Demonstrate <details> and <summary> tags in doc/user/markdown.md

See merge request gitlab-org/gitlab-ce!14247

Migrate Gitlab::Git::Repository#diff to Gitaly

Closes gitaly#524

See merge request gitlab-org/gitlab-ce!14251

Index projects on repository storage

See merge request gitlab-org/gitlab-ce!14414

Replace the 'project/shortcuts.feature' spinach test with an rspec analog

See merge request gitlab-org/gitlab-ce!14431

Fix `rake gitlab:incoming_email:check`

Closes #38197

See merge request gitlab-org/gitlab-ce!14423

Reserve refs/replace because `git-replace` is using it

Closes #38234

See merge request gitlab-org/gitlab-ce!14436

Adds gitlab features and components to usage ping data.

Closes #33328

See merge request gitlab-org/gitlab-ce!14305

[ci skip]

Ensure that Blob.raw returns always returns a valid blob object

See merge request gitlab-org/gitlab-ce!14412

Add i18n support to pagination widget

See merge request gitlab-org/gitlab-ce!14407

Improve emoji menu rendering performance

Closes #36949

See merge request gitlab-org/gitlab-ce!14233

Fix bad link on GitLab Omnibus Helm chart page - docs

Closes #38016

See merge request gitlab-org/gitlab-ce!14346

Simplify a test

See merge request gitlab-org/gitlab-ce!14415

See:
* https://www.kernel.org/pub/software/scm/git/docs/git-replace.html
* https://git-scm.com/book/en/v2/Git-Tools-Replace

Resolve "Better SVG Usage in the Frontend"

Closes #36231

See merge request gitlab-org/gitlab-ce!13435

Add view replaced file link for image diffs

See merge request gitlab-org/gitlab-ce!14394

Do not clone the repo when running the review-docs jobs

See merge request gitlab-org/gitlab-ce!14420

Replace the 'project/service.feature' spinach test with an rspec analog

Closes #23036

See merge request gitlab-org/gitlab-ce!14432

Removed two legacy config options

See merge request gitlab-org/gitlab-ce!14425

Display full pre-receive and post-receive hook output in GitLab UI

Closes #25214

See merge request gitlab-org/gitlab-ce!14222

Fix rendering double note issue

Closes #38139

See merge request gitlab-org/gitlab-ce!14429

Removed the max_size and timeout options from the git config in
gitlab.yml.

IssueNotes: Switch back to Write pane when note cancel or submit.

Closes #37907

See merge request gitlab-org/gitlab-ce!14402

Upgrade Nokogiri because of CVE-2017-9050

See merge request gitlab-org/gitlab-ce!14427