Every Slack Slash command should have a `self.allowed?` method
defined to check the permissions to perform an action

Improve some specs by using `let_it_be`

Introduces a Slack slash command to add a comment to an issue

https://gitlab.com/gitlab-org/gitlab/issues/30822

Merge branch '20825-controller-boards-issuescontroller-update-executes-more-than-100-sql-queries' into 'master'

Remove query limit whitelist for Boards::IssuesController#update

Closes #20825

See merge request gitlab-org/gitlab!19307

Fix ref switcher not working on Microsoft Edge

Closes #31373

See merge request gitlab-org/gitlab!19335

Improve support for graceful shutdown on Puma/Unicorn

See merge request gitlab-org/gitlab!19223

Quarantine failing test

See merge request gitlab-org/gitlab!19343

Adds discussion to the optimistic design response

See merge request gitlab-org/gitlab!19297

This prevents a warning from occouring when we upload a design

Microsoft Edge has a bug in FormData.getAll() that returns an undefined
value for each form element that does not match the given key:
https://github.com/jimmywarting/FormData/issues/80

To work around this issue, we just filter out undefined values.

Closes https://gitlab.com/gitlab-org/gitlab/issues/31373

Fix HAML comment being visible in merge modal

Closes #35080

See merge request gitlab-org/gitlab!19224

Move Vulnerabilities API to Vulnerability Findings API

See merge request gitlab-org/gitlab!19029

The /api/v4/project/:id/vulnerabilities is going
to be used for serving the new Vulnerability model
instances for First-class Vulnerabilities feature.
The previous behavior (responding with
Vulnerabilities::Occurrence) is moved to
/api/v4/project/:id/vulnerability_findings path
unconditionally (regardless of the feature flag).
This is a breaking change.

Revert "Merge branch '33601-use-ci-default-branch' into 'master'"

See merge request gitlab-org/gitlab!19334

This reverts merge request !18915

Fix Prometheus duplicate metrics

See merge request gitlab-org/gitlab!19327

- Issue 34887 details prometheus metrics being duplicated once
  with one line having a 0 count and the other having a valid count

- Update lib/gitlab/metrics/requests_rack_middleware.rb to add
  .to_i to the status value.

- Add changelog for
  https://gitlab.com/gitlab-org/gitlab/merge_requests/19327

Quarantine create project with Auto DevOps

See merge request gitlab-org/gitlab!19332

Issue: https://gitlab.com/gitlab-org/gitlab/issues/35156
Needs investigation.

Docs: Providing clarity on registry and S3 communication

See merge request gitlab-org/gitlab!19275

Grafana auth settings frontend for embed integration

See merge request gitlab-org/gitlab!17330

Adds the frontend for Grafana integration settings

Merge branch '12785-more-accessible-epics-and-differentiation-between-groups-subgroups-and-projects-mvc' into 'master'

Update sidebar to differentiate between groups, subgroups, and projects

See merge request gitlab-org/gitlab!19158

Before, the sidebar displayed the text "Overview" when the user was in
a group, subgroup, or project. This meant it was not immediately clear
whether the user was in a group, subgroup, or project page. This commit
fixes this problem.

Migrate approval check popover specs to Jest & VTU

See merge request gitlab-org/gitlab!19263

Clean up karma troublemakers

See merge request gitlab-org/gitlab!19313

Trigger tracking event without user interaction

See merge request gitlab-org/gitlab!19159

Add rollback dialog environment name

See merge request gitlab-org/gitlab!19209

Added the rollback dialog environment name

Positioning cycle analytics stages

See merge request gitlab-org/gitlab!18794

- Add RelativePositioning module to the stage classes.
- Allow the positioning parameters to be passed in the controller to the
  update service.
- Update the order of stages within the update service.

Reduce the allocated IP for Cluster and Services

See merge request gitlab-org/gitlab!18341