Rollback to a set version instead of an arbitrary number of steps

Closes #40302

See merge request gitlab-org/gitlab-ce!17947

Resolve "Autolinking includes trailing exclamation marks"

Closes #44587

See merge request gitlab-org/gitlab-ce!17965

Add Vue resource interceptor to performance bar

See merge request gitlab-org/gitlab-ce!17915

HTTPS only Pages

Closes #28857

See merge request gitlab-org/gitlab-ce!16273

Bump loofah to 2.2.2 and rails-html-sanitizer to 1.0.4

Closes #44554

See merge request gitlab-org/gitlab-ce!17945

Update the menu information to access "Schedules" page

See merge request gitlab-org/gitlab-ce!17957

Update Prettier Print Width to 100

See merge request gitlab-org/gitlab-ce!17953

Resolve "Limit number of failed logins using LDAP for authentication"

Closes #43525

See merge request gitlab-org/gitlab-ce!17886

Request Chinese Traditional proofreader permissions.

See merge request gitlab-org/gitlab-ce!17762

Show gitaly address instead of disk path

See merge request gitlab-org/gitlab-ce!17954

Fix issuable state indicator

Closes gitlab-ee#4683

See merge request gitlab-org/gitlab-ce!17878

Resolve "Indicate supported image formats in avatar error"

Closes #43771

See merge request gitlab-org/gitlab-ce!17747

Merge branch '43482-enabling-auto-devops-on-an-empty-project-gives-you-wrong-information' into 'master'

Resolve "Enabling Auto DevOps on an empty project gives you wrong information"

Closes #43482

See merge request gitlab-org/gitlab-ce!17605

Route path lookups through legacy_disk_path

See merge request gitlab-org/gitlab-ce!17743

Rename modal.vue to deprecated_modal.vue

See merge request gitlab-org/gitlab-ce!17438

Now the issuable reference check works only in project scope, if we
reference an issuable from a non-project resource (e.g. epics), then
project is not set, and there is mismatch in generated issue references.

This patch enables issuable reference state check also from group scope.

Closes gitlab-ee#4683
Related to #30916

Increase the memory limits used in the unicorn killer

Closes gitlab-com/infrastructure#19

See merge request gitlab-org/gitlab-ce!17948

Add read-only banner to all pages

Closes #43937

See merge request gitlab-org/gitlab-ce!17798

These limits were updated in our docs, and in omnibus some time ago. But
the defaults in the source-install were missed.

The previously hard-coded value can fail when new migrations are introduced
since multiple migrations may need to be rolled back atomically.

Closes #40302

Use porcelain commit lookup method on CI::CreatePipelineService

Closes charts/helm.gitlab.io#291

See merge request gitlab-org/gitlab-ce!17911

See:

* https://github.com/rails/rails-html-sanitizer/releases
* https://github.com/flavorjones/loofah/releases

Added prettierignore file

Closes #44483

See merge request gitlab-org/gitlab-ce!17907

Disable webpack scope hoisting in development

See merge request gitlab-org/gitlab-ce!17942

When the database is in a read-only state, display a banner on each
page informing the user they cannot write to that GitLab instance.

Closes gitlab-org/gitlab-ce#43937.

Closes #28857

UI breakdown of message of the last pushed branch for Create merge request

Closes #44382

See merge request gitlab-org/gitlab-ce!17821

Resolve "Some dropdowns have two scroll bars."

Closes #43273

See merge request gitlab-org/gitlab-ce!17665

Fix the other "A copy of ..." error for ReadOnly

Closes #44365

See merge request gitlab-org/gitlab-ce!17935

Add the /help page in robots.txt

Closes #44433

See merge request gitlab-org/gitlab-ce!17928

make a little more obvious what operations might need downtime or enhanced migration techniques

See merge request gitlab-org/gitlab-ce!17927