Prevent Unicorn crashing in development on macOS

See merge request gitlab-org/gitlab-ce!16649

Document how to configure Fog with Digital Ocean Spaces

Closes gitlab-ee#4419

See merge request gitlab-org/gitlab-ce!16597

Update rack attack docs

See merge request gitlab-org/gitlab-ce!16328

Merge branch '42022-allow-users-to-request-access-not-visible-when-project-visibility-is-public' into 'master'

Fix visibility of "Allow users to request access" option in public projects

Closes #42022

See merge request gitlab-org/gitlab-ce!16485

Document advantages of axios-mock-adapter

See merge request gitlab-org/gitlab-ce!16645

Add ability to drive the API in QA specs

See merge request gitlab-org/gitlab-ce!16265

Upgraded all vue libraries

See merge request gitlab-org/gitlab-ce!16413

Incorporate Gitaly's RemoteService.UpdateRemoteMirror RPC

Closes gitaly#936

See merge request gitlab-org/gitlab-ce!16536

Incorporate Gitaly's OperationService.UserCommitFiles RPC

Closes gitaly#890

See merge request gitlab-org/gitlab-ce!16307

Add note about live_debug only working on javascript enabled specs

See merge request gitlab-org/gitlab-ce!16625

Backport for Resolve "change status icon for reports when fails to be found or cannot load"

See merge request gitlab-org/gitlab-ce!16616

Archive changelogs for versions before 8.16

See merge request gitlab-org/gitlab-ce!16624

Resolve ""This job has not been triggered yet"  after hitting "Retry""

Closes #42119

See merge request gitlab-org/gitlab-ce!16583

Resolve "Cannot change project visibility from Private (even when owner)"

Closes #40612

See merge request gitlab-org/gitlab-ce!16595

Fix callback alignments

See merge request gitlab-org/gitlab-ce!16596

Fix eslint - UserCallout reference

Closes #42298

See merge request gitlab-org/gitlab-ce!16630

Use has_table_privilege for TRIGGER on PostgreSQL

Closes #38634

See merge request gitlab-org/gitlab-ce!16618

[ci skip]

Update CHANGELOG.md

See merge request gitlab-org/gitlab-ce!16628

Add Gitlab::Profiler for profiling from a console or runner

See merge request gitlab-org/gitlab-ce!16552

refactor for projects-r*, s*

See merge request gitlab-org/gitlab-ce!16351

Fix Error 500 when repository has no avatar

Closes #42249

See merge request gitlab-org/gitlab-ce!16601

Loading spinner not stop even on errors in the Issuable Templates

Closes #40029

See merge request gitlab-org/gitlab-ce!16600

Use gitlab-shell 6.0.2

See merge request gitlab-org/gitlab-ce!16612

Use gitlab-workhorse 3.5.1

See merge request gitlab-org/gitlab-ce!16588

Default to Gitaly for 'git push' HTTP/SSH, and make Gitaly mandatory for SSH pull

See merge request gitlab-org/gitlab-ce!16586