Backend: Add ability to embed stack trace in gitlab issue

See merge request gitlab-org/gitlab!20799

Add table to store the sentry event and issue ids
that are related to a gitlab issue

Update issue links and add metadata in quarantined tests

See merge request gitlab-org/gitlab!21472

Add border top to Readme file header

Closes #27025

See merge request gitlab-org/gitlab!21314

Fix bug with snippet refactored routes

See merge request gitlab-org/gitlab!21267

Update security-harness for Security remote

See merge request gitlab-org/gitlab!21207

Use feature flags mixin in grouped security reports app

See merge request gitlab-org/gitlab!21251

Enable Job-Token authentication in GitLab Core

Closes #37898

See merge request gitlab-org/gitlab!21120

Fix excessive Redis calls for new HSET/HMGET diffs cache

Closes #39133

See merge request gitlab-org/gitlab!21449

Remove conan package registry feature flag

See merge request gitlab-org/gitlab!21152

Remove the conan_package_registry feature flag
for general availability.

Rename existing refactored snippet routes to avoid
collisions with existing Rails generated routes.

Add doc links to admin dashboard features

Closes #35368

See merge request gitlab-org/gitlab!21419

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

Closes https://gitlab.com/gitlab-org/gitlab/issues/37898

See merge request https://gitlab.com/gitlab-org/gitlab/merge_requests/21120

We were doing multiple hmget calls when reading
the cache. This neutralizes the problem by using
a memoized cache.

Prevent wrapping on diff line number to avoid perceived empty lines

See merge request gitlab-org/gitlab!19190

Improve projects dev fixtures

See merge request gitlab-org/gitlab!21423

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

Remove downstream pipeline connecting lines (1/3)

See merge request gitlab-org/gitlab!21196

Migrate two environment tests from karma to jest

See merge request gitlab-org/gitlab!21326

Many files must be formatted

Store mentioned users, groups, projects in DB using postgres array type

See merge request gitlab-org/gitlab!19088

When a note is created or updated it gets parsed and
users, groups, projects mentioned in the note are stored in respective
db table, or deleted when note is deleted.

Add new Elasticsearch E2E tests

Closes gitlab-org/quality/testcases#123 and gitlab-org/quality/testcases#122

See merge request gitlab-org/gitlab!21085

Adds coverage for global search and advanced search syntax.
Includes a new page object component and QA selectors.
Updates the existing ES E2E test to indicate that it requires admin.
Adds class method Runtime::API::Client.as_admin to make it easier
to use the API as an admin.
Adds the ability to use PUT via the API.

Adds support of 'tags' keyword in the default CI config

See merge request gitlab-org/gitlab!20747

Add type to broadcast messages

See merge request gitlab-org/gitlab!21038

Adds two different types of broadcast messages. Banner type is the
current design and will be kept shown on the top of the site, where
notification will be implemented in a separate frontend MR.

Create :correlation_id for `import_failures`

See merge request gitlab-org/gitlab!21395

Increase lower DAG `needs` limit from five to ten

See merge request gitlab-org/gitlab!21237

If the feature flag `ci_dag_limit_needs` is turned on for a GitLab
instance, a job can now depend on up to ten jobs instead of five

Implement and document alpha/beta_feature_available? method

See merge request gitlab-org/gitlab!20840

This adds and documents an `alpha_feature_available?` method to groups
and projects, and also documents the existing `beta_feature_available?`
method.

Add a 'Productivity Improvement.md' issue template

See merge request gitlab-org/gitlab!20794