Ensure user and hostnames begin with an alnum character in UrlBlocker

See merge request !2150

Add libre2-dev to the list of dependencies

Closes #35342

See merge request !12996

[ci skip]

Fix an infinite loop in Gitlab:UntrustedRegexp

See merge request !2146

[ci skip]

Fix filename used for CHANGELOG entry

See merge request !2140

Escape the underscore char inside the LIKE operator

See merge request !2117

(security-9-2) Remove the `appearance` symlink that was previously missed

See merge request !2125

[9.2 security fix] Renders 404 if given project is not readable by the user on Todos dashboard

See merge request !2119

Use re2 for user-supplied regexps

See merge request !2029

[9.2] Improve support for external issue references

See merge request !2130

[ci skip]

Fix omniauth-google-oauth2 dependencies in Gemfile.lock

Closes #32653

See merge request !11787

Fix milestone page assignees when dropped in ongoing list

Closes #32861

See merge request !12076

Re-instate is_admin flag in users API is current user is an admin

Closes #33260

See merge request !12211

[ci skip]

Port _merge_params.html.haml conflict message

See merge request !12140

Resolve "pipeline_schedules pages throwing error 500"

Closes #32790

See merge request !11706
Conflicts:
app/models/ci/pipeline_schedule.rb
app/views/projects/pipeline_schedules/_pipeline_schedule.html.haml

Make sure reCAPTCHA configuration is loaded when spam checks are initiated

Closes #33532

See merge request !12080

Merge branch '32995-issue-contents-dynamically-replaced-with-stale-version-after-saving-or-refreshing-relative-external_url-only' into 'master'

Fix incorrect ETag cache key when relative instance URL is used

Closes #32995

See merge request !11964

See https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12011

Fix error thrown with missing note fragment in DOM

Closes #32888

See merge request !11700
Conflicts:
spec/javascripts/merge_request_tabs_spec.js

Invalidate cache for issue and MR counters separately

See merge request !11394

Fix filtered search issuable empty state exception

Closes #31455

See merge request !11347

Backport from EE: Fix '/unassign' slash command

See merge request !11926

Fix backup task to continue on corrupt repositories

Closes #31767

See merge request !11962