Add danger check for duplicate yarn dependencies

Closes #51226

See merge request gitlab-org/gitlab-ce!21591

Fix deprecation: Directly inheriting from ActiveRecord::Migration is deprecated.

See merge request gitlab-org/gitlab-ce!23884

Fix deprecation: alias_method_chain is deprecated. Please, use Module#prepend instead

See merge request gitlab-org/gitlab-ce!23887

Run CommonSystemNotesService on issuable create

Closes #51485

See merge request gitlab-org/gitlab-ce!23859

Compile assets needed by QA tests

Closes #55036

See merge request gitlab-org/gitlab-ce!23752

Change deprecated `except!` usages

Closes #54094

See merge request gitlab-org/gitlab-ce!23844

Suggest diff line change documentation

See merge request gitlab-org/gitlab-ce!23474

Update specs to exclude possible false positive pass

Closes #55403

See merge request gitlab-org/gitlab-ce!23893

Fix object storage not working properly with Google S3 compatibility

Closes #53846

See merge request gitlab-org/gitlab-ce!23858

Hide confidential events in ruby

Closes #51791

See merge request gitlab-org/gitlab-ce!23746

Fixed action name in JobsController

See merge request gitlab-org/gitlab-ce!23888

Issue Suggestions E2E Tests

See merge request gitlab-org/gitlab-ce!23417

Fix typo for after_script in README.md

See merge request gitlab-org/gitlab-ce!23890

docs: link to improved Uploads Migrate Rake Task

See merge request gitlab-org/gitlab-ce!23828

Add docs for frontmatter delimiters

See merge request gitlab-org/gitlab-ce!23876

Add unavailable features section to group-level cluster page.

See merge request gitlab-org/gitlab-ce!23896

Adds system notes for labels, milestone and due date on create

Add "none" syntax highlighting "color" scheme

Closes #32109

See merge request gitlab-org/gitlab-ce!20170

Change SafeRequestStore#write to accept an options hash

See merge request gitlab-org/gitlab-ce!23891

Add NGINX 0.16.0 and above metrics

Closes #50431

See merge request gitlab-org/gitlab-ce!22133

Fix anchor link to customizing AutoDevops yaml file

See merge request gitlab-org/gitlab-ce!22962

Docs: any authed user can see internal project cycle analytics

Closes #55395

See merge request gitlab-org/gitlab-ce!23864

This change the write to accept an options hash to make
it compatible with ActiveSupport::Cache::Store#write method.

The options hash are not passed to the underlying cache
implementation because RequestStore#write accepts only
a key, and value params.

Use the EE version of ServiceParams

See merge request gitlab-org/gitlab-ce!23881

Re-align project title row and repo button containers

Closes #55287

See merge request gitlab-org/gitlab-ce!23833

Optionally compiling assets when needed for qa jobs proved
unworkable so instead we fall back on compiling them for
all qa jobs.

Bump gitlab-reliable-fetcher gem

See merge request gitlab-org/gitlab-ce!23854

Even in AWS S3 compatibility mode, Google now appears to reject requests
that includes this header with this error:

```
Requests cannot specify both x-amz and x-goog headers
```

This has been submitted upstream via
https://github.com/carrierwaveuploader/carrierwave/pull/2356.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/53846.

Merge branch '53954-resolved-non-diff-discussions-on-merge-requests-no-longer-show-who-resolved-them-and-when-at-a-glance' into 'master'

Show who resolved non-diff discussions

Closes #53954

See merge request gitlab-org/gitlab-ce!23449