Improvement to ci/yaml documentation

See merge request gitlab-org/gitlab-ce!22613

Resolve "Adding issues from group/project board is not allowed for project-level users"

See merge request gitlab-org/gitlab-ce!22557

Resolve "Filter by `None`/`Any` for assignee_id in issues/mrs API"

Closes #52384

See merge request gitlab-org/gitlab-ce!22598

Preload user status for label events

Closes #53164

See merge request gitlab-org/gitlab-ce!22609

Support backward compatibility when introduce new failure reason

See merge request gitlab-org/gitlab-ce!22566

Link button in markdown editor recognize URLs

Closes #52115

See merge request gitlab-org/gitlab-ce!22547

Fix stage dropdown rendering only in English

Closes #53133

See merge request gitlab-org/gitlab-ce!22604

Fix inaccessible dropdown for code-less projects

Closes #51306

See merge request gitlab-org/gitlab-ce!22137

Remove .katex-display from selector

See merge request gitlab-org/gitlab-ce!22580

Puma in GDK and rack server lifecycle event abstractions

Closes #52762

See merge request gitlab-org/gitlab-ce!22372

Re-enable debug logging of Git commands and output

See merge request gitlab-org/gitlab-ce!22608

Resolve "Prometheus dashboard broken on Firefox"

Closes #40372

See merge request gitlab-org/gitlab-ce!22400

Resolve "LDAP rename_provider rake task broken"

Closes #52993

See merge request gitlab-org/gitlab-ce!22582

Add reusable component for counting down

See merge request gitlab-org/gitlab-ce!22499

Always use `attribute` to define the product

Closes gitlab-qa#235 and #51826

See merge request gitlab-org/gitlab-ce!22327

Add title to commit links in list view

Closes #42673

See merge request gitlab-org/gitlab-ce!22585

Prettify all the things (part 3)

See merge request gitlab-org/gitlab-ce!22251

The short commit message may be truncated making the truncated
portion unreadable. The title of the link should be the commit message
so that the commit message is shown when hovering the commit message
anchor.

Closes gitlab-org/gitlab-ce#42673

Backport SSH host key detection code to CE

See merge request gitlab-org/gitlab-ce!22577

This allows us (and others) to test drive Puma without it affecting all
users. Puma can be enabled by setting the environment variable
"EXPERIMENTAL_PUMA" to a non empty value.