Show mentioned/issues being closed from a Merge Requests title

Closes #24333

See merge request !9194

Resolve "GroupsController#activity.json is REALLY slow due to SQL"

Closes #27395

See merge request !9088

Enable Style/RedundantException, Lint/EmptyWhen, and RSpec/ExpectActual cops

See merge request !9151

Respect autocrlf setting when creating/updating file through web UI

Closes gitlab-com/www-gitlab-com#1152

See merge request !9198

Add indices to improve loading of labels page

Closes #25413

See merge request !9121

only print errors and warnings from webpack dev server

See merge request !9118

Fix current build arrow

Closes #27939

See merge request !9154

Show directory hierarchy when listing wiki pages

Closes #23535

See merge request !8133

Replace static fixture for header_spec.js

See merge request !9174

Replace static fixture for new_branch_spec.js

See merge request !9131

Adds container to tooltip in order to make it work with overflow:hidden in parent element

Closes #28032

See merge request !9170

Resolve "Icon in issue search dropdown still animates"

Closes #28034

See merge request !9156

Merge branch '27947-missing-margin-between-loading-icon-and-text-in-merge-request-widget' into 'master'

Resolve "Missing margin between loading icon and text in Merge Request Widget"

Closes #27947

See merge request !9119

Add limit to the number of events showed in cycle analytics

See merge request !7743

Also, don't use limit in subquery, MySQL don't like that.
Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Mark as WIP based on MR commits only

Closes #27886

See merge request !9085

Use safe navigation operator to make rubocop happy

See merge request !9185

Feature to create directly addressed Todos when mentioned in beginning

Closes #24976

See merge request !7926

Updated issue boards docs

Closes #27872

See merge request !9097

Add member: Always return 409 when a member exists

Closes #20732

See merge request !9093

removes grayish blue color for events activity

Closes #27608

See merge request !9179

Gather issuable  metadata to avoid n+ queries on index view

Closes #25900

See merge request !9006

Update Rubocop to Ruby 2.3

See merge request !8994

Move merge requests index file inside the merge_requests dir

See merge request !9181

[ci skip]

Fix issue from milestone

See merge request !8895

Add method for creating foreign keys concurrently

See merge request !9069

Rename Files::DeleteService to Files::DestroyService

See merge request !9110

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/27939