Include alert source in system note if available

See merge request gitlab-org/gitlab!42631

Remove usage of Gitlab::Alerting::NotificationPayloadParser

See merge request gitlab-org/gitlab!42527

Apply gitlab button style to buttons in app/views/discussions directory

See merge request gitlab-org/gitlab!42714

Add system note for review requests

See merge request gitlab-org/gitlab!42589

Update git_push_create_all_pipelines feature flag details

See merge request gitlab-org/gitlab!43252

Allow designs to be mutated when issue is moved/locked

See merge request gitlab-org/gitlab!42935

Migrate badge list row buttons to new buttons

Closes #229311

See merge request gitlab-org/gitlab!43072

Migrate to GlButton in the "Change username" section in Account Settings

Closes #229326

See merge request gitlab-org/gitlab!42009

Add group and introduced_by_url to geo feature flag

See merge request gitlab-org/gitlab!43150

Add standard way to find DastScannerProfiles

See merge request gitlab-org/gitlab!41633

Add additional info to allow_possible_spam feature flag

See merge request gitlab-org/gitlab!43142

Add ability to sort vulnerabilities by detected_at

See merge request gitlab-org/gitlab!42950

This change adds ability to sort vulnerabilities by detected at in
GraphQL.

205151-match trailing slash in GitLab-Flavored Markdown References

See merge request gitlab-org/gitlab!42484

Update package group feature flag summaries

See merge request gitlab-org/gitlab!43201

Add details of FF ci_merge_train_logging

See merge request gitlab-org/gitlab!43192

Improve detection of similarity sorting in GraphQL

Closes #244853

See merge request gitlab-org/gitlab!43041

Improve performance on toggling left sidebar tabs in Web IDE

See merge request gitlab-org/gitlab!42873

Otherwise rendering and destroying the sidebar for large repos
becomes very expensive.

Update prometheus-client-mmap to v0.12.0

See merge request gitlab-org/gitlab!42948

Update discover security feature flag yaml

See merge request gitlab-org/gitlab!43132

Update SCA group feature flags YAML files

See merge request gitlab-org/gitlab!43133

Add ability to sort vulnerabilities by title

See merge request gitlab-org/gitlab!42953

This change adds ability to sort vulnerabilities by title in
GraphQL.

Use random group path to avoid 400 on repeated deletion

Closes #254808

See merge request gitlab-org/gitlab!43086

Use let_it_be for developer2 in interpret_service_spec.rb

See merge request gitlab-org/gitlab!42966

Add feature flag details for group::configure

See merge request gitlab-org/gitlab!43198

Detect problems with polymorphic epic trees

See merge request gitlab-org/gitlab!42083

Update anonymous feedback feature flag

See merge request gitlab-org/gitlab!43168

Add details for resource_access_token FF

See merge request gitlab-org/gitlab!43216

Remove restricted_snippet_scope_search flag

See merge request gitlab-org/gitlab!43153

Add group::editor feature flag info

See merge request gitlab-org/gitlab!43148

Migrate "Recover hidden stage" dropdown

See merge request gitlab-org/gitlab!43032

Fixing docs badges for inline code coverage

See merge request gitlab-org/gitlab!42546

- Inline code coverage visualization documentation has incorrect tier
  badges, replacing them with the correct ones.