Merge remote-tracking branch 'origin/master' into 39549-label-list-page-redesign-with-draggable-labels

Resolve "POST api/v4/projects/:id/pipeline should accept variables"

Closes #25045

See merge request gitlab-org/gitlab-ce!19124

Rails 5 fix unknown keywords: changes, key_id, project, gl_repository, action,…

Closes #47368

See merge request gitlab-org/gitlab-ce!19466

Resolve "[Rails5] Fix specs with "text/plain; charset=utf-8""

Closes #47378

See merge request gitlab-org/gitlab-ce!19462

Merge branch 'blackst0ne-rails5-fix-url_for-in-app-views-admin-runners-index-html-haml' into 'master'

Resolve "[Rails5] Fix params in app/views/admin/runners/index.html.haml"

Closes #47377

See merge request gitlab-org/gitlab-ce!19461

Combine multiple `it` blocks to improve Markdown feature spec times

Closes #47348

See merge request gitlab-org/gitlab-ce!19447

Backport of "Extract EE specific files/lines for app/controllers/groups"

See merge request gitlab-org/gitlab-ce!19343

Rails 5 fix unknown keywords: changes, key_id, project, gl_repository, action, secret_token, protocol

Add registry debug server docs

See merge request gitlab-org/gitlab-ce!19457

Fix invisible rows on importer status

Closes #47363

See merge request gitlab-org/gitlab-ce!19458

Fix card header text color

Closes #47352

See merge request gitlab-org/gitlab-ce!19451

Fix project settings > merge request settings spacing

Closes #46718

See merge request gitlab-org/gitlab-ce!19444

Fix MR tabs bottom border

Closes #46764

See merge request gitlab-org/gitlab-ce!19446

Reject GPG keys that have e-mail or names with non-valid UTF-8 encodings

Closes #47280

See merge request gitlab-org/gitlab-ce!19455

Resolve "Performance bar modal is hard to read"

Closes #47049

See merge request gitlab-org/gitlab-ce!19334

These were causing 500 Errors when accessing GPG keys for some users.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/47280

Fix repository archive generation when hashed storage is enabled

Closes #45702

See merge request gitlab-org/gitlab-ce!19441

Fix transfer project namespace field

Closes #47345

See merge request gitlab-org/gitlab-ce!19445

Fix header styles

Closes #46704 and #46697

See merge request gitlab-org/gitlab-ce!19443

fix attach button cursor

Closes #46713

See merge request gitlab-org/gitlab-ce!19401

Update _destroy.haml

See merge request gitlab-org/gitlab-ce!19355

The setup of each spec is too expensive to perform as many times as we
were doing it. Reduced duration from 255 seconds to 43.

Revert "Merge branch 'jivl-add-top-margin-related-merge-requests' into 'master'"

See merge request gitlab-org/gitlab-ce!19442