This is no longer needed with Rails 5.2. opclass is the attribute used
per https://github.com/rails/rails/pull/19090/files.

Now that we've removed the monkey patch and restored the Rails schema
dumper, it appears Rails has dropped the inclusion of `using: :btree` as
well (https://github.com/rails/rails/pull/27981).

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/64529

Enable Junit reports

Closes #64756

See merge request gitlab-org/gitlab-ce!30931

Make pipeline emails respect group email setting

Closes #63485

See merge request gitlab-org/gitlab-ce!30907

Remove :livesum from RubySampler metrics

See merge request gitlab-org/gitlab-ce!31047

Add index for issues on relative position, project, and state for manual sorting

See merge request gitlab-org/gitlab-ce!30542

Make Bootsnap available via ENABLE_BOOTSNAP=1

Closes #45230

See merge request gitlab-org/gitlab-ce!30963

Ensure test is on login page before attempting login

See merge request gitlab-org/gitlab-ce!31040

CE Port: Log impersonation actions in audit log

See merge request gitlab-org/gitlab-ce!31039

Rake task to cleanup expired ActiveSession lookup keys

See merge request gitlab-org/gitlab-ce!30668

Extend yamllint test to changelogs

See merge request gitlab-org/gitlab-ce!31017

cc !30979

Multiple pipeline support for Build status

See merge request gitlab-org/gitlab-ce!30828

Add better error message to MembersMapper#ensure_default_member!

See merge request gitlab-org/gitlab-ce!30838

Remove duplicated mapping key in config/locales/en.yml

See merge request gitlab-org/gitlab-ce!30980

Adds specs for testing the new behavior of specifying a pipeline when
POSTing a status.

Support remove source branch on merge w/ push options

See merge request gitlab-org/gitlab-ce!30728

Bring backward compatibility for request profiles

See merge request gitlab-org/gitlab-ce!30956

It seems that we missed the backward compatibility support
for profiles in the existing folder.

This commit also fixes some specs to be idempotent
and work in a temporary directory which not always
seems to be the case.

This commit also brings the profile_spec.rb which seems
to be missing.

Updates all our stylelint dependencies

See merge request gitlab-org/gitlab-ce!31028

Removed stylelint-error-string-formatter
 as this was having a circular reference fail

Resolve difference in app/assets/stylesheets/application.scss

See merge request gitlab-org/gitlab-ce!31007

Port common class only used in EE

See merge request gitlab-org/gitlab-ce!31008

hoverable area on collapsed sidebar icons

Closes #61207

See merge request gitlab-org/gitlab-ce!30974

CE-EE parity for pipelines development fixture

See merge request gitlab-org/gitlab-ce!30870

Update GitLab Runner Helm Chart to 0.7.0/12.1.0

See merge request gitlab-org/gitlab-ce!30950

This change adds audit logs for user impersonation
when an admin starts/stops impersonating
another user.

Update webpack-bundle-analyzer to 3.3.2

See merge request gitlab-org/gitlab-ce!31035

When a user's notification email is set for a group, we
should use that for pipeline emails

This is needed to fix an issue where updating to the latest Webpack
causes an acorn dependency error:
https://github.com/webpack-contrib/webpack-bundle-analyzer/issues/245

Seen while trying to update dependencies for Mermaid in
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/30985

Docs: Update old SAML settings screenshot

See merge request gitlab-org/gitlab-ce!31031

QA: Prefer `flat_map` over `map` + `flatten`

See merge request gitlab-org/gitlab-ce!30883

Port EE specific settings to CE

See merge request gitlab-org/gitlab-ce!30998