Fix json response in branches controller

Closes #28898

See merge request !9710

Use ETag to improve performance of issue notes polling

Closes #27582

See merge request !9036

Change language for testing colour fallback

See merge request !9537

Update profiles/account view to display new username

Closes #28655

See merge request !9650

Enable build job for caching Gems of GitLab EE

See merge request !9712

Remove es6 file extension from JavaScript files

See merge request !9241

Re-enable GitLab pages job for GitLab EE

See merge request !9703

Formats timeago dates to be more friendly

Closes #27537

See merge request !9145

Use CommonsChunkPlugin to place vendor libraries in cacheable bundles

Closes #25550

See merge request !9647

Fixes filtering by name reseting archive filter

Closes #28007

See merge request !9625

Project name "Internal" is too generic and can lead to false
positive/negative when there is a visibility filter on the page. So we
ensure we check for project inside list holder css class.
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Change default project view for user from readme to files view

See merge request !9584

Be able to list issues with no labels using API

Closes #28520

See merge request !9697

Make SidekiqStatus able to count number of jobs completed/running

See merge request !9694

Bump health_check gem to version 2.6.0

See merge request !9691