- name: "Must explicitly assign `AuthenticationType` for `[runners.cache.s3]`"
  announcement_milestone: "14.5" # The milestone when this feature was first announced as deprecated.
  announcement_date: "2021-11-22"
  removal_milestone: "15.0" # the milestone when this feature is planned to be removed
  removal_date: "2022-05-22" # the date of the milestone release when this feature is planned to be removed
  breaking_change: true
  body: | # Do not modify this line, instead modify the lines below.
    In GitLab 15.0 and later, to access the AWS S3 cache, you must specify the `AuthenticationType` for [`[runners.cache.s3]`](https://docs.gitlab.com/runner/configuration/advanced-configuration.html#the-runnerscaches3-section). The `AuthenticationType` must be `IAM` or `credentials`.

    Prior to 14.5, if you did not define the `AuthenticationType`, GitLab Runner chose a type for you.
  stage: Verify
  tiers: [Core, Premium, Ultimate]
  issue_url: https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28171
  documentation_url: https://docs.gitlab.com/runner/configuration/advanced-configuration.html#the-runnerscaches3-section