Contributes to https://gitlab.com/gitlab-org/gitlab/issues/27922

Disable rugged auto-detect when Puma threads>1

See merge request gitlab-org/gitlab!22328

If Puma is in use and Puma threads is more than 1, it is expected to
have performance lose by using Rugged patches, because of Rugged calls
does not release Ruby GVL while doing IO. So in this case, we will
ignore rugged automatic detect `can_use_disk?`.

Improve GitLab pages docs

See merge request gitlab-org/gitlab!22509

Refactor `readmeFile`

Closes #121727

See merge request gitlab-org/gitlab!22243

Merge branch '12796-remove-merge_trains_enabled-column-from-project_ci_cd_settings-table-2' into 'master'

Remove merge_trains_enabled column from project_ci_cd_settings table

See merge request gitlab-org/gitlab!19701

Part of https://gitlab.com/gitlab-org/gitlab/issues/12796

See merge request https://gitlab.com/gitlab-org/gitlab/merge_requests/19701

Fix and re-enable keyset pagination

See merge request gitlab-org/gitlab!22424

Merge branch '36017-move-analytics-out-of-more-in-top-navbar-and-merge-with-instance-statistics' into 'master'

Ensure that instance statistics links are only displayed if a user has access to the features

See merge request gitlab-org/gitlab!22476

Quarantine performance bar spec

See merge request gitlab-org/gitlab!22761

Perform a real search and wait longer for success in elasticsearch QA tests

See merge request gitlab-org/gitlab!21984

It can take longer than expected for elasticsearch to be ready to index
new data. This makes sure it actually does return valid results, rather
than only accepting a query.

Fix issue with unstable UI state when disabling SSO features

See merge request gitlab-org/gitlab!22751

Resolve "Dynamic Element Validation Iteration: Improve waiting"

Closes #29033

See merge request gitlab-org/gitlab!22401

Unquarantine Secure MR E2E tests

Closes #36822 and #37231

See merge request gitlab-org/gitlab!22630

Bump workhorse version

See merge request gitlab-org/gitlab!22695

Remove unnecessary assertions from epic management end-to-end test

Closes #121573

See merge request gitlab-org/gitlab!22612

Instance statistics links should only be displayed when the features are
available for a user.

We need to seperate the logic for instance statistics and analytics.

Check if the database exists for feature gates

See merge request gitlab-org/gitlab!22481

Update GitLab's codeclimate to 0.85.6

See merge request gitlab-org/gitlab!22659

Fix flaky spec in create_pipeline_service_spec.rb

See merge request gitlab-org/gitlab!22762

Softened cautionary language for required pipeline configuration feature docs

See merge request gitlab-org/gitlab!22739

CI Lint Error Formatting

See merge request gitlab-org/gitlab!21608

Show validation status in callout
Display JSON error context below callout when validation fails

Before calling out to the database to check if a feature is enabled or
not, first check if the database exists.

This allows us to use feature checks during the setup of the
application.

Enable cross project artifacts in needs

Closes #118805

See merge request gitlab-org/gitlab!22161

(cherry picked from commit fbb65a15910122689f307fe19dff042ef648a32d)

Resolve "Web IDE: Discarding changes on re-named entries"

See merge request gitlab-org/gitlab!22573

In https://gitlab.com/gitlab-org/gitlab/-/jobs/398915713, the job
failed because the database returned a different ordering. Fix this
by just matching the array contents.

Replace localVue.set with setData

Closes #196137

See merge request gitlab-org/gitlab!22756

Bump cluster-applications image to v0.4.0, adding support to install cert-manager

See merge request gitlab-org/gitlab!22657

This includes support for installing cert-manager as an application, and
incorporates the fix to create $TILLER_NAMESPACE

See
https://gitlab.com/gitlab-org/cluster-integration/cluster-applications/-/tags/v0.4.0

Also document how to install Cert-manager using the cluster-applications
image.

Add warnings about changes: to CI Config docs

See merge request gitlab-org/gitlab!21685

Change set to let_it_be in spec/services

See merge request gitlab-org/gitlab!22533

Remove sync: false

See merge request gitlab-org/gitlab!22535