Fix autocomplete initial undefined state (loading)

Closes #26775

See merge request !8667

Fixed label select toggle not updating correctly

Closes #26119

See merge request !8601

[ci skip]

Fix CI requests concurrency

See merge request !8760

Backport changes introduced by https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/1078

See merge request !8657

Fix spec failure due to timestamp ordering issue in mySQL

Closes #26622

See merge request !8778

Fixed error with filter keyboard tests

See merge request !8777

Make cycle_analytics_events_spec.rb side-effect free

Closes #26622

See merge request !8594

Resolve "Comment/Description textarea shows a blue border on the left"

Closes #27066

See merge request !8720

Only render the list if it is visible

See merge request !8710

Fixed keyboard navigation not working in filtered search bar

Closes #26840

See merge request !8656

Resolve "Reveal Variables button may overrun width of screen"

Closes #25780

See merge request !8221

correct the prometheus feature configuration according to https://gitlab.com/git…

See merge request !8703

Add Prometheus docs

See merge request !8699

Fixed bug with merge immediately button not working

See merge request !8696

Fix DropLab in IE11 v1 (merge edition)

Closes #26785

See merge request !8689

Allow issue filter submission using mouse only

See merge request !8681

Added current user filter to assignee dropdown

Closes #26959 and #26882

See merge request !8653

Mattermost fixes

See merge request !8654

[ci skip]

Upgrade OmniAuth Ruby gem to 1.3.2

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/26813

See merge request !2056

Prevent users from creating notes on resources they can't access

See https://dev.gitlab.org/gitlab/gitlabhq/merge_requests/2054

Ensure that only privileged users can access merge requests in the API

See merge request !2053

Fix export files not removed when a user takes over a namespace

See merge request !2051

Fix users being able to delete instance public deployment keys

See merge request !2049

[ci skip]

Update autodeploy templates [ci skip]

See merge request !8695

Filtered search input click back at token

See merge request !8617

Keep mini graph down pipelines index

See merge request !8651

Merge branch '26617-search-bar-filter-dropdown-does-not-dismiss-when-sort-dropdown-is-selected' into 'master'

Changed the event listener target from window to document in droplab

Closes #26617

See merge request !8670

Merge branch '26623-search-bar-dropdown-doesn-t-load-when-you-go-back-in-browser-history' into 'master'

Fixed search component not instantiating back when pressing the back button on the issue page

Closes #26623

See merge request !8676

Resolve "Filter issues input does not show assignee name when there is an assignee ID in the URL"

Closes #26955

See merge request !8674

Do not generate pipeline ref path if ref not present

Closes #26861

See merge request !8658

Button by itself will submit forms. Button type button willn't

Closes #26999

See merge request !8694

Fix small button alignment issues

See merge request !8631