Add index for ci_builds that makes shared runners query to run 100x faster.

See merge request !8683

Fix Merge When Pipeline Succeeds immediate merge bug

Closes #26969

See merge request !8685

Revert removing builds tab on '8-16-stable'

See merge request !8661

Fix participants margins to fit on one line

See merge request !8640

Fix shared runners queue update

See merge request !8663

Fix import no longer mapping users as admin

Closes #25346

See merge request !8625

Record used SSH keys only once per day

Closes #26877

See merge request !8655

Use Workhorse v1.3.0

See merge request !8660

Add documentation around OAuth/Personal Access Token scopes.

Closes #25851

See merge request !8226

Reduce DB-load for build-queues by storing last_update in Redis

See merge request !8084

This reverts commit 79a816f3, reversing
changes made to 68d89aa9.

Conflicts:
	app/views/projects/merge_requests/_show.html.haml

Moved the webhooks and services gear options to a single one called integrations

See merge request !8380

Rename duplicate migrations and skip them if table/columns are already present

Closes #26868

See merge request !8644

Document GIT_SUBMODULE_STRATEGY

See merge request !8586

New U2F ineligible message

Closes #26066

See merge request !8392

Add an image to the public access documentation and fix wrong profile path

See merge request !8583

Resolve "Error handling in environments list"

Closes #25507

See merge request !8461

Fixes builds dropdown making request when clicked to be closed

Closes #26601

See merge request !8545

Add margin to math blocks

Closes #26472

See merge request !8543

Autoresize markdown preview

Closes #24372

See merge request !8607

Gitaly feature flag

See merge request !8440

Upgrade Brakeman to 3.4.1

Closes #26820

See merge request !8629

Add documentation for possible causes of JS-related test failures.

See merge request !8214

Fixed some HAML errors on milestone#show

Closes #26799 and #26772

See merge request !8560

Fixed highlightFirst and added specs

Closes #26803

See merge request !8622

Add hover state to MR comment reply button

See merge request !8541

Update project visibility level ui to use dropdowns

Closes #24296, #24123, and #24032

See merge request !7645

Document the `auto_link_ldap_user` setting

See merge request !8568

Link external commit status badges to target URLs

Closes #25662

See merge request !8611

Fix Slash command templates

Closes #26042

See merge request !8320

Revert "Merge branch 'switch-to-sassc' into 'master'"

Closes #26762

See merge request !8642

# Conflicts:
#	app/assets/javascripts/vue_pipelines_index/stage.js.es6

Speed up dashboard milestone index by scoping IssuesFinder to user authorized projects

See merge request !8524

Add Slack slash commands to project services list index

See merge request !8636

Shows current user on top of filtered dropdown list

Closes #26765

See merge request !8612

Fix search bar filter dropdown scrollbars

Closes #26777

See merge request !8615

Fixes big pipeline and small pipeline width problems

Closes #26667

See merge request !8593