3 files changed, 10 insertions, 5 deletions
diff --git a/release/scripts/startup/bl_operators/userpref.py b/release/scripts/startup/bl_operators/userpref.py
index b052f333d2a..0cd90610cdc 100644
--- a/release/scripts/startup/bl_operators/userpref.py
+++ b/release/scripts/startup/bl_operators/userpref.py
@@ -114,7 +114,8 @@ class PREFERENCES_OT_copy_prev(Operator):
 
         shutil.copytree(self._old_path(), self._new_path(), symlinks=True)
 
-        # reload recent-files.txt
+        # reload preferences and recent-files.txt
+        bpy.ops.wm.read_userpref()
         bpy.ops.wm.read_history()
 
         # don't loose users work if they open the splash later.
diff --git a/release/scripts/startup/bl_operators/uvcalc_lightmap.py b/release/scripts/startup/bl_operators/uvcalc_lightmap.py
index 2b20754a995..2befb7c73e2 100644
--- a/release/scripts/startup/bl_operators/uvcalc_lightmap.py
+++ b/release/scripts/startup/bl_operators/uvcalc_lightmap.py
@@ -565,7 +565,12 @@ def unwrap(operator, context, **kwargs):
         bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
 
     # define list of meshes
-    meshes = list({me for obj in context.selected_objects if obj.type == 'MESH' for me in (obj.data,) if me.polygons and me.library is None})
+    meshes = list({
+        me for obj in context.selected_objects
+        if obj.type == 'MESH'
+        for me in (obj.data,)
+        if me.polygons and me.library is None
+    })
 
     if not meshes:
         operator.report({'ERROR'}, "No mesh object")
diff --git a/release/scripts/startup/bl_operators/wm.py b/release/scripts/startup/bl_operators/wm.py
index cb9af88f45f..5a6db45c329 100644
--- a/release/scripts/startup/bl_operators/wm.py
+++ b/release/scripts/startup/bl_operators/wm.py
@@ -1107,7 +1107,7 @@ class WM_OT_doc_view(Operator):
     bl_label = "View Documentation"
 
     doc_id: doc_id
-    if bpy.app.version_cycle in {"release", "rc"}:
+    if bpy.app.version_cycle in {"release", "rc", "beta"}:
         _prefix = ("https://docs.blender.org/api/%d.%d%s" %
                    (bpy.app.version[0], bpy.app.version[1], bpy.app.version_char))
     else:
@@ -1999,7 +1999,6 @@ class WM_OT_batch_rename(Operator):
                     descr,
                 )
 
-
         return data
 
     @staticmethod
@@ -2042,7 +2041,7 @@ class WM_OT_batch_rename(Operator):
                     if action.use_replace_regex_dst:
                         replace_dst = action.replace_dst
                     else:
-                        replace_dst = re.escape(action.replace_dst)
+                        replace_dst = action.replace_dst.replace("\\", "\\\\")
                 else:
                     replace_src = re.escape(action.replace_src)
                     replace_dst = re.escape(action.replace_dst)