).to have_content('New issue')
+      end
+    end
 
-      click_button 'Save changes'
+    describe 'Edit issue' do
+      let!(:issue) do
+        create(:issue,
+               author: user,
+               assignees: [user],
+               project: project)
+      end
 
-      page.within('.assignee') do
-        expect(page).to have_content 'No assignee - assign yourself'
+      before do
+        visit edit_project_issue_path(project, issue)
+        find('.js-zen-enter').click
       end
 
-      expect(issue.reload.assignees).to be_empty
+      it 'opens new issue popup' do
+        expect(page).to have_content("Issue ##{issue.iid}")
+      end
     end
-  end
 
-  describe 'due date', :js do
-    context 'on new form' do
-      before do
-        visit new_project_issue_path(project)
+    describe 'Editing issue assignee' do
+      let!(:issue) do
+        create(:issue,
+               author: user,
+               assignees: [user],
+               project: project)
       end
 
-      it 'saves with due date' do
-        date = Date.today.at_beginning_of_month
-
-        fill_in 'issue_title', with: 'bug 345'
-        fill_in 'issue_description', with: 'bug description'
-        find('#issuable-due-date').click
+      it 'allows user to select unassigned', :js do
+        visit edit_project_issue_path(project, issue)
 
-        page.within '.pika-single' do
-          click_button date.day
-        end
+        expect(page).to have_content "Assignee #{user.name}"
 
-        expect(find('#issuable-due-date').value).to eq date.to_s
+        first('.js-user-search').click
+        click_link 'Unassigned'
 
-        click_button 'Submit issue'
+        click_button 'Save changes'
 
-        page.within '.issuable-sidebar' do
-          expect(page).to have_content date.to_s(:medium)
+        page.within('.assignee') do
+          expect(page).to have_content 'No assignee - assign yourself'
         end
+
+        expect(issue.reload.assignees).to be_empty
       end
     end
 
-    context 'on edit form' do
-      let(:issue) { create(:issue, author: user, project: project, due_date: Date.today.at_beginning_of_month.to_s) }
+    describe 'due date', :js do
+      context 'on new form' do
+        before do
+          visit new_project_issue_path(project)
+        end
 
-      before do
-        visit edit_project_issue_path(project, issue)
-      end
+        it 'saves with due date' do
+          date = Date.today.at_beginning_of_month
 
-      it 'saves with due date' do
-        date = Date.today.at_beginning_of_month
+          fill_in 'issue_title', with: 'bug 345'
+          fill_in 'issue_description', with: 'bug description'
+          find('#issuable-due-date').click
 
-        expect(find('#issuable-due-date').value).to eq date.to_s
+          page.within '.pika-single' do
+            click_button date.day
+          end
 
-        date = date.tomorrow
+          expect(find('#issuable-due-date').value).to eq date.to_s
 
-        fill_in 'issue_title', with: 'bug 345'
-        fill_in 'issue_description', with: 'bug description'
-        find('#issuable-due-date').click
+          click_button 'Submit issue'
 
-        page.within '.pika-single' do
-          click_button date.day
+          page.within '.issuable-sidebar' do
+            expect(page).to have_content date.to_s(:medium)
+          end
         end
+      end
 
-        expect(find('#issuable-due-date').value).to eq date.to_s
+      context 'on edit form' do
+        let(:issue) { create(:issue, author: user, project: project, due_date: Date.today.at_beginning_of_month.to_s) }
 
-        click_button 'Save changes'
-
-        page.within '.issuable-sidebar' do
-          expect(page).to have_content date.to_s(:medium)
+        before do
+          visit edit_project_issue_path(project, issue)
         end
-      end
 
-      it 'warns about version conflict' do
-        issue.update(title: "New title")
+        it 'saves with due date' do
+          date = Date.today.at_beginning_of_month
 
-        fill_in 'issue_title', with: 'bug 345'
-        fill_in 'issue_description', with: 'bug description'
+          expect(find('#issuable-due-date').value).to eq date.to_s
 
-        click_button 'Save changes'
+          date = date.tomorrow
 
-        expect(page).to have_content 'Someone edited the issue the same time you did'
-      end
-    end
-  end
+          fill_in 'issue_title', with: 'bug 345'
+          fill_in 'issue_description', with: 'bug description'
+          find('#issuable-due-date').click
+
+          page.within '.pika-single' do
+            click_button date.day
+          end
 
-  describe 'Issue info' do
-    it 'links to current issue in breadcrubs' do
-      issue = create(:issue, project: project)
+          expect(find('#issuable-due-date').value).to eq date.to_s
 
-      visit project_issue_path(project, issue)
+          click_button 'Save changes'
 
-      expect(find('.breadcrumbs-sub-title a')[:href]).to end_with(issue_path(issue))
-    end
+          page.within '.issuable-sidebar' do
+            expect(page).to have_content date.to_s(:medium)
+          end
+        end
 
-    it 'excludes award_emoji from comment count' do
-      issue = create(:issue, author: user, assignees: [user], project: project, title: 'foobar')
-      create(:award_emoji, awardable: issue)
+        it 'warns about version conflict' do
+          issue.update(title: "New title")
 
-      visit project_issues_path(project, assignee_id: user.id)
+          fill_in 'issue_title', with: 'bug 345'
+          fill_in 'issue_description', with: 'bug description'
 
-      expect(page).to have_content 'foobar'
-      expect(page.all('.no-comments').first.text).to eq "0"
-    end
-  end
+          click_button 'Save changes'
 
-  describe 'Filter issue' do
-    before do
-      %w(foobar barbaz gitlab).each do |title|
-        create(:issue,
-               author: user,
-               assignees: [user],
-               project: project,
-               title: title)
+          expect(page).to have_content 'Someone edited the issue the same time you did'
+        end
       end
-
-      @issue = Issue.find_by(title: 'foobar')
-      @issue.milestone = create(:milestone, project: project)
-      @issue.assignees = []
-      @issue.save
     end
 
-    let(:issue) { @issue }
+    describe 'Issue info' do
+      it 'links to current issue in breadcrubs' do
+        issue = create(:issue, project: project)
 
-    it 'allows filtering by issues with no specified assignee' do
-      visit project_issues_path(project, assignee_id: IssuableFinder::NONE)
+        visit project_issue_path(project, issue)
 
-      expect(page).to have_content 'foobar'
-      expect(page).not_to have_content 'barbaz'
-      expect(page).not_to have_content 'gitlab'
-    end
+        expect(find('.breadcrumbs-sub-title a')[:href]).to end_with(issue_path(issue))
+      end
 
-    it 'allows filtering by a specified assignee' do
-      visit project_issues_path(project, assignee_id: user.id)
+      it 'excludes award_emoji from comment count' do
+        issue = create(:issue, author: user, assignees: [user], project: project, title: 'foobar')
+        create(:award_emoji, awardable: issue)
 
-      expect(page).not_to have_content 'foobar'
-      expect(page).to have_content 'barbaz'
-      expect(page).to have_content 'gitlab'
-    end
-  end
+        visit project_issues_path(project, assignee_id: user.id)
 
-  describe 'filter issue' do
-    titles = %w[foo bar baz]
-    titles.each_with_index do |title, index|
-      let!(title.to_sym) do
-        create(:issue, title: title,
-                       project: project,
-                       created_at: Time.now - (index * 60))
+        expect(page).to have_content 'foobar'
+        expect(page.all('.no-comments').first.text).to eq "0"
       end
     end
-    let(:newer_due_milestone) { create(:milestone, due_date: '2013-12-11') }
-    let(:later_due_milestone) { create(:milestone, due_date: '2013-12-12') }
 
-    it 'sorts by newest' do
-      visit project_issues_path(project, sort: sort_value_created_date)
+    describe 'Filter issue' do
+      before do
+        %w(foobar barbaz gitlab).each do |title|
+          create(:issue,
+                 author: user,
+                 assignees: [user],
+                 project: project,
+                 title: title)
+        end
 
-      expect(first_issue).to include('foo')
-      expect(last_issue).to include('baz')
-    end
+        @issue = Issue.find_by(title: 'foobar')
+        @issue.milestone = create(:milestone, project: project)
+        @issue.assignees = []
+        @issue.save
+      end
 
-    it 'sorts by most recently updated' do
-      baz.updated_at = Time.now + 100
-      baz.save
-      visit project_issues_path(project, sort: sort_value_recently_updated)
+      let(:issue) { @issue }
 
-      expect(first_issue).to include('baz')
-    end
+      it 'allows filtering by issues with no specified assignee' do
+        visit project_issues_path(project, assignee_id: IssuableFinder::NONE)
 
-    describe 'sorting by due date' do
-      before do
-        foo.update(due_date: 1.day.from_now)
-        bar.update(due_date: 6.days.from_now)
+        expect(page).to have_content 'foobar'
+        expect(page).not_to have_content 'barbaz'
+        expect(page).not_to have_content 'gitlab'
       end
 
-      it 'sorts by due date' do
-        visit project_issues_path(project, sort: sort_value_due_date)
+      it 'allows filtering by a specified assignee' do
+        visit project_issues_path(project, assignee_id: user.id)
 
-        expect(first_issue).to include('foo')
+        expect(page).not_to have_content 'foobar'
+        expect(page).to have_content 'barbaz'
+        expect(page).to have_content 'gitlab'
       end
+    end
 
-      it 'sorts by due date by excluding nil due dates' do
-        bar.update(due_date: nil)
+    describe 'filter issue' do
+      titles = %w[foo bar baz]
+      titles.each_with_index do |title, index|
+        let!(title.to_sym) do
+          create(:issue, title: title,
+                         project: project,
+                         created_at: Time.now - (index * 60))
+        end
+      end
+      let(:newer_due_milestone) { create(:milestone, due_date: '2013-12-11') }
+      let(:later_due_milestone) { create(:milestone, due_date: '2013-12-12') }
 
-        visit project_issues_path(project, sort: sort_value_due_date)
+      it 'sorts by newest' do
+        visit project_issues_path(project, sort: sort_value_created_date)
 
         expect(first_issue).to include('foo')
+        expect(last_issue).to include('baz')
       end
 
-      context 'with a filter on labels' do
-        let(:label) { create(:label, project: project) }
+      it 'sorts by most recently updated' do
+        baz.updated_at = Time.now + 100
+        baz.save
+        visit project_issues_path(project, sort: sort_value_recently_updated)
 
+        expect(first_issue).to include('baz')
+      end
+
+      describe 'sorting by due date' do
         before do
-          create(:label_link, label: label, target: foo)
+          foo.update(due_date: 1.day.from_now)
+          bar.update(due_date: 6.days.from_now)
+        end
+
+        it 'sorts by due date' do
+          visit project_issues_path(project, sort: sort_value_due_date)
+
+          expect(first_issue).to include('foo')
         end
 
-        it 'sorts by least recently due date by excluding nil due dates' do
+        it 'sorts by due date by excluding nil due dates' do
           bar.update(due_date: nil)
 
-          visit project_issues_path(project, label_names: [label.name], sort: sort_value_due_date_later)
+          visit project_issues_path(project, sort: sort_value_due_date)
 
           expect(first_issue).to include('foo')
         end
-      end
-    end
 
-    describe 'filtering by due date' do
-      before do
-        foo.update(due_date: 1.day.from_now)
-        bar.update(due_date: 6.days.from_now)
-      end
+        context 'with a filter on labels' do
+          let(:label) { create(:label, project: project) }
+
+          before do
+            create(:label_link, label: label, target: foo)
+          end
+
+          it 'sorts by least recently due date by excluding nil due dates' do
+            bar.update(due_date: nil)
 
-      it 'filters by none' do
-        visit project_issues_path(project, due_date: Issue::NoDueDate.name)
+            visit project_issues_path(project, label_names: [label.name], sort: sort_value_due_date_later)
 
-        page.within '.issues-holder' do
-          expect(page).not_to have_content('foo')
-          expect(page).not_to have_content('bar')
-          expect(page).to have_content('baz')
+            expect(first_issue).to include('foo')
+          end
         end
       end
 
-      it 'filters by any' do
-        visit project_issues_path(project, due_date: Issue::AnyDueDate.name)
+      describe 'filtering by due date' do
+        before do
+          foo.update(due_date: 1.day.from_now)
+          bar.update(due_date: 6.days.from_now)
+        end
+
+        it 'filters by none' do
+          visit project_issues_path(project, due_date: Issue::NoDueDate.name)
 
-        page.within '.issues-holder' do
-          expect(page).to have_content('foo')
-          expect(page).to have_content('bar')
-          expect(page).to have_content('baz')
+          page.within '.issues-holder' do
+            expect(page).not_to have_content('foo')
+            expect(page).not_to have_content('bar')
+            expect(page).to have_content('baz')
+          end
+        end
+
+        it 'filters by any' do
+          visit project_issues_path(project, due_date: Issue::AnyDueDate.name)
+
+          page.within '.issues-holder' do
+            expect(page).to have_content('foo')
+            expect(page).to have_content('bar')
+            expect(page).to have_content('baz')
+          end
         end
-      end
 
-      it 'filters by due this week' do
-        foo.update(due_date: Date.today.beginning_of_week + 2.days)
-        bar.update(due_date: Date.today.end_of_week)
-        baz.update(due_date: Date.today - 8.days)
+        it 'filters by due this week' do
+          foo.update(due_date: Date.today.beginning_of_week + 2.days)
+          bar.update(due_date: Date.today.end_of_week)
+          baz.update(due_date: Date.today - 8.days)
 
-        visit project_issues_path(project, due_date: Issue::DueThisWeek.name)
+          visit project_issues_path(project, due_date: Issue::DueThisWeek.name)
 
-        page.within '.issues-holder' do
-          expect(page).to have_content('foo')
-          expect(page).to have_content('bar')
-          expect(page).not_to have_content('baz')
+          page.within '.issues-holder' do
+            expect(page).to have_content('foo')
+            expect(page).to have_content('bar')
+            expect(page).not_to have_content('baz')
+          end
         end
-      end
 
-      it 'filters by due this month' do
-        foo.update(due_date: Date.today.beginning_of_month + 2.days)
-        bar.update(due_date: Date.today.end_of_month)
-        baz.update(due_date: Date.today - 50.days)
+        it 'filters by due this month' do
+          foo.update(due_date: Date.today.beginning_of_month + 2.days)
+          bar.update(due_date: Date.today.end_of_month)
+          baz.update(due_date: Date.today - 50.days)
 
-        visit project_issues_path(project, due_date: Issue::DueThisMonth.name)
+          visit project_issues_path(project, due_date: Issue::DueThisMonth.name)
 
-        page.within '.issues-holder' do
-          expect(page).to have_content('foo')
-          expect(page).to have_content('bar')
-          expect(page).not_to have_content('baz')
+          page.within '.issues-holder' do
+            expect(page).to have_content('foo')
+            expect(page).to have_content('bar')
+            expect(page).not_to have_content('baz')
+          end
         end
-      end
 
-      it 'filters by overdue' do
-        foo.update(due_date: Date.today + 2.days)
-        bar.update(due_date: Date.today + 20.days)
-        baz.update(due_date: Date.yesterday)
+        it 'filters by overdue' do
+          foo.update(due_date: Date.today + 2.days)
+          bar.update(due_date: Date.today + 20.days)
+          baz.update(due_date: Date.yesterday)
 
-        visit project_issues_path(project, due_date: Issue::Overdue.name)
+          visit project_issues_path(project, due_date: Issue::Overdue.name)
 
-        page.within '.issues-holder' do
-          expect(page).not_to have_content('foo')
-          expect(page).not_to have_content('bar')
-          expect(page).to have_content('baz')
+          page.within '.issues-holder' do
+            expect(page).not_to have_content('foo')
+            expect(page).not_to have_content('bar')
+            expect(page).to have_content('baz')
+          end
         end
       end
-    end
 
-    describe 'sorting by milestone' do
-      before do
-        foo.milestone = newer_due_milestone
-        foo.save
-        bar.milestone = later_due_milestone
-        bar.save
-      end
+      describe 'sorting by milestone' do
+        before do
+          foo.milestone = newer_due_milestone
+          foo.save
+          bar.milestone = later_due_milestone
+          bar.save
+        end
 
-      it 'sorts by milestone' do
-        visit project_issues_path(project, sort: sort_value_milestone)
+        it 'sorts by milestone' do
+          visit project_issues_path(project, sort: sort_value_milestone)
 
-        expect(first_issue).to include('foo')
-        expect(last_issue).to include('baz')
+          expect(first_issue).to include('foo')
+          expect(last_issue).to include('baz')
+        end
       end
-    end
 
-    describe 'combine filter and sort' do
-      let(:user2) { create(:user) }
+      describe 'combine filter and sort' do
+        let(:user2) { create(:user) }
 
-      before do
-        foo.assignees << user2
-        foo.save
-        bar.assignees << user2
-        bar.save
-      end
+        before do
+          foo.assignees << user2
+          foo.save
+          bar.assignees << user2
+          bar.save
+        end
 
-      it 'sorts with a filter applied' do
-        visit project_issues_path(project, sort: sort_value_created_date, assignee_id: user2.id)
+        it 'sorts with a filter applied' do
+          visit project_issues_path(project, sort: sort_value_created_date, assignee_id: user2.id)
 
-        expect(first_issue).to include('foo')
-        expect(last_issue).to include('bar')
-        expect(page).not_to have_content('baz')
+          expect(first_issue).to include('foo')
+          expect(last_issue).to include('bar')
+          expect(page).not_to have_content('baz')
+        end
       end
     end
-  end
 
-  describe 'when I want to reset my incoming email token' do
-    let(:project1) { create(:project, namespace: user.namespace) }
-    let!(:issue) { create(:issue, project: project1) }
+    describe 'when I want to reset my incoming email token' do
+      let(:project1) { create(:project, namespace: user.namespace) }
+      let!(:issue) { create(:issue, project: project1) }
 
-    before do
-      stub_incoming_email_setting(enabled: true, address: "p+%{key}@gl.ab")
-      project1.team << [user, :master]
-      visit namespace_project_issues_path(user.namespace, project1)
-    end
+      before do
+        stub_incoming_email_setting(enabled: true, address: "p+%{key}@gl.ab")
+        project1.team << [user, :master]
+        visit namespace_project_issues_path(user.namespace, project1)
+      end
 
-    it 'changes incoming email address token', :js do
-      find('.issuable-email-modal-btn').click
-      previous_token = find('input#issuable_email').value
-      find('.incoming-email-token-reset').click
+      it 'changes incoming email address token', :js do
+        find('.issuable-email-modal-btn').click
+        previous_token = find('input#issuable_email').value
+        find('.incoming-email-token-reset').click
 
-      wait_for_requests
+        wait_for_requests
 
-      expect(page).to have_no_field('issuable_email', with: previous_token)
-      new_token = project1.new_issuable_address(user.reload, 'issue')
-      expect(page).to have_field(
-        'issuable_email',
-        with: new_token
-      )
+        expect(page).to have_no_field('issuable_email', with: previous_token)
+        new_token = project1.new_issuable_address(user.reload, 'issue')
+        expect(page).to have_field(
+          'issuable_email',
+          with: new_token
+        )
+      end
     end
-  end
 
-  describe 'update labels from issue#show', :js do
-    let(:issue) { create(:issue, project: project, author: user, assignees: [user]) }
-    let!(:label) { create(:label, project: project) }
+    describe 'update labels from issue#show', :js do
+      let(:issue) { create(:issue, project: project, author: user, assignees: [user]) }
+      let!(:label) { create(:label, project: project) }
 
-    before do
-      visit project_issue_path(project, issue)
-    end
+      before do
+        visit project_issue_path(project, issue)
+      end
 
-    it 'will not send ajax request when no data is changed' do
-      page.within '.labels' do
-        click_link 'Edit'
+      it 'will not send ajax request when no data is changed' do
+        page.within '.labels' do
+          click_link 'Edit'
 
-        find('.dropdown-menu-close', match: :first).click
+          find('.dropdown-menu-close', match: :first).click
 
-        expect(page).not_to have_selector('.block-loading')
+          expect(page).not_to have_selector('.block-loading')
+        end
       end
     end
-  end
 
-  describe 'update assignee from issue#show' do
-    let(:issue) { create(:issue, project: project, author: user, assignees: [user]) }
+    describe 'update assignee from issue#show' do
+      let(:issue) { create(:issue, project: project, author: user, assignees: [user]) }
 
-    context 'by authorized user' do
-      it 'allows user to select unassigned', :js do
-        visit project_issue_path(project, issue)
+      context 'by authorized user' do
+        it 'allows user to select unassigned', :js do
+          visit project_issue_path(project, issue)
 
-        page.within('.assignee') do
-          expect(page).to have_content "#{user.name}"
+          page.within('.assignee') do
+            expect(page).to have_content "#{user.name}"
 
-          click_link 'Edit'
-          click_link 'Unassigned'
-          first('.title').click
-          expect(page).to have_content 'No assignee'
-        end
+            click_link 'Edit'
+            click_link 'Unassigned'
+            first('.title').click
+            expect(page).to have_content 'No assignee'
+          end
 
-        # wait_for_requests does not work with vue-resource at the moment
-        sleep 1
+          # wait_for_requests does not work with vue-resource at the moment
+          sleep 1
 
-        expect(issue.reload.assignees).to be_empty
-      end
+          expect(issue.reload.assignees).to be_empty
+        end
 
-      it 'allows user to select an assignee', :js do
-        issue2 = create(:issue, project: project, author: user)
-        visit project_issue_path(project, issue2)
+        it 'allows user to select an assignee', :js do
+          issue2 = create(:issue, project: project, author: user)
+          visit project_issue_path(project, issue2)
 
-        page.within('.assignee') do
-          expect(page).to have_content "No assignee"
-        end
+          page.within('.assignee') do
+            expect(page).to have_content "No assignee"
+          end
 
-        page.within '.assignee' do
-          click_link 'Edit'
-        end
+          page.within '.assignee' do
+            click_link 'Edit'
+          end
 
-        page.within '.dropdown-menu-user' do
-          click_link user.name
-        end
+          page.within '.dropdown-menu-user' do
+            click_link user.name
+          end
 
-        page.within('.assignee') do
-          expect(page).to have_content user.name
+          page.within('.assignee') do
+            expect(page).to have_content user.name
+          end
         end
-      end
 
-      it 'allows user to unselect themselves', :js do
-        issue2 = create(:issue, project: project, author: user)
-        visit project_issue_path(project, issue2)
+        it 'allows user to unselect themselves', :js do
+          issue2 = create(:issue, project: project, author: user)
+          visit project_issue_path(project, issue2)
 
-        page.within '.assignee' do
-          click_link 'Edit'
-          click_link user.name
+          page.within '.assignee' do
+            click_link 'Edit'
+            click_link user.name
 
-          page.within '.value .author' do
-            expect(page).to have_content user.name
-          end
+            page.within '.value .author' do
+              expect(page).to have_content user.name
+            end
 
-          click_link 'Edit'
-          click_link user.name
+            click_link 'Edit'
+            click_link user.name
 
-          page.within '.value .assign-yourself' do
-            expect(page).to have_content "No assignee"
+            page.within '.value .assign-yourself' do
+              expect(page).to have_content "No assignee"
+            end
           end
         end
       end
-    end
 
-    context 'by unauthorized user' do
-      let(:guest) { create(:user) }
+      context 'by unauthorized user' do
+        let(:guest) { create(:user) }
 
-      before do
-        project.team << [[guest], :guest]
-      end
+        before do
+          project.team << [[guest], :guest]
+        end
 
-      it 'shows assignee text', :js do
-        sign_out(:user)
-        sign_in(guest)
+        it 'shows assignee text', :js do
+          sign_out(:user)
+          sign_in(guest)
 
-        visit project_issue_path(project, issue)
-        expect(page).to have_content issue.assignees.first.name
+          visit project_issue_path(project, issue)
+          expect(page).to have_content issue.assignees.first.name
+        end
       end
     end
-  end
 
-  describe 'update milestone from issue#show' do
-    let!(:issue) { create(:issue, project: project, author: user) }
-    let!(:milestone) { create(:milestone, project: project) }
+    describe 'update milestone from issue#show' do
+      let!(:issue) { create(:issue, project: project, author: user) }
+      let!(:milestone) { create(:milestone, project: project) }
 
-    context 'by authorized user' do
-      it 'allows user to select unassigned', :js do
-        visit project_issue_path(project, issue)
+      context 'by authorized user' do
+        it 'allows user to select unassigned', :js do
+          visit project_issue_path(project, issue)
 
-        page.within('.milestone') do
-          expect(page).to have_content "None"
-        end
+          page.within('.milestone') do
+            expect(page).to have_content "None"
+          end
 
-        find('.block.milestone .edit-link').click
-        sleep 2 # wait for ajax stuff to complete
-        first('.dropdown-content li').click
-        sleep 2
-        page.within('.milestone') do
-          expect(page).to have_content 'None'
+          find('.block.milestone .edit-link').click
+          sleep 2 # wait for ajax stuff to complete
+          first('.dropdown-content li').click
+          sleep 2
+          page.within('.milestone') do
+            expect(page).to have_content 'None'
+          end
+
+          expect(issue.reload.milestone).to be_nil
         end
 
-        expect(issue.reload.milestone).to be_nil
-      end
+        it 'allows user to de-select milestone', :js do
+          visit project_issue_path(project, issue)
 
-      it 'allows user to de-select milestone', :js do
-        visit project_issue_path(project, issue)
+          page.within('.milestone') do
+            click_link 'Edit'
+            click_link milestone.title
 
-        page.within('.milestone') do
-          click_link 'Edit'
-          click_link milestone.title
-
-          page.within '.value' do
-            expect(page).to have_content milestone.title
-          end
+            page.within '.value' do
+              expect(page).to have_content milestone.title
+            end
 
-          click_link 'Edit'
-          click_link milestone.title
+            click_link 'Edit'
+            click_link milestone.title
 
-          page.within '.value' do
-            expect(page).to have_content 'None'
+            page.within '.value' do
+              expect(page).to have_content 'None'
+            end
           end
         end
       end
-    end
 
-    context 'by unauthorized user' do
-      let(:guest) { create(:user) }
+      context 'by unauthorized user' do
+        let(:guest) { create(:user) }
 
-      before do
-        project.team << [guest, :guest]
-        issue.milestone = milestone
-        issue.save
-      end
+        before do
+          project.team << [guest, :guest]
+          issue.milestone = milestone
+          issue.save
+        end
 
-      it 'shows milestone text', :js do
-        sign_out(:user)
-        sign_in(guest)
+        it 'shows milestone text', :js do
+          sign_out(:user)
+          sign_in(guest)
 
-        visit project_issue_path(project, issue)
-        expect(page).to have_content milestone.title
+          visit project_issue_path(project, issue)
+          expect(page).to have_content milestone.title
+        end
       end
     end
-  end
 
-  describe 'new issue' do
-    let!(:issue) { create(:issue, project: project) }
+    describe 'new issue' do
+      let!(:issue) { create(:issue, project: project) }
 
-    context 'by unauthenticated user' do
-      before do
-        sign_out(:user)
-      end
+      context 'by unauthenticated user' do
+        before do
+          sign_out(:user)
+        end
 
-      it 'redirects to signin then back to new issue after signin' do
-        visit project_issues_path(project)
+        it 'redirects to signin then back to new issue after signin' do
+          visit project_issues_path(project)
 
-        page.within '.nav-controls' do
-          click_link 'New issue'
-        end
+          page.within '.nav-controls' do
+            click_link 'New issue'
+          end
 
-        expect(current_path).to eq new_user_session_path
+          expect(current_path).to eq new_user_session_path
 
-        gitlab_sign_in(create(:user))
+          gitlab_sign_in(create(:user))
 
-        expect(current_path).to eq new_project_issue_path(project)
+          expect(current_path).to eq new_project_issue_path(project)
+        end
       end
-    end
 
-    context 'dropzone upload file', :js do
-      before do
-        visit new_project_issue_path(project)
-      end
+      context 'dropzone upload file', :js do
+        before do
+          visit new_project_issue_path(project)
+        end
 
-      it 'uploads file when dragging into textarea' do
-        dropzone_file Rails.root.join('spec', 'fixtures', 'banana_sample.gif')
+        it 'uploads file when dragging into textarea' do
+          dropzone_file Rails.root.join('spec', 'fixtures', 'banana_sample.gif')
 
-        expect(page.find_field("issue_description").value).to have_content 'banana_sample'
-      end
+          expect(page.find_field("issue_description").value).to have_content 'banana_sample'
+        end
 
-      it "doesn't add double newline to end of a single attachment markdown" do
-        dropzone_file Rails.root.join('spec', 'fixtures', 'banana_sample.gif')
+        it "doesn't add double newline to end of a single attachment markdown" do
+          dropzone_file Rails.root.join('spec', 'fixtures', 'banana_sample.gif')
 
-        expect(page.find_field("issue_description").value).not_to match /\n\n$/
-      end
+          expect(page.find_field("issue_description").value).not_to match /\n\n$/
+        end
 
-      it "cancels a file upload correctly" do
-        slow_requests do
-          dropzone_file([Rails.root.join('spec', 'fixtures', 'dk.png')], 0, false)
+        it "cancels a file upload correctly" do
+          slow_requests do
+            dropzone_file([Rails.root.join('spec', 'fixtures', 'dk.png')], 0, false)
 
-          click_button 'Cancel'
-        end
+            click_button 'Cancel'
+          end
 
-        expect(page).to have_button('Attach a file')
-        expect(page).not_to have_button('Cancel')
-        expect(page).not_to have_selector('.uploading-progress-container', visible: true)
+          expect(page).to have_button('Attach a file')
+          expect(page).not_to have_button('Cancel')
+          expect(page).not_to have_selector('.uploading-progress-container', visible: true)
+        end
       end
-    end
 
-    context 'form filled by URL parameters' do
-      let(:project) { create(:project, :public, :repository) }
+      context 'form filled by URL parameters' do
+        let(:project) { create(:project, :public, :repository) }
 
-      before do
-        project.repository.create_file(
-          user,
-          '.gitlab/issue_templates/bug.md',
-          'this is a test "bug" template',
-          message: 'added issue template',
-          branch_name: 'master')
-
-        visit new_project_issue_path(project, issuable_template: 'bug')
-      end
+        before do
+          project.repository.create_file(
+            user,
+            '.gitlab/issue_templates/bug.md',
+            'this is a test "bug" template',
+            message: 'added issue template',
+            branch_name: 'master')
+
+          visit new_project_issue_path(project, issuable_template: 'bug')
+        end
 
-      it 'fills in template' do
-        expect(find('.js-issuable-selector .dropdown-toggle-text')).to have_content('bug')
+        it 'fills in template' do
+          expect(find('.js-issuable-selector .dropdown-toggle-text')).to have_content('bug')
+        end
       end
     end
-  end
 
-  describe 'new issue by email' do
-    shared_examples 'show the email in the modal' do
-      let(:issue) { create(:issue, project: project) }
+    describe 'new issue by email' do
+      shared_examples 'show the email in the modal' do
+        let(:issue) { create(:issue, project: project) }
 
-      before do
-        project.issues << issue
-        stub_incoming_email_setting(enabled: true, address: "p+%{key}@gl.ab")
+        before do
+          project.issues << issue
+          stub_incoming_email_setting(enabled: true, address: "p+%{key}@gl.ab")
 
-        visit project_issues_path(project)
-        click_button('Email a new issue')
-      end
+          visit project_issues_path(project)
+          click_button('Email a new issue')
+        end
 
-      it 'click the button to show modal for the new email' do
-        page.within '#issuable-email-modal' do
-          email = project.new_issuable_address(user, 'issue')
+        it 'click the button to show modal for the new email' do
+          page.within '#issuable-email-modal' do
+            email = project.new_issuable_address(user, 'issue')
 
-          expect(page).to have_selector("input[value='#{email}']")
+            expect(page).to have_selector("input[value='#{email}']")
+          end
         end
       end
-    end
 
-    context 'with existing issues' do
-      let!(:issue) { create(:issue, project: project, author: user) }
+      context 'with existing issues' do
+        let!(:issue) { create(:issue, project: project, author: user) }
 
-      it_behaves_like 'show the email in the modal'
-    end
+        it_behaves_like 'show the email in the modal'
+      end
 
-    context 'without existing issues' do
-      it_behaves_like 'show the email in the modal'
+      context 'without existing issues' do
+        it_behaves_like 'show the email in the modal'
+      end
     end
-  end
 
-  describe 'due date' do
-    context 'update due on issue#show', :js do
-      let(:issue) { create(:issue, project: project, author: user, assignees: [user]) }
+    describe 'due date' do
+      context 'update due on issue#show', :js do
+        let(:issue) { create(:issue, project: project, author: user, assignees: [user]) }
 
-      before do
-        visit project_issue_path(project, issue)
-      end
+        before do
+          visit project_issue_path(project, issue)
+        end
 
-      it 'adds due date to issue' do
-        date = Date.today.at_beginning_of_month + 2.days
+        it 'adds due date to issue' do
+          date = Date.today.at_beginning_of_month + 2.days
 
-        page.within '.due_date' do
-          click_link 'Edit'
+          page.within '.due_date' do
+            click_link 'Edit'
 
-          page.within '.pika-single' do
-            click_button date.day
-          end
+            page.within '.pika-single' do
+              click_button date.day
+            end
 
-          wait_for_requests
+            wait_for_requests
 
-          expect(find('.value').text).to have_content date.strftime('%b %-d, %Y')
+            expect(find('.value').text).to have_content date.strftime('%b %-d, %Y')
+          end
         end
-      end
 
-      it 'removes due date from issue' do
-        date = Date.today.at_beginning_of_month + 2.days
+        it 'removes due date from issue' do
+          date = Date.today.at_beginning_of_month + 2.days
 
-        page.within '.due_date' do
-          click_link 'Edit'
+          page.within '.due_date' do
+            click_link 'Edit'
 
-          page.within '.pika-single' do
-            click_button date.day
-          end
+            page.within '.pika-single' do
+              click_button date.day
+            end
 
-          wait_for_requests
+            wait_for_requests
 
-          expect(page).to have_no_content 'No due date'
+            expect(page).to have_no_content 'No due date'
 
-          click_link 'remove due date'
-          expect(page).to have_content 'No due date'
+            click_link 'remove due date'
+            expect(page).to have_content 'No due date'
+          end
         end
       end
     end
-  end
 
-  describe 'title issue#show', :js do
-    it 'updates the title', :js do
-      issue = create(:issue, author: user, assignees: [user], project: project, title: 'new title')
+    describe 'title issue#show', :js do
+      it 'updates the title', :js do
+        issue = create(:issue, author: user, assignees: [user], project: project, title: 'new title')
 
-      visit project_issue_path(project, issue)
+        visit project_issue_path(project, issue)
 
-      expect(page).to have_text("new title")
+        expect(page).to have_text("new title")
 
-      issue.update(title: "updated title")
+        issue.update(title: "updated title")
 
-      wait_for_requests
-      expect(page).to have_text("updated title")
+        wait_for_requests
+        expect(page).to have_text("updated title")
+      end
     end
-  end
 
-  describe 'confidential issue#show', :js do
-    it 'shows confidential sibebar information as confidential and can be turned off' do
-      issue = create(:issue, :confidential, project: project)
+    describe 'confidential issue#show', :js do
+      it 'shows confidential sibebar information as confidential and can be turned off' do
+        issue = create(:issue, :confidential, project: project)
 
-      visit project_issue_path(project, issue)
+        visit project_issue_path(project, issue)
 
-      expect(page).to have_css('.issuable-note-warning')
-      expect(find('.issuable-sidebar-item.confidentiality')).to have_css('.is-active')
-      expect(find('.issuable-sidebar-item.confidentiality')).not_to have_css('.not-active')
+        expect(page).to have_css('.issuable-note-warning')
+        expect(find('.issuable-sidebar-item.confidentiality')).to have_css('.is-active')
+        expect(find('.issuable-sidebar-item.confidentiality')).not_to have_css('.not-active')
 
-      find('.confidential-edit').click
-      expect(page).to have_css('.sidebar-item-warning-message')
+        find('.confidential-edit').click
+        expect(page).to have_css('.sidebar-item-warning-message')
 
-      within('.sidebar-item-warning-message') do
-        find('.btn-close').click
-      end
+        within('.sidebar-item-warning-message') do
+          find('.btn-close').click
+        end
 
-      wait_for_requests
+        wait_for_requests
 
-      visit project_issue_path(project, issue)
+        visit project_issue_path(project, issue)
 
-      expect(page).not_to have_css('.is-active')
+        expect(page).not_to have_css('.is-active')
+      end
     end
   end
 end
diff --git a/spec/features/merge_requests/image_diff_notes.rb b/spec/features/merge_requests/image_diff_notes_spec.rb
index 021c4e03428..b53570835cb 100644
--- a/spec/features/merge_requests/image_diff_notes.rb
+++ b/spec/features/merge_requests/image_diff_notes_spec.rb
@@ -10,11 +10,10 @@ feature 'image diff notes', :js do
     project.team << [user, :master]
     sign_in user
 
-    page.driver.set_cookie('sidebar_collapsed', 'true')
-
     # Stub helper to return any blob file as image from public app folder.
     # This is necessary to run this specs since we don't display repo images in capybara.
-    allow_any_instance_of(DiffHelper).to receive(:diff_file_blob_raw_path).and_return('/apple-touch-icon.png')
+    allow_any_instance_of(DiffHelper).to receive(:diff_file_blob_raw_url).and_return('/apple-touch-icon.png')
+    allow_any_instance_of(DiffHelper).to receive(:diff_file_old_blob_raw_url).and_return('/favicon.ico')
   end
 
   context 'create commit diff notes' do
@@ -141,13 +140,13 @@ feature 'image diff notes', :js do
         end
 
         it 'allows expanding/collapsing the discussion notes' do
-          page.all('.js-diff-notes-toggle')[0].trigger('click')
-          page.all('.js-diff-notes-toggle')[1].trigger('click')
+          page.all('.js-diff-notes-toggle')[0].click
+          page.all('.js-diff-notes-toggle')[1].click
 
           expect(page).not_to have_content('image diff test comment')
 
-          page.all('.js-diff-notes-toggle')[0].trigger('click')
-          page.all('.js-diff-notes-toggle')[1].trigger('click')
+          page.all('.js-diff-notes-toggle')[0].click
+          page.all('.js-diff-notes-toggle')[1].click
 
           expect(page).to have_content('image diff test comment')
         end
@@ -196,13 +195,31 @@ feature 'image diff notes', :js do
 
       expect(find('.onion-skin-frame')['style']).to match('width: 228px; height: 240px;')
     end
+
+    it 'resets onion skin view mode opacity when toggling between view modes' do
+      find('.view-modes-menu .onion-skin').click
+
+      # Simulate dragging onion-skin slider
+      drag_and_drop_by(find('.dragger'), -30, 0)
+
+      expect(find('.onion-skin-frame .frame.added', visible: false)['style']).not_to match('opacity: 1;')
+
+      find('.view-modes-menu .swipe').click
+      find('.view-modes-menu .onion-skin').click
+
+      expect(find('.onion-skin-frame .frame.added', visible: false)['style']).to match('opacity: 1;')
+    end
   end
-end
 
-def create_image_diff_note
-  find('.js-add-image-diff-note-button', match: :first).click
-  page.all('.js-add-image-diff-note-button')[0].trigger('click')
-  find('.diff-content .note-textarea').native.send_keys('image diff test comment')
-  click_button 'Comment'
-  wait_for_requests
+  def drag_and_drop_by(element, right_by, down_by)
+    page.driver.browser.action.drag_and_drop_by(element.native, right_by, down_by).perform
+  end
+
+  def create_image_diff_note
+    find('.js-add-image-diff-note-button', match: :first).click
+    page.all('.js-add-image-diff-note-button')[0].click
+    find('.diff-content .note-textarea').native.send_keys('image diff test comment')
+    click_button 'Comment'
+    wait_for_requests
+  end
 end
diff --git a/spec/features/merge_requests/mini_pipeline_graph_spec.rb b/spec/features/merge_requests/mini_pipeline_graph_spec.rb
index 93c5e945453..a7e7c0eeff6 100644
--- a/spec/features/merge_requests/mini_pipeline_graph_spec.rb
+++ b/spec/features/merge_requests/mini_pipeline_graph_spec.rb
@@ -15,8 +15,8 @@ feature 'Mini Pipeline Graph', :js do
     visit_merge_request
   end
 
-  def visit_merge_request(format = :html)
-    visit project_merge_request_path(project, merge_request, format: format)
+  def visit_merge_request(format: :html, serializer: nil)
+    visit project_merge_request_path(project, merge_request, format: format, serializer: serializer)
   end
 
   it 'should display a mini pipeline graph' do
@@ -33,12 +33,12 @@ feature 'Mini Pipeline Graph', :js do
     end
 
     it 'avoids repeated database queries' do
-      before = ActiveRecord::QueryRecorder.new { visit_merge_request(:json) }
+      before = ActiveRecord::QueryRecorder.new { visit_merge_request(format: :json, serializer: 'widget') }
 
       create(:ci_build, pipeline: pipeline, legacy_artifacts_file: artifacts_file2)
       create(:ci_build, pipeline: pipeline, when: 'manual')
 
-      after = ActiveRecord::QueryRecorder.new { visit_merge_request(:json) }
+      after = ActiveRecord::QueryRecorder.new { visit_merge_request(format: :json, serializer: 'widget') }
 
       expect(before.count).to eq(after.count)
       expect(before.cached_count).to eq(after.cached_count)
diff --git a/spec/features/milestone_spec.rb b/spec/features/milestone_spec.rb
index 27efc32c95b..9f24193a2ac 100644
--- a/spec/features/milestone_spec.rb
+++ b/spec/features/milestone_spec.rb
@@ -82,9 +82,9 @@ feature 'Milestone' do
       milestone = create(:milestone, project: project, title: 8.7)
       issue1 = create(:issue, project: project, milestone: milestone)
       issue2 = create(:issue, project: project, milestone: milestone)
-      issue1.spend_time(duration: 3600, user: user)
+      issue1.spend_time(duration: 3600, user_id: user.id)
       issue1.save!
-      issue2.spend_time(duration: 7200, user: user)
+      issue2.spend_time(duration: 7200, user_id: user.id)
       issue2.save!
 
       visit project_milestone_path(project, milestone)
diff --git a/spec/features/projects/files/project_owner_sees_link_to_create_license_file_in_empty_project_spec.rb b/spec/features/projects/files/project_owner_sees_link_to_create_license_file_in_empty_project_spec.rb
index 6c616bf0456..8ac9821b879 100644
--- a/spec/features/projects/files/project_owner_sees_link_to_create_license_file_in_empty_project_spec.rb
+++ b/spec/features/projects/files/project_owner_sees_link_to_create_license_file_in_empty_project_spec.rb
@@ -2,15 +2,15 @@ require 'spec_helper'
 
 feature 'project owner sees a link to create a license file in empty project', :js do
   let(:project_master) { create(:user) }
-  let(:project) { create(:project) }
+  let(:project) { create(:project_empty_repo) }
+
   background do
-    project.team << [project_master, :master]
+    project.add_master(project_master)
     sign_in(project_master)
   end
 
   scenario 'project master creates a license file from a template' do
     visit project_path(project)
-    click_link 'Create empty bare repository'
     click_on 'LICENSE'
     expect(page).to have_content('New file')
 
@@ -26,8 +26,6 @@ feature 'project owner sees a link to create a license file in empty project', :
     expect(file_content).to have_content("Copyright (c) #{Time.now.year} #{project.namespace.human_name}")
 
     fill_in :commit_message, with: 'Add a LICENSE file', visible: true
-    # Remove pre-receive hook so we can push without auth
-    FileUtils.rm_f(File.join(project.repository.path, 'hooks', 'pre-receive'))
     click_button 'Commit changes'
 
     expect(current_path).to eq(
diff --git a/spec/features/projects/issuable_templates_spec.rb b/spec/features/projects/issuable_templates_spec.rb
index 0257cd157c9..4319fc2746c 100644
--- a/spec/features/projects/issuable_templates_spec.rb
+++ b/spec/features/projects/issuable_templates_spec.rb
@@ -32,9 +32,7 @@ feature 'issuable templates', :js do
         message: 'added issue template',
         branch_name: 'master')
       visit project_issue_path project, issue
-      page.within('.js-issuable-actions') do
-        click_on 'Edit'
-      end
+      page.find('.js-issuable-edit').click
       fill_in :'issuable-title', with: 'test issue title'
     end
 
@@ -77,9 +75,7 @@ feature 'issuable templates', :js do
         message: 'added issue template',
         branch_name: 'master')
       visit project_issue_path project, issue
-      page.within('.js-issuable-actions') do
-        click_on 'Edit'
-      end
+      page.find('.js-issuable-edit').click
       fill_in :'issuable-title', with: 'test issue title'
       fill_in :'issue-description', with: prior_description
     end
diff --git a/spec/features/projects/pipelines/pipeline_spec.rb b/spec/features/projects/pipelines/pipeline_spec.rb
index 888e290292b..3987cea0b4f 100644
--- a/spec/features/projects/pipelines/pipeline_spec.rb
+++ b/spec/features/projects/pipelines/pipeline_spec.rb
@@ -152,7 +152,7 @@ describe 'Pipeline', :js do
       end
 
       it 'shows counter in Jobs tab' do
-        expect(page.find('.js-builds-counter').text).to eq(pipeline.statuses.count.to_s)
+        expect(page.find('.js-builds-counter').text).to eq(pipeline.total_size.to_s)
       end
 
       it 'shows Pipeline tab as active' do
@@ -248,7 +248,7 @@ describe 'Pipeline', :js do
       end
 
       it 'shows counter in Jobs tab' do
-        expect(page.find('.js-builds-counter').text).to eq(pipeline.statuses.count.to_s)
+        expect(page.find('.js-builds-counter').text).to eq(pipeline.total_size.to_s)
       end
 
       it 'shows Jobs tab as active' do
diff --git a/spec/features/tags/master_views_tags_spec.rb b/spec/features/tags/master_views_tags_spec.rb
index 9edc7ced163..4662367d843 100644
--- a/spec/features/tags/master_views_tags_spec.rb
+++ b/spec/features/tags/master_views_tags_spec.rb
@@ -4,18 +4,17 @@ feature 'Master views tags' do
   let(:user) { create(:user) }
 
   before do
-    project.team << [user, :master]
+    project.add_master(user)
     sign_in(user)
   end
 
   context 'when project has no tags' do
     let(:project) { create(:project_empty_repo) }
+
     before do
       visit project_path(project)
       click_on 'README'
       fill_in :commit_message, with: 'Add a README file', visible: true
-      # Remove pre-receive hook so we can push without auth
-      FileUtils.rm_f(File.join(project.repository.path, 'hooks', 'pre-receive'))
       click_button 'Commit changes'
       visit project_tags_path(project)
     end
diff --git a/spec/fixtures/api/schemas/entities/merge_request.json b/spec/fixtures/api/schemas/entities/merge_request_widget.json
index ba094ba1657..342890c3dee 100644
--- a/spec/fixtures/api/schemas/entities/merge_request.json
+++ b/spec/fixtures/api/schemas/entities/merge_request_widget.json
@@ -80,15 +80,15 @@
     "target_branch_tree_path": { "type": "string" },
     "source_branch_path": { "type": "string" },
     "conflict_resolution_path": { "type": ["string", "null"] },
-    "cancel_merge_when_pipeline_succeeds_path": { "type": "string" },
-    "create_issue_to_resolve_discussions_path": { "type": "string" },
-    "merge_path": { "type": "string" },
+    "cancel_merge_when_pipeline_succeeds_path": { "type": ["string", "null"] },
+    "create_issue_to_resolve_discussions_path": { "type": ["string", "null"] },
+    "merge_path": { "type": ["string", "null"] },
     "cherry_pick_in_fork_path": { "type": ["string", "null"] },
     "revert_in_fork_path": { "type": ["string", "null"] },
     "email_patches_path": { "type": "string" },
     "plain_diff_path": { "type": "string" },
     "status_path": { "type": "string" },
-    "new_blob_path": { "type": "string" },
+    "new_blob_path": { "type": ["string", "null"] },
     "merge_check_path": { "type": "string" },
     "ci_environments_status_path": { "type": "string" },
     "merge_commit_message_with_description": { "type": "string" },
diff --git a/spec/helpers/notes_helper_spec.rb b/spec/helpers/notes_helper_spec.rb
index cd15e27b497..36a44f8567a 100644
--- a/spec/helpers/notes_helper_spec.rb
+++ b/spec/helpers/notes_helper_spec.rb
@@ -41,6 +41,7 @@ describe NotesHelper do
 
   describe '#discussion_path' do
     let(:project) { create(:project, :repository) }
+    let(:anchor) { discussion.line_code }
 
     context 'for a merge request discusion' do
       let(:merge_request) { create(:merge_request, source_project: project, target_project: project, importing: true) }
@@ -151,6 +152,15 @@ describe NotesHelper do
           expect(helper.discussion_path(discussion)).to be_nil
         end
       end
+
+      context 'for a contextual commit discussion' do
+        let(:commit) { merge_request.commits.last }
+        let(:discussion) { create(:diff_note_on_merge_request, noteable: merge_request, project: project, commit_id: commit.id).to_discussion }
+
+        it 'returns the merge request diff discussion scoped in the commit' do
+          expect(helper.discussion_path(discussion)).to eq(diffs_project_merge_request_path(project, merge_request, commit_id: commit.id, anchor: anchor))
+        end
+      end
     end
 
     context 'for a commit discussion' do
@@ -160,7 +170,7 @@ describe NotesHelper do
         let(:discussion) { create(:diff_note_on_commit, project: project).to_discussion }
 
         it 'returns the commit path with the line code' do
-          expect(helper.discussion_path(discussion)).to eq(project_commit_path(project, commit, anchor: discussion.line_code))
+          expect(helper.discussion_path(discussion)).to eq(project_commit_path(project, commit, anchor: anchor))
         end
       end
 
@@ -168,7 +178,7 @@ describe NotesHelper do
         let(:discussion) { create(:legacy_diff_note_on_commit, project: project).to_discussion }
 
         it 'returns the commit path with the line code' do
-          expect(helper.discussion_path(discussion)).to eq(project_commit_path(project, commit, anchor: discussion.line_code))
+          expect(helper.discussion_path(discussion)).to eq(project_commit_path(project, commit, anchor: anchor))
         end
       end
 
diff --git a/spec/javascripts/collapsed_sidebar_todo_spec.js b/spec/javascripts/collapsed_sidebar_todo_spec.js
index 974815fe939..5026eaafaca 100644
--- a/spec/javascripts/collapsed_sidebar_todo_spec.js
+++ b/spec/javascripts/collapsed_sidebar_todo_spec.js
@@ -1,7 +1,6 @@
-/* global Sidebar */
 /* eslint-disable no-new */
 import _ from 'underscore';
-import '~/right_sidebar';
+import Sidebar from '~/right_sidebar';
 
 describe('Issuable right sidebar collapsed todo toggle', () => {
   const fixtureName = 'issues/open-issue.html.raw';
diff --git a/spec/javascripts/graphs/stat_graph_contributors_graph_spec.js b/spec/javascripts/graphs/stat_graph_contributors_graph_spec.js
index 861f26e162f..6599839a526 100644
--- a/spec/javascripts/graphs/stat_graph_contributors_graph_spec.js
+++ b/spec/javascripts/graphs/stat_graph_contributors_graph_spec.js
@@ -1,8 +1,10 @@
 /* eslint-disable quotes, jasmine/no-suite-dupes, vars-on-top, no-var */
-
-import d3 from 'd3';
+import { scaleLinear, scaleTime } from 'd3-scale';
+import { timeParse } from 'd3-time-format';
 import { ContributorsGraph, ContributorsMasterGraph } from '~/graphs/stat_graph_contributors_graph';
 
+const d3 = { scaleLinear, scaleTime, timeParse };
+
 describe("ContributorsGraph", function () {
   describe("#set_x_domain", function () {
     it("set the x_domain", function () {
@@ -53,7 +55,7 @@ describe("ContributorsGraph", function () {
     it("sets the instance's x domain using the prototype's x_domain", function () {
       ContributorsGraph.prototype.x_domain = 20;
       var instance = new ContributorsGraph();
-      instance.x = d3.time.scale().range([0, 100]).clamp(true);
+      instance.x = d3.scaleTime().range([0, 100]).clamp(true);
       spyOn(instance.x, 'domain');
       instance.set_x_domain();
       expect(instance.x.domain).toHaveBeenCalledWith(20);
@@ -64,7 +66,7 @@ describe("ContributorsGraph", function () {
     it("sets the instance's y domain using the prototype's y_domain", function () {
       ContributorsGraph.prototype.y_domain = 30;
       var instance = new ContributorsGraph();
-      instance.y = d3.scale.linear().range([100, 0]).nice();
+      instance.y = d3.scaleLinear().range([100, 0]).nice();
       spyOn(instance.y, 'domain');
       instance.set_y_domain();
       expect(instance.y.domain).toHaveBeenCalledWith(30);
@@ -118,7 +120,7 @@ describe("ContributorsMasterGraph", function () {
   describe("#parse_dates", function () {
     it("parses the dates", function () {
       var graph = new ContributorsMasterGraph();
-      var parseDate = d3.time.format("%Y-%m-%d").parse;
+      var parseDate = d3.timeParse("%Y-%m-%d");
       var data = [{ date: "2013-01-01" }, { date: "2012-12-15" }];
       var correct = [{ date: parseDate(data[0].date) }, { date: parseDate(data[1].date) }];
       graph.parse_dates(data);
diff --git a/spec/javascripts/graphs/stat_graph_contributors_spec.js b/spec/javascripts/graphs/stat_graph_contributors_spec.js
new file mode 100644
index 00000000000..962423462e7
--- /dev/null
+++ b/spec/javascripts/graphs/stat_graph_contributors_spec.js
@@ -0,0 +1,26 @@
+import ContributorsStatGraph from '~/graphs/stat_graph_contributors';
+import { ContributorsGraph } from '~/graphs/stat_graph_contributors_graph';
+
+import { setLanguage } from '../helpers/locale_helper';
+
+describe('ContributorsStatGraph', () => {
+  describe('change_date_header', () => {
+    beforeAll(() => {
+      setLanguage('de');
+    });
+
+    afterAll(() => {
+      setLanguage(null);
+    });
+
+    it('uses the locale to display date ranges', () => {
+      ContributorsGraph.init_x_domain([{ date: '2013-01-31' }, { date: '2012-01-31' }]);
+      setFixtures('<div id="date_header"></div>');
+      const graph = new ContributorsStatGraph();
+
+      graph.change_date_header();
+
+      expect(document.getElementById('date_header').innerText).toBe('31. Januar 2012 – 31. Januar 2013');
+    });
+  });
+});
diff --git a/spec/javascripts/helpers/locale_helper.js b/spec/javascripts/helpers/locale_helper.js
new file mode 100644
index 00000000000..99e6ce61234
--- /dev/null
+++ b/spec/javascripts/helpers/locale_helper.js
@@ -0,0 +1,11 @@
+/* eslint-disable import/prefer-default-export */
+
+export const setLanguage = (languageCode) => {
+  const htmlElement = document.querySelector('html');
+
+  if (languageCode) {
+    htmlElement.setAttribute('lang', languageCode);
+  } else {
+    htmlElement.removeAttribute('lang');
+  }
+};
diff --git a/spec/javascripts/lib/utils/tick_formats_spec.js b/spec/javascripts/lib/utils/tick_formats_spec.js
new file mode 100644
index 00000000000..283989b4fc8
--- /dev/null
+++ b/spec/javascripts/lib/utils/tick_formats_spec.js
@@ -0,0 +1,40 @@
+import { dateTickFormat, initDateFormats } from '~/lib/utils/tick_formats';
+
+import { setLanguage } from '../../helpers/locale_helper';
+
+describe('tick formats', () => {
+  describe('dateTickFormat', () => {
+    beforeAll(() => {
+      setLanguage('de');
+      initDateFormats();
+    });
+
+    afterAll(() => {
+      setLanguage(null);
+    });
+
+    it('returns year for first of January', () => {
+      const tick = dateTickFormat(new Date('2001-01-01'));
+
+      expect(tick).toBe('2001');
+    });
+
+    it('returns month for first of February', () => {
+      const tick = dateTickFormat(new Date('2001-02-01'));
+
+      expect(tick).toBe('Februar');
+    });
+
+    it('returns day and month for second of February', () => {
+      const tick = dateTickFormat(new Date('2001-02-02'));
+
+      expect(tick).toBe('2. Feb.');
+    });
+
+    it('ignores time', () => {
+      const tick = dateTickFormat(new Date('2001-02-02 12:34:56'));
+
+      expect(tick).toBe('2. Feb.');
+    });
+  });
+});
diff --git a/spec/javascripts/line_highlighter_spec.js b/spec/javascripts/line_highlighter_spec.js
index 645664a5219..89f4b85541d 100644
--- a/spec/javascripts/line_highlighter_spec.js
+++ b/spec/javascripts/line_highlighter_spec.js
@@ -1,7 +1,6 @@
 /* eslint-disable space-before-function-paren, no-var, no-param-reassign, quotes, prefer-template, no-else-return, new-cap, dot-notation, no-return-assign, comma-dangle, no-new, one-var, one-var-declaration-per-line, jasmine/no-spec-dupes, no-underscore-dangle, max-len */
-/* global LineHighlighter */
 
-import '~/line_highlighter';
+import LineHighlighter from '~/line_highlighter';
 
 (function() {
   describe('LineHighlighter', function() {
diff --git a/spec/javascripts/locale/index_spec.js b/spec/javascripts/locale/index_spec.js
new file mode 100644
index 00000000000..29b0b21eed7
--- /dev/null
+++ b/spec/javascripts/locale/index_spec.js
@@ -0,0 +1,35 @@
+import { createDateTimeFormat, languageCode } from '~/locale';
+
+import { setLanguage } from '../helpers/locale_helper';
+
+describe('locale', () => {
+  afterEach(() => {
+    setLanguage(null);
+  });
+
+  describe('languageCode', () => {
+    it('parses the lang attribute', () => {
+      setLanguage('ja');
+
+      expect(languageCode()).toBe('ja');
+    });
+
+    it('falls back to English', () => {
+      setLanguage(null);
+
+      expect(languageCode()).toBe('en');
+    });
+  });
+
+  describe('createDateTimeFormat', () => {
+    beforeEach(() => {
+      setLanguage('de');
+    });
+
+    it('creates an instance of Intl.DateTimeFormat', () => {
+      const dateFormat = createDateTimeFormat({ year: 'numeric', month: 'long', day: 'numeric' });
+
+      expect(dateFormat.format(new Date(2015, 6, 3))).toBe('3. Juli 2015');
+    });
+  });
+});
diff --git a/spec/javascripts/merge_request_notes_spec.js b/spec/javascripts/merge_request_notes_spec.js
index 6054b75d0b8..e983e4de3fc 100644
--- a/spec/javascripts/merge_request_notes_spec.js
+++ b/spec/javascripts/merge_request_notes_spec.js
@@ -1,11 +1,9 @@
-/* global Notes */
-
 import 'autosize';
 import '~/gl_form';
 import '~/lib/utils/text_utility';
 import '~/render_gfm';
 import '~/render_math';
-import '~/notes';
+import Notes from '~/notes';
 
 const upArrowKeyCode = 38;
 
diff --git a/spec/javascripts/merge_request_spec.js b/spec/javascripts/merge_request_spec.js
index 70ae63ba036..2f02c11482f 100644
--- a/spec/javascripts/merge_request_spec.js
+++ b/spec/javascripts/merge_request_spec.js
@@ -1,7 +1,6 @@
 /* eslint-disable space-before-function-paren, no-return-assign */
-/* global MergeRequest */
 
-import '~/merge_request';
+import MergeRequest from '~/merge_request';
 import CloseReopenReportToggle from '~/close_reopen_report_toggle';
 import IssuablesHelper from '~/helpers/issuables_helper';
 
diff --git a/spec/javascripts/merge_request_tabs_spec.js b/spec/javascripts/merge_request_tabs_spec.js
index 31426ceb110..050f0ea9ebd 100644
--- a/spec/javascripts/merge_request_tabs_spec.js
+++ b/spec/javascripts/merge_request_tabs_spec.js
@@ -1,5 +1,4 @@
 /* eslint-disable no-var, comma-dangle, object-shorthand */
-/* global Notes */
 
 import * as urlUtils from '~/lib/utils/url_utility';
 import MergeRequestTabs from '~/merge_request_tabs';
@@ -7,7 +6,7 @@ import '~/commit/pipelines/pipelines_bundle';
 import '~/breakpoints';
 import '~/lib/utils/common_utils';
 import Diff from '~/diff';
-import '~/notes';
+import Notes from '~/notes';
 import 'vendor/jquery.scrollTo';
 
 (function () {
@@ -279,8 +278,8 @@ import 'vendor/jquery.scrollTo';
         loadFixtures('merge_requests/diff_comment.html.raw');
         $('body').attr('data-page', 'projects:merge_requests:show');
         window.gl.ImageFile = () => {};
-        window.notes = new Notes('', []);
-        spyOn(window.notes, 'toggleDiffNote').and.callThrough();
+        Notes.initialize('', []);
+        spyOn(Notes.instance, 'toggleDiffNote').and.callThrough();
       });
 
       afterEach(() => {
@@ -338,7 +337,7 @@ import 'vendor/jquery.scrollTo';
             this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
 
             expect(noteId.length).toBeGreaterThan(0);
-            expect(window.notes.toggleDiffNote).toHaveBeenCalledWith({
+            expect(Notes.instance.toggleDiffNote).toHaveBeenCalledWith({
               target: jasmine.any(Object),
               lineType: 'old',
               forceShow: true,
@@ -349,7 +348,7 @@ import 'vendor/jquery.scrollTo';
             spyOn(urlUtils, 'getLocationHash').and.returnValue('note_something-that-does-not-exist');
             this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
 
-            expect(window.notes.toggleDiffNote).not.toHaveBeenCalled();
+            expect(Notes.instance.toggleDiffNote).not.toHaveBeenCalled();
           });
         });
 
@@ -359,7 +358,7 @@ import 'vendor/jquery.scrollTo';
             this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
 
             expect(noteLineNumId.length).toBeGreaterThan(0);
-            expect(window.notes.toggleDiffNote).not.toHaveBeenCalled();
+            expect(Notes.instance.toggleDiffNote).not.toHaveBeenCalled();
           });
         });
       });
@@ -393,7 +392,7 @@ import 'vendor/jquery.scrollTo';
             this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
 
             expect(noteId.length).toBeGreaterThan(0);
-            expect(window.notes.toggleDiffNote).toHaveBeenCalledWith({
+            expect(Notes.instance.toggleDiffNote).toHaveBeenCalledWith({
               target: jasmine.any(Object),
               lineType: 'new',
               forceShow: true,
@@ -404,7 +403,7 @@ import 'vendor/jquery.scrollTo';
             spyOn(urlUtils, 'getLocationHash').and.returnValue('note_something-that-does-not-exist');
             this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
 
-            expect(window.notes.toggleDiffNote).not.toHaveBeenCalled();
+            expect(Notes.instance.toggleDiffNote).not.toHaveBeenCalled();
           });
         });
 
@@ -414,7 +413,7 @@ import 'vendor/jquery.scrollTo';
             this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
 
             expect(noteLineNumId.length).toBeGreaterThan(0);
-            expect(window.notes.toggleDiffNote).not.toHaveBeenCalled();
+            expect(Notes.instance.toggleDiffNote).not.toHaveBeenCalled();
           });
         });
       });
diff --git a/spec/javascripts/notes_spec.js b/spec/javascripts/notes_spec.js
index e09b8dc7fc5..167f074fb9b 100644
--- a/spec/javascripts/notes_spec.js
+++ b/spec/javascripts/notes_spec.js
@@ -1,12 +1,10 @@
 /* eslint-disable space-before-function-paren, no-unused-expressions, no-var, object-shorthand, comma-dangle, max-len */
-/* global Notes */
-
 import * as urlUtils from '~/lib/utils/url_utility';
 import 'autosize';
 import '~/gl_form';
 import '~/lib/utils/text_utility';
 import '~/render_gfm';
-import '~/notes';
+import Notes from '~/notes';
 
 (function() {
   window.gon || (window.gon = {});
diff --git a/spec/javascripts/right_sidebar_spec.js b/spec/javascripts/right_sidebar_spec.js
index 72790eb215a..3267e29585b 100644
--- a/spec/javascripts/right_sidebar_spec.js
+++ b/spec/javascripts/right_sidebar_spec.js
@@ -1,8 +1,7 @@
 /* eslint-disable space-before-function-paren, no-var, one-var, one-var-declaration-per-line, new-parens, no-return-assign, new-cap, vars-on-top, max-len */
-/* global Sidebar */
 
 import '~/commons/bootstrap';
-import '~/right_sidebar';
+import Sidebar from '~/right_sidebar';
 
 (function() {
   var $aside, $icon, $labelsIcon, $page, $toggle, assertSidebarState;
diff --git a/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js b/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
index 9e6d0aa472c..74b343c573e 100644
--- a/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
+++ b/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
@@ -2,6 +2,7 @@ import Vue from 'vue';
 import mrWidgetOptions from '~/vue_merge_request_widget/mr_widget_options';
 import eventHub from '~/vue_merge_request_widget/event_hub';
 import notify from '~/lib/utils/notify';
+import { stateKey } from '~/vue_merge_request_widget/stores/state_maps';
 import mockData from './mock_data';
 import mountComponent from '../helpers/vue_mount_component_helper';
 
@@ -344,4 +345,31 @@ describe('mrWidgetOptions', () => {
       expect(comps['mr-widget-merge-when-pipeline-succeeds']).toBeDefined();
     });
   });
+
+  describe('rendering relatedLinks', () => {
+    beforeEach((done) => {
+      vm.mr.relatedLinks = {
+        assignToMe: null,
+        closing: `
+          <a class="close-related-link" href="#'>
+            Close
+          </a>
+        `,
+        mentioned: '',
+      };
+      Vue.nextTick(done);
+    });
+
+    it('renders if there are relatedLinks', () => {
+      expect(vm.$el.querySelector('.close-related-link')).toBeDefined();
+    });
+
+    it('does not render if state is nothingToMerge', (done) => {
+      vm.mr.state = stateKey.nothingToMerge;
+      Vue.nextTick(() => {
+        expect(vm.$el.querySelector('.close-related-link')).toBeNull();
+        done();
+      });
+    });
+  });
 });
diff --git a/spec/javascripts/vue_mr_widget/stores/mr_widget_store_spec.js b/spec/javascripts/vue_mr_widget/stores/mr_widget_store_spec.js
index 8e5614b20f0..33d052aceb2 100644
--- a/spec/javascripts/vue_mr_widget/stores/mr_widget_store_spec.js
+++ b/spec/javascripts/vue_mr_widget/stores/mr_widget_store_spec.js
@@ -1,4 +1,5 @@
 import MergeRequestStore from '~/vue_merge_request_widget/stores/mr_widget_store';
+import { stateKey } from '~/vue_merge_request_widget/stores/state_maps';
 import mockData from '../mock_data';
 
 describe('MergeRequestStore', () => {
@@ -52,5 +53,17 @@ describe('MergeRequestStore', () => {
         expect(store.isPipelineSkipped).toBe(false);
       });
     });
+
+    describe('isNothingToMergeState', () => {
+      it('returns true when nothingToMerge', () => {
+        store.state = stateKey.nothingToMerge;
+        expect(store.isNothingToMergeState).toEqual(true);
+      });
+
+      it('returns false when not nothingToMerge', () => {
+        store.state = 'state';
+        expect(store.isNothingToMergeState).toEqual(false);
+      });
+    });
   });
 });
diff --git a/spec/lib/gitlab/action_rate_limiter_spec.rb b/spec/lib/gitlab/action_rate_limiter_spec.rb
new file mode 100644
index 00000000000..542fc03e555
--- /dev/null
+++ b/spec/lib/gitlab/action_rate_limiter_spec.rb
@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+describe Gitlab::ActionRateLimiter do
+  let(:redis) { double('redis') }
+  let(:user) { create(:user) }
+  let(:project) { create(:project) }
+  let(:key) { [user, project] }
+  let(:cache_key) { "action_rate_limiter:test_action:user:#{user.id}:project:#{project.id}" }
+
+  subject { described_class.new(action: :test_action, expiry_time: 100) }
+
+  before do
+    allow(Gitlab::Redis::Cache).to receive(:with).and_yield(redis)
+  end
+
+  it 'increases the throttle count and sets the expire time' do
+    expect(redis).to receive(:incr).with(cache_key).and_return(1)
+    expect(redis).to receive(:expire).with(cache_key, 100)
+
+    expect(subject.throttled?(key, 1)).to be false
+  end
+
+  it 'returns true if the key is throttled' do
+    expect(redis).to receive(:incr).with(cache_key).and_return(2)
+    expect(redis).not_to receive(:expire)
+
+    expect(subject.throttled?(key, 1)).to be true
+  end
+end
diff --git a/spec/lib/gitlab/git/gitlab_projects_spec.rb b/spec/lib/gitlab/git/gitlab_projects_spec.rb
index 18906955df6..24da9589458 100644
--- a/spec/lib/gitlab/git/gitlab_projects_spec.rb
+++ b/spec/lib/gitlab/git/gitlab_projects_spec.rb
@@ -41,7 +41,8 @@ describe Gitlab::Git::GitlabProjects do
     end
 
     it "fails if the source path doesn't exist" do
-      expect(logger).to receive(:error).with("mv-project failed: source path <#{tmp_repos_path}/bad-src.git> does not exist.")
+      expected_source_path = File.join(tmp_repos_path, 'bad-src.git')
+      expect(logger).to receive(:error).with("mv-project failed: source path <#{expected_source_path}> does not exist.")
 
       result = build_gitlab_projects(tmp_repos_path, 'bad-src.git').mv_project('repo.git')
       expect(result).to be_falsy
@@ -50,7 +51,8 @@ describe Gitlab::Git::GitlabProjects do
     it 'fails if the destination path already exists' do
       FileUtils.mkdir_p(File.join(tmp_repos_path, 'already-exists.git'))
 
-      message = "mv-project failed: destination path <#{tmp_repos_path}/already-exists.git> already exists."
+      expected_distination_path = File.join(tmp_repos_path, 'already-exists.git')
+      message = "mv-project failed: destination path <#{expected_distination_path}> already exists."
       expect(logger).to receive(:error).with(message)
 
       expect(gl_projects.mv_project('already-exists.git')).to be_falsy
diff --git a/spec/lib/gitlab/github_import/importer/repository_importer_spec.rb b/spec/lib/gitlab/github_import/importer/repository_importer_spec.rb
index 168e5d07504..46a57e08963 100644
--- a/spec/lib/gitlab/github_import/importer/repository_importer_spec.rb
+++ b/spec/lib/gitlab/github_import/importer/repository_importer_spec.rb
@@ -70,7 +70,7 @@ describe Gitlab::GithubImport::Importer::RepositoryImporter do
 
   describe '#execute' do
     it 'imports the repository and wiki' do
-      expect(repository)
+      expect(project)
         .to receive(:empty_repo?)
         .and_return(true)
 
@@ -93,7 +93,7 @@ describe Gitlab::GithubImport::Importer::RepositoryImporter do
     end
 
     it 'does not import the repository if it already exists' do
-      expect(repository)
+      expect(project)
         .to receive(:empty_repo?)
         .and_return(false)
 
@@ -115,7 +115,7 @@ describe Gitlab::GithubImport::Importer::RepositoryImporter do
     end
 
     it 'does not import the wiki if it is disabled' do
-      expect(repository)
+      expect(project)
         .to receive(:empty_repo?)
         .and_return(true)
 
@@ -137,7 +137,7 @@ describe Gitlab::GithubImport::Importer::RepositoryImporter do
     end
 
     it 'does not import the wiki if the repository could not be imported' do
-      expect(repository)
+      expect(project)
         .to receive(:empty_repo?)
         .and_return(true)
 
diff --git a/spec/models/blob_viewer/package_json_spec.rb b/spec/models/blob_viewer/package_json_spec.rb
index 0f8330e91c1..5ed2f4400bc 100644
--- a/spec/models/blob_viewer/package_json_spec.rb
+++ b/spec/models/blob_viewer/package_json_spec.rb
@@ -22,4 +22,51 @@ describe BlobViewer::PackageJson do
       expect(subject.package_name).to eq('module-name')
     end
   end
+
+  describe '#package_url' do
+    it 'returns the package URL' do
+      expect(subject).to receive(:prepare!)
+
+      expect(subject.package_url).to eq("https://www.npmjs.com/package/#{subject.package_name}")
+    end
+  end
+
+  describe '#package_type' do
+    it 'returns "package"' do
+      expect(subject).to receive(:prepare!)
+
+      expect(subject.package_type).to eq('package')
+    end
+  end
+
+  context 'when package.json has "private": true' do
+    let(:data) do
+      <<-SPEC.strip_heredoc
+      {
+        "name": "module-name",
+        "version": "10.3.1",
+        "private": true,
+        "homepage": "myawesomepackage.com"
+      }
+      SPEC
+    end
+    let(:blob) { fake_blob(path: 'package.json', data: data) }
+    subject { described_class.new(blob) }
+
+    describe '#package_url' do
+      it 'returns homepage if any' do
+        expect(subject).to receive(:prepare!)
+
+        expect(subject.package_url).to eq('myawesomepackage.com')
+      end
+    end
+
+    describe '#package_type' do
+      it 'returns "private package"' do
+        expect(subject).to receive(:prepare!)
+
+        expect(subject.package_type).to eq('private package')
+      end
+    end
+  end
 end
diff --git a/spec/models/ci/pipeline_spec.rb b/spec/models/ci/pipeline_spec.rb
index 856e17b20bd..a1f63a2534b 100644
--- a/spec/models/ci/pipeline_spec.rb
+++ b/spec/models/ci/pipeline_spec.rb
@@ -1530,4 +1530,16 @@ describe Ci::Pipeline, :mailer do
       expect(query_count).to eq(1)
     end
   end
+
+  describe '#total_size' do
+    let!(:build_job1) { create(:ci_build, pipeline: pipeline, stage_idx: 0) }
+    let!(:build_job2) { create(:ci_build, pipeline: pipeline, stage_idx: 0) }
+    let!(:test_job_failed_and_retried) { create(:ci_build, :failed, :retried, pipeline: pipeline, stage_idx: 1) }
+    let!(:second_test_job) { create(:ci_build, pipeline: pipeline, stage_idx: 1) }
+    let!(:deploy_job) { create(:ci_build, pipeline: pipeline, stage_idx: 2) }
+
+    it 'returns all jobs (including failed and retried)' do
+      expect(pipeline.total_size).to eq(5)
+    end
+  end
 end
diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index d18a5c9dfa6..cd955a5eb69 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -13,6 +13,45 @@ describe Commit do
     it { is_expected.to include_module(StaticModel) }
   end
 
+  describe '.lazy' do
+    set(:project) { create(:project, :repository) }
+
+    context 'when the commits are found' do
+      let(:oids) do
+        %w(
+          498214de67004b1da3d820901307bed2a68a8ef6
+          c642fe9b8b9f28f9225d7ea953fe14e74748d53b
+          6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
+          048721d90c449b244b7b4c53a9186b04330174ec
+          281d3a76f31c812dbf48abce82ccf6860adedd81
+        )
+      end
+
+      subject { oids.map { |oid| described_class.lazy(project, oid) } }
+
+      it 'batches requests for commits' do
+        expect(project.repository).to receive(:commits_by).once.and_call_original
+
+        subject.first.title
+        subject.last.title
+      end
+
+      it 'maintains ordering' do
+        subject.each_with_index do |commit, i|
+          expect(commit.id).to eq(oids[i])
+        end
+      end
+    end
+
+    context 'when not found' do
+      it 'returns nil as commit' do
+        commit = described_class.lazy(project, 'deadbeef').__sync
+
+        expect(commit).to be_nil
+      end
+    end
+  end
+
   describe '#author' do
     it 'looks up the author in a case-insensitive way' do
       user = create(:user, email: commit.author_email.upcase)
diff --git a/spec/models/concerns/blocks_json_serialization_spec.rb b/spec/models/concerns/blocks_json_serialization_spec.rb
new file mode 100644
index 00000000000..5906b588d0e
--- /dev/null
+++ b/spec/models/concerns/blocks_json_serialization_spec.rb
@@ -0,0 +1,17 @@
+require 'rails_helper'
+
+describe BlocksJsonSerialization do
+  DummyModel = Class.new do
+    include BlocksJsonSerialization
+  end
+
+  it 'blocks as_json' do
+    expect { DummyModel.new.as_json }
+      .to raise_error(described_class::JsonSerializationError, /DummyModel/)
+  end
+
+  it 'blocks to_json' do
+    expect { DummyModel.new.to_json }
+      .to raise_error(described_class::JsonSerializationError, /DummyModel/)
+  end
+end
diff --git a/spec/models/concerns/issuable_spec.rb b/spec/models/concerns/issuable_spec.rb
index 9df26f06a11..4b217df2e8f 100644
--- a/spec/models/concerns/issuable_spec.rb
+++ b/spec/models/concerns/issuable_spec.rb
@@ -291,7 +291,7 @@ describe Issuable do
 
     context 'total_time_spent is updated' do
       before do
-        issue.spend_time(duration: 2, user: user, spent_at: Time.now)
+        issue.spend_time(duration: 2, user_id: user.id, spent_at: Time.now)
         issue.save
         expect(Gitlab::HookData::IssuableBuilder)
           .to receive(:new).with(issue).and_return(builder)
@@ -485,7 +485,7 @@ describe Issuable do
     let(:issue) { create(:issue) }
 
     def spend_time(seconds)
-      issue.spend_time(duration: seconds, user: user)
+      issue.spend_time(duration: seconds, user_id: user.id)
       issue.save!
     end
 
diff --git a/spec/models/concerns/milestoneish_spec.rb b/spec/models/concerns/milestoneish_spec.rb
index 9048da0c73d..673c609f534 100644
--- a/spec/models/concerns/milestoneish_spec.rb
+++ b/spec/models/concerns/milestoneish_spec.rb
@@ -189,9 +189,9 @@ describe Milestone, 'Milestoneish' do
 
   describe '#total_issue_time_spent' do
     it 'calculates total issue time spent' do
-      closed_issue_1.spend_time(duration: 300, user: author)
+      closed_issue_1.spend_time(duration: 300, user_id: author.id)
       closed_issue_1.save!
-      closed_issue_2.spend_time(duration: 600, user: assignee)
+      closed_issue_2.spend_time(duration: 600, user_id: assignee.id)
       closed_issue_2.save!
 
       expect(milestone.total_issue_time_spent).to eq(900)
diff --git a/spec/models/project_services/jira_service_spec.rb b/spec/models/project_services/jira_service_spec.rb
index ad22fb2a386..c9b3c6cf602 100644
--- a/spec/models/project_services/jira_service_spec.rb
+++ b/spec/models/project_services/jira_service_spec.rb
@@ -395,6 +395,26 @@ describe JiraService do
     end
   end
 
+  describe 'additional cookies' do
+    let(:project) { create(:project) }
+
+    context 'provides additional cookies to allow basic auth with oracle webgate' do
+      before do
+        @service = project.create_jira_service(
+          active: true, properties: { url: 'http://jira.com' })
+      end
+
+      after do
+        @service.destroy!
+      end
+
+      it 'is initialized' do
+        expect(@service.options[:use_cookies]).to eq(true)
+        expect(@service.options[:additional_cookies]).to eq(["OBBasicAuth=fromDialog"])
+      end
+    end
+  end
+
   describe 'project and issue urls' do
     let(:project) { create(:project) }
 
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index f805f2dcddb..cbeac2f05d3 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -1863,11 +1863,10 @@ describe Project do
       project.change_head(project.default_branch)
     end
 
-    it 'creates the new reference' do
-      expect(project.repository.raw_repository).to receive(:write_ref).with('HEAD',
+    it 'creates the new reference with rugged' do
+      expect(project.repository.rugged.references).to receive(:create).with('HEAD',
                                                                             "refs/heads/#{project.default_branch}",
                                                                             force: true)
-
       project.change_head(project.default_branch)
     end
 
diff --git a/spec/models/repository_spec.rb b/spec/models/repository_spec.rb
index 799d99c0369..9a68ae086ea 100644
--- a/spec/models/repository_spec.rb
+++ b/spec/models/repository_spec.rb
@@ -239,6 +239,54 @@ describe Repository do
     end
   end
 
+  describe '#commits_by' do
+    set(:project) { create(:project, :repository) }
+
+    shared_examples 'batch commits fetching' do
+      let(:oids) { TestEnv::BRANCH_SHA.values }
+
+      subject { project.repository.commits_by(oids: oids) }
+
+      it 'finds each commit' do
+        expect(subject).not_to include(nil)
+        expect(subject.size).to eq(oids.size)
+      end
+
+      it 'returns only Commit instances' do
+        expect(subject).to all( be_a(Commit) )
+      end
+
+      context 'when some commits are not found ' do
+        let(:oids) do
+          ['deadbeef'] + TestEnv::BRANCH_SHA.values.first(10)
+        end
+
+        it 'returns only found commits' do
+          expect(subject).not_to include(nil)
+          expect(subject.size).to eq(10)
+        end
+      end
+
+      context 'when no oids are passed' do
+        let(:oids) { [] }
+
+        it 'does not call #batch_by_oid' do
+          expect(Gitlab::Git::Commit).not_to receive(:batch_by_oid)
+
+          subject
+        end
+      end
+    end
+
+    context 'when Gitaly list_commits_by_oid is enabled' do
+      it_behaves_like 'batch commits fetching'
+    end
+
+    context 'when Gitaly list_commits_by_oid is enabled', :disable_gitaly do
+      it_behaves_like 'batch commits fetching'
+    end
+  end
+
   describe '#find_commits_by_message' do
     shared_examples 'finding commits by message' do
       it 'returns commits with messages containing a given string' do
@@ -1163,6 +1211,15 @@ describe Repository do
     end
   end
 
+  describe '#tag_exists?' do
+    it 'uses tag_names' do
+      allow(repository).to receive(:tag_names).and_return(['foobar'])
+
+      expect(repository.tag_exists?('foobar')).to eq(true)
+      expect(repository.tag_exists?('master')).to eq(false)
+    end
+  end
+
   describe '#branch_names', :use_clean_rails_memory_store_caching do
     let(:fake_branch_names) { ['foobar'] }
 
@@ -1922,23 +1979,6 @@ describe Repository do
 
       File.delete(path)
     end
-
-    it "attempting to call keep_around when exists a lock does not fail" do
-      ref = repository.send(:keep_around_ref_name, sample_commit.id)
-      path = File.join(repository.path, ref)
-      lock_path = "#{path}.lock"
-
-      FileUtils.mkdir_p(File.dirname(path))
-      File.open(lock_path, 'w') { |f| f.write('') }
-
-      begin
-        expect { repository.keep_around(sample_commit.id) }.not_to raise_error(Gitlab::Git::Repository::GitError)
-
-        expect(File.exist?(lock_path)).to be_falsey
-      ensure
-        File.delete(path)
-      end
-    end
   end
 
   describe '#update_ref' do
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 4687d9dfa00..e58e7588df0 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -12,6 +12,7 @@ describe User do
     it { is_expected.to include_module(Referable) }
     it { is_expected.to include_module(Sortable) }
     it { is_expected.to include_module(TokenAuthenticatable) }
+    it { is_expected.to include_module(BlocksJsonSerialization) }
   end
 
   describe 'delegations' do
diff --git a/spec/policies/ci/pipeline_schedule_policy_spec.rb b/spec/policies/ci/pipeline_schedule_policy_spec.rb
new file mode 100644
index 00000000000..1b0e9fac355
--- /dev/null
+++ b/spec/policies/ci/pipeline_schedule_policy_spec.rb
@@ -0,0 +1,92 @@
+require 'spec_helper'
+
+describe Ci::PipelineSchedulePolicy, :models do
+  set(:user) { create(:user) }
+  set(:project) { create(:project, :repository) }
+  set(:pipeline_schedule) { create(:ci_pipeline_schedule, :nightly, project: project) }
+
+  let(:policy) do
+    described_class.new(user, pipeline_schedule)
+  end
+
+  describe 'rules' do
+    describe 'rules for protected ref' do
+      before do
+        project.add_developer(user)
+      end
+
+      context 'when no one can push or merge to the branch' do
+        before do
+          create(:protected_branch, :no_one_can_push,
+                 name: pipeline_schedule.ref, project: project)
+        end
+
+        it 'does not include ability to play pipeline schedule' do
+          expect(policy).to be_disallowed :play_pipeline_schedule
+        end
+      end
+
+      context 'when developers can push to the branch' do
+        before do
+          create(:protected_branch, :developers_can_merge,
+                 name: pipeline_schedule.ref, project: project)
+        end
+
+        it 'includes ability to update pipeline' do
+          expect(policy).to be_allowed :play_pipeline_schedule
+        end
+      end
+
+      context 'when no one can create the tag' do
+        let(:tag) { 'v1.0.0' }
+
+        before do
+          pipeline_schedule.update(ref: tag)
+
+          create(:protected_tag, :no_one_can_create,
+                 name: pipeline_schedule.ref, project: project)
+        end
+
+        it 'does not include ability to play pipeline schedule' do
+          expect(policy).to be_disallowed :play_pipeline_schedule
+        end
+      end
+
+      context 'when no one can create the tag but it is not a tag' do
+        before do
+          create(:protected_tag, :no_one_can_create,
+                 name: pipeline_schedule.ref, project: project)
+        end
+
+        it 'includes ability to play pipeline schedule' do
+          expect(policy).to be_allowed :play_pipeline_schedule
+        end
+      end
+    end
+
+    describe 'rules for owner of schedule' do
+      before do
+        project.add_developer(user)
+        pipeline_schedule.update(owner: user)
+      end
+
+      it 'includes abilities to do do all operations on pipeline schedule' do
+        expect(policy).to be_allowed :play_pipeline_schedule
+        expect(policy).to be_allowed :update_pipeline_schedule
+        expect(policy).to be_allowed :admin_pipeline_schedule
+      end
+    end
+
+    describe 'rules for a master' do
+      before do
+        project.add_master(user)
+      end
+
+      it 'includes abilities to do do all operations on pipeline schedule' do
+        expect(policy).to be_allowed :play_pipeline_schedule
+        expect(policy).to be_allowed :update_pipeline_schedule
+        expect(policy).to be_allowed :admin_pipeline_schedule
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/merge_requests_spec.rb b/spec/requests/api/merge_requests_spec.rb
index 91616da6d9a..60dbd74d59d 100644
--- a/spec/requests/api/merge_requests_spec.rb
+++ b/spec/requests/api/merge_requests_spec.rb
@@ -150,6 +150,26 @@ describe API::MergeRequests do
         expect(json_response.length).to eq(1)
         expect(json_response.first['id']).to eq(merge_request3.id)
       end
+
+      context 'search params' do
+        before do
+          merge_request.update(title: 'Search title', description: 'Search description')
+        end
+
+        it 'returns merge requests matching given search string for title' do
+          get api("/merge_requests", user), search: merge_request.title
+
+          expect(json_response.length).to eq(1)
+          expect(json_response.first['id']).to eq(merge_request.id)
+        end
+
+        it 'returns merge requests for project matching given search string for description' do
+          get api("/merge_requests", user), project_id: project.id, search: merge_request.description
+
+          expect(json_response.length).to eq(1)
+          expect(json_response.first['id']).to eq(merge_request.id)
+        end
+      end
     end
   end
 
diff --git a/spec/serializers/merge_request_serializer_spec.rb b/spec/serializers/merge_request_serializer_spec.rb
index e3abefa6d63..1ad974c774b 100644
--- a/spec/serializers/merge_request_serializer_spec.rb
+++ b/spec/serializers/merge_request_serializer_spec.rb
@@ -1,37 +1,43 @@
 require 'spec_helper'
 
 describe MergeRequestSerializer do
-  let(:user) { build_stubbed(:user) }
-  let(:merge_request) { build_stubbed(:merge_request) }
-
-  let(:serializer) do
+  let(:user) { create(:user) }
+  let(:resource) { create(:merge_request) }
+  let(:json_entity) do
     described_class.new(current_user: user)
+      .represent(resource, serializer: serializer)
+      .with_indifferent_access
   end
 
-  describe '#represent' do
-    let(:opts) { { serializer: serializer_entity } }
-    subject { serializer.represent(merge_request, serializer: serializer_entity) }
+  context 'widget merge request serialization' do
+    let(:serializer) { 'widget' }
 
-    context 'when passing basic serializer param' do
-      let(:serializer_entity) { 'basic' }
+    it 'matches issue json schema' do
+      expect(json_entity).to match_schema('entities/merge_request_widget')
+    end
+  end
 
-      it 'calls super class #represent with correct params' do
-        expect_any_instance_of(BaseSerializer).to receive(:represent)
-          .with(merge_request, opts, MergeRequestBasicEntity)
+  context 'sidebar merge request serialization' do
+    let(:serializer) { 'sidebar' }
 
-        subject
-      end
+    it 'matches basic merge request json schema' do
+      expect(json_entity).to match_schema('entities/merge_request_basic')
     end
+  end
 
-    context 'when serializer param is falsy' do
-      let(:serializer_entity) { nil }
+  context 'basic merge request serialization' do
+    let(:serializer) { 'basic' }
+
+    it 'matches basic merge request json schema' do
+      expect(json_entity).to match_schema('entities/merge_request_basic')
+    end
+  end
 
-      it 'calls super class #represent with correct params' do
-        expect_any_instance_of(BaseSerializer).to receive(:represent)
-          .with(merge_request, opts, MergeRequestEntity)
+  context 'no serializer' do
+    let(:serializer) { nil }
 
-        subject
-      end
+    it 'raises an error' do
+      expect { json_entity }.to raise_error(NoMethodError)
     end
   end
 end
diff --git a/spec/serializers/merge_request_entity_spec.rb b/spec/serializers/merge_request_widget_entity_spec.rb
index 1ad672fd355..a5924a8589c 100644
--- a/spec/serializers/merge_request_entity_spec.rb
+++ b/spec/serializers/merge_request_widget_entity_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe MergeRequestEntity do
+describe MergeRequestWidgetEntity do
   let(:project)  { create :project, :repository }
   let(:resource) { create(:merge_request, source_project: project, target_project: project) }
   let(:user)     { create(:user) }
@@ -35,33 +35,6 @@ describe MergeRequestEntity do
     end
   end
 
-  it 'includes issues_links' do
-    issues_links = subject[:issues_links]
-
-    expect(issues_links).to include(:closing, :mentioned_but_not_closing,
-                                    :assign_to_closing)
-  end
-
-  it 'has Issuable attributes' do
-    expect(subject).to include(:id, :iid, :author_id, :description, :lock_version, :milestone_id,
-                               :title, :updated_by_id, :created_at, :updated_at, :milestone, :labels)
-  end
-
-  it 'has time estimation attributes' do
-    expect(subject).to include(:time_estimate, :total_time_spent, :human_time_estimate, :human_total_time_spent)
-  end
-
-  it 'has important MergeRequest attributes' do
-    expect(subject).to include(:state, :deleted_at, :diff_head_sha, :merge_commit_message,
-                               :has_conflicts, :has_ci, :merge_path,
-                               :conflict_resolution_path,
-                               :cancel_merge_when_pipeline_succeeds_path,
-                               :create_issue_to_resolve_discussions_path,
-                               :source_branch_path, :target_branch_commits_path,
-                               :target_branch_tree_path, :commits_count, :merge_ongoing,
-                               :ff_only_enabled)
-  end
-
   it 'has email_patches_path' do
     expect(subject[:email_patches_path])
       .to eq("/#{resource.project.full_path}/merge_requests/#{resource.iid}.patch")
@@ -116,18 +89,6 @@ describe MergeRequestEntity do
     end
   end
 
-  it 'includes merge_event' do
-    create(:event, :merged, author: user, project: resource.project, target: resource)
-
-    expect(subject[:merge_event]).to include(:author, :updated_at)
-  end
-
-  it 'includes closed_event' do
-    create(:event, :closed, author: user, project: resource.project, target: resource)
-
-    expect(subject[:closed_event]).to include(:author, :updated_at)
-  end
-
   describe 'diverged_commits_count' do
     context 'when MR open and its diverging' do
       it 'returns diverged commits count' do
diff --git a/spec/serializers/pipeline_serializer_spec.rb b/spec/serializers/pipeline_serializer_spec.rb
index 88d347322a6..c38795ad1a1 100644
--- a/spec/serializers/pipeline_serializer_spec.rb
+++ b/spec/serializers/pipeline_serializer_spec.rb
@@ -1,6 +1,7 @@
 require 'spec_helper'
 
 describe PipelineSerializer do
+  set(:project) { create(:project, :repository) }
   set(:user) { create(:user) }
 
   let(:serializer) do
@@ -16,7 +17,7 @@ describe PipelineSerializer do
       end
 
       context 'when a single object is being serialized' do
-        let(:resource) { create(:ci_empty_pipeline) }
+        let(:resource) { create(:ci_empty_pipeline, project: project) }
 
         it 'serializers the pipeline object' do
           expect(subject[:id]).to eq resource.id
@@ -24,7 +25,7 @@ describe PipelineSerializer do
       end
 
       context 'when multiple objects are being serialized' do
-        let(:resource) { create_list(:ci_pipeline, 2) }
+        let(:resource) { create_list(:ci_pipeline, 2, project: project) }
 
         it 'serializers the array of pipelines' do
           expect(subject).not_to be_empty
@@ -100,7 +101,6 @@ describe PipelineSerializer do
 
     context 'number of queries' do
       let(:resource) { Ci::Pipeline.all }
-      let(:project) { create(:project) }
 
       before do
         # Since RequestStore.active? is true we have to allow the
diff --git a/spec/services/issuable/destroy_service_spec.rb b/spec/services/issuable/destroy_service_spec.rb
index d74d98c6079..0a3647a814f 100644
--- a/spec/services/issuable/destroy_service_spec.rb
+++ b/spec/services/issuable/destroy_service_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Issuable::DestroyService do
   let(:user) { create(:user) }
-  let(:project) { create(:project) }
+  let(:project) { create(:project, :public) }
 
   subject(:service) { described_class.new(project, user) }
 
@@ -19,6 +19,13 @@ describe Issuable::DestroyService do
 
         service.execute(issue)
       end
+
+      it 'updates the todo caches for users with todos on the issue' do
+        create(:todo, target: issue, user: user, author: user, project: project)
+
+        expect { service.execute(issue) }
+          .to change { user.todos_pending_count }.from(1).to(0)
+      end
     end
 
     context 'when issuable is a merge request' do
@@ -33,6 +40,13 @@ describe Issuable::DestroyService do
 
         service.execute(merge_request)
       end
+
+      it 'updates the todo caches for users with todos on the merge request' do
+        create(:todo, target: merge_request, user: user, author: user, project: project)
+
+        expect { service.execute(merge_request) }
+          .to change { user.todos_pending_count }.from(1).to(0)
+      end
     end
   end
 end
diff --git a/spec/services/notes/destroy_service_spec.rb b/spec/services/notes/destroy_service_spec.rb
index c9a99a43edb..64445be560e 100644
--- a/spec/services/notes/destroy_service_spec.rb
+++ b/spec/services/notes/destroy_service_spec.rb
@@ -1,15 +1,25 @@
 require 'spec_helper'
 
 describe Notes::DestroyService do
+  set(:project) { create(:project, :public) }
+  set(:issue) { create(:issue, project: project) }
+  let(:user) { issue.author }
+
   describe '#execute' do
     it 'deletes a note' do
-      project = create(:project)
-      issue = create(:issue, project: project)
       note = create(:note, project: project, noteable: issue)
 
-      described_class.new(project, note.author).execute(note)
+      described_class.new(project, user).execute(note)
 
       expect(project.issues.find(issue.id).notes).not_to include(note)
     end
+
+    it 'updates the todo counts for users with todos for the note' do
+      note = create(:note, project: project, noteable: issue)
+      create(:todo, note: note, target: issue, user: user, author: user, project: project)
+
+      expect { described_class.new(project, user).execute(note) }
+        .to change { user.todos_pending_count }.from(1).to(0)
+    end
   end
 end
diff --git a/spec/services/projects/unlink_fork_service_spec.rb b/spec/services/projects/unlink_fork_service_spec.rb
index 2bba71fef4f..3ec6139bfa6 100644
--- a/spec/services/projects/unlink_fork_service_spec.rb
+++ b/spec/services/projects/unlink_fork_service_spec.rb
@@ -62,6 +62,26 @@ describe Projects::UnlinkForkService do
     expect(source.forks_count).to be_zero
   end
 
+  context 'when the source has LFS objects' do
+    let(:lfs_object) { create(:lfs_object) }
+
+    before do
+      lfs_object.projects << project
+    end
+
+    it 'links the fork to the lfs object before unlinking' do
+      subject.execute
+
+      expect(lfs_object.projects).to include(forked_project)
+    end
+
+    it 'does not fail if the lfs objects were already linked' do
+      lfs_object.projects << forked_project
+
+      expect { subject.execute }.not_to raise_error
+    end
+  end
+
   context 'when the original project was deleted' do
     it 'does not fail when the original project is deleted' do
       source = forked_project.forked_from_project
diff --git a/spec/services/quick_actions/interpret_service_spec.rb b/spec/services/quick_actions/interpret_service_spec.rb
index c35177f6ebc..eb46480fa54 100644
--- a/spec/services/quick_actions/interpret_service_spec.rb
+++ b/spec/services/quick_actions/interpret_service_spec.rb
@@ -209,7 +209,7 @@ describe QuickActions::InterpretService do
 
         expect(updates).to eq(spend_time: {
                                 duration: 3600,
-                                user: developer,
+                                user_id: developer.id,
                                 spent_at: DateTime.now.to_date
                               })
       end
@@ -221,7 +221,7 @@ describe QuickActions::InterpretService do
 
         expect(updates).to eq(spend_time: {
                                 duration: -1800,
-                                user: developer,
+                                user_id: developer.id,
                                 spent_at: DateTime.now.to_date
                               })
       end
@@ -233,7 +233,7 @@ describe QuickActions::InterpretService do
 
         expect(updates).to eq(spend_time: {
                                 duration: 1800,
-                                user: developer,
+                                user_id: developer.id,
                                 spent_at: Date.parse(date)
                               })
       end
@@ -267,7 +267,7 @@ describe QuickActions::InterpretService do
       it 'populates spend_time: :reset if content contains /remove_time_spent' do
         _, updates = service.execute(content, issuable)
 
-        expect(updates).to eq(spend_time: { duration: :reset, user: developer })
+        expect(updates).to eq(spend_time: { duration: :reset, user_id: developer.id })
       end
     end
 
diff --git a/spec/services/system_note_service_spec.rb b/spec/services/system_note_service_spec.rb
index 47412110b4b..9025589ae0b 100644
--- a/spec/services/system_note_service_spec.rb
+++ b/spec/services/system_note_service_spec.rb
@@ -927,7 +927,7 @@ describe SystemNoteService do
     # We need a custom noteable in order to the shared examples to be green.
     let(:noteable) do
       mr = create(:merge_request, source_project: project)
-      mr.spend_time(duration: 360000, user: author)
+      mr.spend_time(duration: 360000, user_id: author.id)
       mr.save!
       mr
     end
@@ -965,7 +965,7 @@ describe SystemNoteService do
     end
 
     def spend_time!(seconds)
-      noteable.spend_time(duration: seconds, user: author)
+      noteable.spend_time(duration: seconds, user_id: author.id)
       noteable.save!
     end
   end
diff --git a/spec/services/todo_service_spec.rb b/spec/services/todo_service_spec.rb
index dc2673abc73..88013acae0a 100644
--- a/spec/services/todo_service_spec.rb
+++ b/spec/services/todo_service_spec.rb
@@ -248,11 +248,26 @@ describe TodoService do
       end
     end
 
-    describe '#destroy_issuable' do
-      it 'refresh the todos count cache for the user' do
-        expect(john_doe).to receive(:update_todos_count_cache).and_call_original
+    describe '#destroy_target' do
+      it 'refreshes the todos count cache for users with todos on the target' do
+        create(:todo, target: issue, user: john_doe, author: john_doe, project: issue.project)
 
-        service.destroy_issuable(issue, john_doe)
+        expect_any_instance_of(User).to receive(:update_todos_count_cache).and_call_original
+
+        service.destroy_target(issue) { }
+      end
+
+      it 'does not refresh the todos count cache for users with only done todos on the target' do
+        create(:todo, :done, target: issue, user: john_doe, author: john_doe, project: issue.project)
+
+        expect_any_instance_of(User).not_to receive(:update_todos_count_cache)
+
+        service.destroy_target(issue) { }
+      end
+
+      it 'yields the target to the caller' do
+        expect { |b| service.destroy_target(issue, &b) }
+          .to yield_with_args(issue)
       end
     end
 
diff --git a/spec/support/api/time_tracking_shared_examples.rb b/spec/support/api/time_tracking_shared_examples.rb
index af1083f4bfd..dd3089d22e5 100644
--- a/spec/support/api/time_tracking_shared_examples.rb
+++ b/spec/support/api/time_tracking_shared_examples.rb
@@ -79,7 +79,7 @@ shared_examples 'time tracking endpoints' do |issuable_name|
 
     context 'when subtracting time' do
       it 'subtracts time of the total spent time' do
-        issuable.update_attributes!(spend_time: { duration: 7200, user: user })
+        issuable.update_attributes!(spend_time: { duration: 7200, user_id: user.id })
 
         post api("/projects/#{project.id}/#{issuable_collection_name}/#{issuable.iid}/add_spent_time", user),
              duration: '-1h'
@@ -91,7 +91,7 @@ shared_examples 'time tracking endpoints' do |issuable_name|
 
     context 'when time to subtract is greater than the total spent time' do
       it 'does not modify the total time spent' do
-        issuable.update_attributes!(spend_time: { duration: 7200, user: user })
+        issuable.update_attributes!(spend_time: { duration: 7200, user_id: user.id })
 
         post api("/projects/#{project.id}/#{issuable_collection_name}/#{issuable.iid}/add_spent_time", user),
              duration: '-1w'
@@ -119,7 +119,7 @@ shared_examples 'time tracking endpoints' do |issuable_name|
 
   describe "GET /projects/:id/#{issuable_collection_name}/:#{issuable_name}_id/time_stats" do
     it "returns the time stats for #{issuable_name}" do
-      issuable.update_attributes!(spend_time: { duration: 1800, user: user },
+      issuable.update_attributes!(spend_time: { duration: 1800, user_id: user.id },
                                   time_estimate: 3600)
 
       get api("/projects/#{project.id}/#{issuable_collection_name}/#{issuable.iid}/time_stats", user)
diff --git a/spec/support/api/v3/time_tracking_shared_examples.rb b/spec/support/api/v3/time_tracking_shared_examples.rb
index afe0f4cecda..f27a2d06c83 100644
--- a/spec/support/api/v3/time_tracking_shared_examples.rb
+++ b/spec/support/api/v3/time_tracking_shared_examples.rb
@@ -75,7 +75,7 @@ shared_examples 'V3 time tracking endpoints' do |issuable_name|
 
     context 'when subtracting time' do
       it 'subtracts time of the total spent time' do
-        issuable.update_attributes!(spend_time: { duration: 7200, user: user })
+        issuable.update_attributes!(spend_time: { duration: 7200, user_id: user.id })
 
         post v3_api("/projects/#{project.id}/#{issuable_collection_name}/#{issuable.id}/add_spent_time", user),
              duration: '-1h'
@@ -87,7 +87,7 @@ shared_examples 'V3 time tracking endpoints' do |issuable_name|
 
     context 'when time to subtract is greater than the total spent time' do
       it 'does not modify the total time spent' do
-        issuable.update_attributes!(spend_time: { duration: 7200, user: user })
+        issuable.update_attributes!(spend_time: { duration: 7200, user_id: user.id })
 
         post v3_api("/projects/#{project.id}/#{issuable_collection_name}/#{issuable.id}/add_spent_time", user),
              duration: '-1w'
@@ -115,7 +115,7 @@ shared_examples 'V3 time tracking endpoints' do |issuable_name|
 
   describe "GET /projects/:id/#{issuable_collection_name}/:#{issuable_name}_id/time_stats" do
     it "returns the time stats for #{issuable_name}" do
-      issuable.update_attributes!(spend_time: { duration: 1800, user: user },
+      issuable.update_attributes!(spend_time: { duration: 1800, user_id: user.id },
                                   time_estimate: 3600)
 
       get v3_api("/projects/#{project.id}/#{issuable_collection_name}/#{issuable.id}/time_stats", user)
diff --git a/spec/views/events/event/_push.html.haml_spec.rb b/spec/views/events/event/_push.html.haml_spec.rb
new file mode 100644
index 00000000000..f5634de4916
--- /dev/null
+++ b/spec/views/events/event/_push.html.haml_spec.rb
@@ -0,0 +1,55 @@
+require 'spec_helper'
+
+describe 'events/event/_push.html.haml' do
+  let(:event) { build_stubbed(:push_event) }
+
+  context 'with a branch' do
+    let(:payload) { build_stubbed(:push_event_payload, event: event) }
+
+    before do
+      allow(event).to receive(:push_event_payload).and_return(payload)
+    end
+
+    it 'links to the branch' do
+      allow(event.project.repository).to receive(:branch_exists?).with(event.ref_name).and_return(true)
+      link = project_commits_path(event.project, event.ref_name)
+
+      render partial: 'events/event/push', locals: { event: event }
+
+      expect(rendered).to have_link(event.ref_name, href: link)
+    end
+
+    context 'that has been deleted' do
+      it 'does not link to the branch' do
+        render partial: 'events/event/push', locals: { event: event }
+
+        expect(rendered).not_to have_link(event.ref_name)
+      end
+    end
+  end
+
+  context 'with a tag' do
+    let(:payload) { build_stubbed(:push_event_payload, event: event, ref_type: :tag, ref: 'v0.1.0') }
+
+    before do
+      allow(event).to receive(:push_event_payload).and_return(payload)
+    end
+
+    it 'links to the tag' do
+      allow(event.project.repository).to receive(:tag_exists?).with(event.ref_name).and_return(true)
+      link = project_commits_path(event.project, event.ref_name)
+
+      render partial: 'events/event/push', locals: { event: event }
+
+      expect(rendered).to have_link(event.ref_name, href: link)
+    end
+
+    context 'that has been deleted' do
+      it 'does not link to the tag' do
+        render partial: 'events/event/push', locals: { event: event }
+
+        expect(rendered).not_to have_link(event.ref_name)
+      end
+    end
+  end
+end
diff --git a/spec/workers/concerns/project_import_options_spec.rb b/spec/workers/concerns/project_import_options_spec.rb
new file mode 100644
index 00000000000..b6c111df8b9
--- /dev/null
+++ b/spec/workers/concerns/project_import_options_spec.rb
@@ -0,0 +1,40 @@
+require 'spec_helper'
+
+describe ProjectImportOptions do
+  let(:project) { create(:project, :import_started) }
+  let(:job) { { 'args' => [project.id, nil, nil], 'jid' => '123' } }
+  let(:worker_class) do
+    Class.new do
+      include Sidekiq::Worker
+      include ProjectImportOptions
+    end
+  end
+
+  it 'sets default retry limit' do
+    expect(worker_class.sidekiq_options['retry']).to eq(ProjectImportOptions::IMPORT_RETRY_COUNT)
+  end
+
+  it 'sets default status expiration' do
+    expect(worker_class.sidekiq_options['status_expiration']).to eq(StuckImportJobsWorker::IMPORT_JOBS_EXPIRATION)
+  end
+
+  describe '.sidekiq_retries_exhausted' do
+    it 'marks fork as failed' do
+      expect { worker_class.sidekiq_retries_exhausted_block.call(job) }.to change { project.reload.import_status }.from("started").to("failed")
+    end
+
+    it 'logs the appropriate error message for forked projects' do
+      allow_any_instance_of(Project).to receive(:forked?).and_return(true)
+
+      worker_class.sidekiq_retries_exhausted_block.call(job)
+
+      expect(project.reload.import_error).to include("fork")
+    end
+
+    it 'logs the appropriate error message for forked projects' do
+      worker_class.sidekiq_retries_exhausted_block.call(job)
+
+      expect(project.reload.import_error).to include("import")
+    end
+  end
+end
diff --git a/spec/workers/repository_fork_worker_spec.rb b/spec/workers/repository_fork_worker_spec.rb
index 74c85848b7e..31598586f59 100644
--- a/spec/workers/repository_fork_worker_spec.rb
+++ b/spec/workers/repository_fork_worker_spec.rb
@@ -1,17 +1,21 @@
 require 'spec_helper'
 
 describe RepositoryForkWorker do
-  let(:project) { create(:project, :repository) }
-  let(:fork_project) { create(:project, :repository, :import_scheduled, forked_from_project: project) }
-  let(:shell) { Gitlab::Shell.new }
-
-  subject { described_class.new }
-
-  before do
-    allow(subject).to receive(:gitlab_shell).and_return(shell)
+  describe 'modules' do
+    it 'includes ProjectImportOptions' do
+      expect(described_class).to include_module(ProjectImportOptions)
+    end
   end
 
   describe "#perform" do
+    let(:project) { create(:project, :repository) }
+    let(:fork_project) { create(:project, :repository, :import_scheduled, forked_from_project: project) }
+    let(:shell) { Gitlab::Shell.new }
+
+    before do
+      allow(subject).to receive(:gitlab_shell).and_return(shell)
+    end
+
     def perform!
       subject.perform(fork_project.id, '/test/path', project.disk_path)
     end
@@ -60,14 +64,7 @@ describe RepositoryForkWorker do
 
       expect_fork_repository.and_return(false)
 
-      expect { perform! }.to raise_error(RepositoryForkWorker::ForkError, error_message)
-    end
-
-    it 'handles unexpected error' do
-      expect_fork_repository.and_raise(RuntimeError)
-
-      expect { perform! }.to raise_error(RepositoryForkWorker::ForkError)
-      expect(fork_project.reload.import_status).to eq('failed')
+      expect { perform! }.to raise_error(StandardError, error_message)
     end
   end
 end
diff --git a/spec/workers/repository_import_worker_spec.rb b/spec/workers/repository_import_worker_spec.rb
index 0af537647ad..85ac14eb347 100644
--- a/spec/workers/repository_import_worker_spec.rb
+++ b/spec/workers/repository_import_worker_spec.rb
@@ -1,11 +1,15 @@
 require 'spec_helper'
 
 describe RepositoryImportWorker do
-  let(:project) { create(:project, :import_scheduled) }
-
-  subject { described_class.new }
+  describe 'modules' do
+    it 'includes ProjectImportOptions' do
+      expect(described_class).to include_module(ProjectImportOptions)
+    end
+  end
 
   describe '#perform' do
+    let(:project) { create(:project, :import_scheduled) }
+
     context 'when worker was reset without cleanup' do
       let(:jid) { '12345678' }
       let(:started_project) { create(:project, :import_started, import_jid: jid) }
@@ -44,22 +48,11 @@ describe RepositoryImportWorker do
 
         expect do
           subject.perform(project.id)
-        end.to raise_error(RepositoryImportWorker::ImportError, error)
+        end.to raise_error(StandardError, error)
         expect(project.reload.import_jid).not_to be_nil
       end
     end
 
-    context 'with unexpected error' do
-      it 'marks import as failed' do
-        allow_any_instance_of(Projects::ImportService).to receive(:execute).and_raise(RuntimeError)
-
-        expect do
-          subject.perform(project.id)
-        end.to raise_error(RepositoryImportWorker::ImportError)
-        expect(project.reload.import_status).to eq('failed')
-      end
-    end
-
     context 'when using an asynchronous importer' do
       it 'does not mark the import process as finished' do
         service = double(:service)
diff --git a/spec/workers/run_pipeline_schedule_worker_spec.rb b/spec/workers/run_pipeline_schedule_worker_spec.rb
new file mode 100644
index 00000000000..481a84837f9
--- /dev/null
+++ b/spec/workers/run_pipeline_schedule_worker_spec.rb
@@ -0,0 +1,39 @@
+require 'spec_helper'
+
+describe RunPipelineScheduleWorker do
+  describe '#perform' do
+    set(:project) { create(:project) }
+    set(:user) { create(:user) }
+    set(:pipeline_schedule) { create(:ci_pipeline_schedule, :nightly, project: project ) }
+    let(:worker) { described_class.new }
+
+    context 'when a project not found' do
+      it 'does not call the Service' do
+        expect(Ci::CreatePipelineService).not_to receive(:new)
+        expect(worker).not_to receive(:run_pipeline_schedule)
+
+        worker.perform(100000, user.id)
+      end
+    end
+
+    context 'when a user not found' do
+      it 'does not call the Service' do
+        expect(Ci::CreatePipelineService).not_to receive(:new)
+        expect(worker).not_to receive(:run_pipeline_schedule)
+
+        worker.perform(pipeline_schedule.id, 10000)
+      end
+    end
+
+    context 'when everything is ok' do
+      let(:create_pipeline_service) { instance_double(Ci::CreatePipelineService) }
+
+      it 'calls the Service' do
+        expect(Ci::CreatePipelineService).to receive(:new).with(project, user, ref: pipeline_schedule.ref).and_return(create_pipeline_service)
+        expect(create_pipeline_service).to receive(:execute).with(:schedule, ignore_skip_ci: true, save_on_errors: false, schedule: pipeline_schedule)
+
+        worker.perform(pipeline_schedule.id, user.id)
+      end
+    end
+  end
+end
diff --git a/vendor/gitlab-ci-yml/Auto-DevOps.gitlab-ci.yml b/vendor/gitlab-ci-yml/Auto-DevOps.gitlab-ci.yml
index da4d86b9a04..275487071f3 100644
--- a/vendor/gitlab-ci-yml/Auto-DevOps.gitlab-ci.yml
+++ b/vendor/gitlab-ci-yml/Auto-DevOps.gitlab-ci.yml
@@ -89,7 +89,7 @@ sast:
     POSTGRES_DB: "false"
   allow_failure: true
   script:
-    - /app/bin/run .
+    - sast .
   artifacts:
     paths: [gl-sast-report.json]
 
@@ -232,6 +232,17 @@ production:
     docker run ${cc_opts} codeclimate/codeclimate:0.69.0 analyze -f json > codeclimate.json
   }
 
+  function sast() {
+    case "$CI_SERVER_VERSION" in
+      *-ee)
+        /app/bin/run "$@"
+        ;;
+      *)
+        echo "GitLab EE is required"
+        ;;
+    esac
+  }
+
   function deploy() {
     track="${1-stable}"
     name="$CI_ENVIRONMENT_SLUG"
diff --git a/yarn.lock b/yarn.lock
index c4d1bd3c682..55d0d33c9f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1704,14 +1704,112 @@ custom-event@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/custom-event/-/custom-event-1.0.1.tgz#5d02a46850adf1b4a317946a3928fccb5bfd0425"
 
+d3-array@^1.2.0, d3-array@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/d3-array/-/d3-array-1.2.1.tgz#d1ca33de2f6ac31efadb8e050a021d7e2396d5dc"
+
+d3-axis@^1.0.8:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/d3-axis/-/d3-axis-1.0.8.tgz#31a705a0b535e65759de14173a31933137f18efa"
+
+d3-brush@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/d3-brush/-/d3-brush-1.0.4.tgz#00c2f238019f24f6c0a194a26d41a1530ffe7bc4"
+  dependencies:
+    d3-dispatch "1"
+    d3-drag "1"
+    d3-interpolate "1"
+    d3-selection "1"
+    d3-transition "1"
+
+d3-collection@1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/d3-collection/-/d3-collection-1.0.4.tgz#342dfd12837c90974f33f1cc0a785aea570dcdc2"
+
+d3-color@1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/d3-color/-/d3-color-1.0.3.tgz#bc7643fca8e53a8347e2fbdaffa236796b58509b"
+
+d3-dispatch@1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/d3-dispatch/-/d3-dispatch-1.0.3.tgz#46e1491eaa9b58c358fce5be4e8bed626e7871f8"
+
+d3-drag@1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/d3-drag/-/d3-drag-1.2.1.tgz#df8dd4c502fb490fc7462046a8ad98a5c479282d"
+  dependencies:
+    d3-dispatch "1"
+    d3-selection "1"
+
+d3-ease@1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/d3-ease/-/d3-ease-1.0.3.tgz#68bfbc349338a380c44d8acc4fbc3304aa2d8c0e"
+
+d3-format@1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/d3-format/-/d3-format-1.2.1.tgz#4e19ecdb081a341dafaf5f555ee956bcfdbf167f"
+
+d3-interpolate@1:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/d3-interpolate/-/d3-interpolate-1.1.6.tgz#2cf395ae2381804df08aa1bf766b7f97b5f68fb6"
+  dependencies:
+    d3-color "1"
+
+d3-path@1:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/d3-path/-/d3-path-1.0.5.tgz#241eb1849bd9e9e8021c0d0a799f8a0e8e441764"
+
+d3-scale@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/d3-scale/-/d3-scale-1.0.7.tgz#fa90324b3ea8a776422bd0472afab0b252a0945d"
+  dependencies:
+    d3-array "^1.2.0"
+    d3-collection "1"
+    d3-color "1"
+    d3-format "1"
+    d3-interpolate "1"
+    d3-time "1"
+    d3-time-format "2"
+
+d3-selection@1, d3-selection@^1.1.0, d3-selection@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/d3-selection/-/d3-selection-1.2.0.tgz#1b8ec1c7cedadfb691f2ba20a4a3cfbeb71bbc88"
+
+d3-shape@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/d3-shape/-/d3-shape-1.2.0.tgz#45d01538f064bafd05ea3d6d2cb748fd8c41f777"
+  dependencies:
+    d3-path "1"
+
+d3-time-format@2, d3-time-format@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/d3-time-format/-/d3-time-format-2.1.1.tgz#85b7cdfbc9ffca187f14d3c456ffda268081bb31"
+  dependencies:
+    d3-time "1"
+
+d3-time@1, d3-time@^1.0.8:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/d3-time/-/d3-time-1.0.8.tgz#dbd2d6007bf416fe67a76d17947b784bffea1e84"
+
+d3-timer@1:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/d3-timer/-/d3-timer-1.0.7.tgz#df9650ca587f6c96607ff4e60cc38229e8dd8531"
+
+d3-transition@1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/d3-transition/-/d3-transition-1.1.1.tgz#d8ef89c3b848735b060e54a39b32aaebaa421039"
+  dependencies:
+    d3-color "1"
+    d3-dispatch "1"
+    d3-ease "1"
+    d3-interpolate "1"
+    d3-selection "^1.1.0"
+    d3-timer "1"
+
 d3@3.5.17:
   version "3.5.17"
   resolved "https://registry.yarnpkg.com/d3/-/d3-3.5.17.tgz#bc46748004378b21a360c9fc7cf5231790762fb8"
 
-d3@^3.5.11:
-  version "3.5.11"
-  resolved "https://registry.yarnpkg.com/d3/-/d3-3.5.11.tgz#d130750eed0554db70e8432102f920a12407b69c"
-
 d@1:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"