Render MR page when no persisted diff_refs or diffs size

Closes #49342

See merge request gitlab-org/gitlab-ce!20680

Resolve "MR: Reduce the memory footprint of the component tree"

Closes #48964

See merge request gitlab-org/gitlab-ce!20448

Merge branch '49257-metrics-drop-down-doesn-t-show-all-environment-some-not-clickable' into 'master'

Resolve "Metrics drop down doesn't show all environment, some not clickable"

Closes #49257

See merge request gitlab-org/gitlab-ce!20651

Resolve "Pipeline graph in new merge request widget is flickering"

Closes #49165

See merge request gitlab-org/gitlab-ce!20660

Resolve "Disable GCP free credit banner at instance level"

Closes #48578

See merge request gitlab-org/gitlab-ce!20379

Resolve "NoMethodError: undefined method `namespace' for nil:NilClass"

Closes #49061

See merge request gitlab-org/gitlab-ce!20615

Add the CI Job trigger as the build trigger

Closes charts/gitlab#586

See merge request gitlab-org/gitlab-ce!20619

Fix symlink vulnerability in project import

See merge request gitlab/gitlabhq!2435

QA: Remove flaky and redundant expectations

Closes #49164

See merge request gitlab-org/gitlab-ce!20616

Fix RSS button interaction on Dashboard, Project and Group activities

Closes #48894

See merge request gitlab-org/gitlab-ce!20549

Remove healthchecks from prometheus endpoint

Closes #49112

See merge request gitlab-org/gitlab-ce!20565

Add a fast_timeout for the `ServerService.ServerInfo` endpoint

Closes #49116

See merge request gitlab-org/gitlab-ce!20552

Fix performance problem of tags query

Closes gitlab-com/infrastructure#4550

See merge request gitlab-org/gitlab-ce!20555

Backport mr widget changes from EE

See merge request gitlab-org/gitlab-ce!20598

Merge branch '49021-preserve-test-run-artifacts-when-running-gitlab-qa-multiple-times' into 'master'

Resolve "Preserve test run artifacts when running gitlab-qa multiple times"

Closes #49021

See merge request gitlab-org/gitlab-ce!20495

Resolve "Improve performance of MR Changes tab: reduce event listeners on scroll event"

Closes #48639 and #48789

See merge request gitlab-org/gitlab-ce!20558

Resolve "QA: False failure on QA test "Push to protected branch when allowed" during staging failover rehearsal"

Closes #48241

See merge request gitlab-org/gitlab-ce!20561

[QA] Fix duplicate year in namespace name

See merge request gitlab-org/gitlab-ce!20581

Use Gitaly 0.111.1 in 11-1-stable

See merge request gitlab-org/gitlab-ce!20590

Fix MR widget border

See merge request gitlab-org/gitlab-ce!20562

Revert "Merge branch 'ee-5481-epic-todos' into 'master'"

See merge request gitlab-org/gitlab-ce!20560

Resolve "Toggle file comments in merge request does not update toggle buttons"

Closes #48237 and #48537

See merge request gitlab-org/gitlab-ce!20452

Mention admin privileges for k8s token creation

Closes #44457

See merge request gitlab-org/gitlab-ce!20517

Make sure ConflictsService does not raise for conflicting submodules

See merge request gitlab-org/gitlab-ce!20528

Fix ArgumentError in GitGarbageCollectWorker Sidekiq job

Closes #49096

See merge request gitlab-org/gitlab-ce!20541

Resolve "Use namespaped module for diffs"

Closes #48960

See merge request gitlab-org/gitlab-ce!20442

Resolve "Markdown help incorrect in how wiki pages are rendered"

Closes #48970

See merge request gitlab-org/gitlab-ce!20459

Resolve "MR Refactor: Improve performance by setting v-once"

Closes #48982

See merge request gitlab-org/gitlab-ce!20468

Resolve "MR refactor: All actions under diff module are being exported twice"

Closes #48951

See merge request gitlab-org/gitlab-ce!20499

Document update for GitLab Pages users.

See merge request gitlab-org/gitlab-ce!20412