Fix counter cache invalidation

Closes #32854 and #32870

See merge request !11736

Postgresql 9.2 is the minimum version from GitLab 9.3, not 9.0

See merge request !11737

Fixed create new label form in issue form not working for sub-group projects

Closes #32906

See merge request !11703

Fix Counter Cache not being disabled for acts-on-taggable

Closes #30582

See merge request !11727

Add API URL to JIRA settings

Closes #31448

See merge request !11707

Fix buffering in DiffCollection

See merge request !11659

Fix error thrown with missing note fragment in DOM

Closes #32888

See merge request !11700

Set emoji-menu z-index to 200

Closes #32632

See merge request !11686

Resolve "Resolved discussions icon is misaligned"

Closes #32683

See merge request !11711

Drop support for postgresql 9.1 in GitLab 9.3

Closes #32851

See merge request !11677

Fixed locale frontend not picking up regions

Closes #32913

See merge request !11717

Remove trigger docs job

See merge request !11574

Return the last coverage in trace stream

Closes #31556

See merge request !11128

Resolve "Audit long-term cacheability of webpack assets"

Closes #32737

See merge request !11622

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/32888

Reproduction:

 1. Visit /namespace/project/merge_requests/x/diffs#note_1234
 1. When `#note_1234` isn't in the diff, an error is thrown

Clean up diff rendering

See merge request !11390

Resolve "GitLab 9.0 to 9.2 is incompatible with PostgreSQL 9.1"

See merge request !11709

Add small update for the i18n guide.

See merge request !11719

Prevent commits from upstream repositories to be re-processed by forks

Closes #19262

See merge request !11511

Provide default for calculating label text color

Closes #32728

See merge request !11681

Bugfix: Always use the default language when generating emails.

Closes #32748

See merge request !11662

Recompile test env Gitaly when `GITALY_SERVER_VERSION` fails

Closes #32762

See merge request !11664