Cache classes in CI

See merge request gitlab-org/gitlab!20949

Fix warning: character class has duplicated range

See merge request gitlab-org/gitlab!23165

Display error message in codeclimate widget when base_path is null

See merge request gitlab-org/gitlab!21666

In the MR codeclimate widget
When the branch's base pipeline has no codeclimate artifact
Show the generic 'Failed to load codeclimate report' error message

Enable cop HaveGitlabHttpStatus in shared examples

See merge request gitlab-org/gitlab!23220

Enable Rails rubocops

See merge request gitlab-org/gitlab!23101

Use gitlab_subscription in group preloader

See merge request gitlab-org/gitlab!23184

Fix broken links

See merge request gitlab-org/gitlab!22253

Fix whitesapce hack with corrected display value

Closes #121612

See merge request gitlab-org/gitlab!22553

**Note:**
- It looks like `line_content` has `display: block`
  by default. Rather than changing this everywhere
  let's just use bootstrap util class.
- We don't know why `line_content` has
  `display: block` :/

Source code won't change in CI so we don't need code-reloading

Allow SSH keys API endpoint to be requested for a given username

Closes #17569

See merge request gitlab-org/gitlab!22899

add support for username to get user ssh keys

Add info about running custom QA tests in CI

See merge request gitlab-org/gitlab!22742

Update Availability and Testing section in feature template to align with MR template

See merge request gitlab-org/gitlab!22457

Add time filters to log view

Closes #37986

See merge request gitlab-org/gitlab!22638

Remove TODO from dashboard spec

Closes #118780

See merge request gitlab-org/gitlab!23265

Use consistent layout in cluster advanced settings

See merge request gitlab-org/gitlab!22656

[docs] Fix inconsistent path in Ruby CI caching example

See merge request gitlab-org/gitlab!23268

Documentation: a couple of minor typo corrections

See merge request gitlab-org/gitlab!23226

Merge branch '55962-overhaul-debug-logging-section-of-gitlab-ci-cd-environment-variables-docs' into 'master'

Update "Debug logging" of GitLab CI/CD environment variables

Closes #55962

See merge request gitlab-org/gitlab!21782

Add CSP headers for Zuora iFrame

Closes #196529

See merge request gitlab-org/gitlab!23001

Update parent_child_pipelines.md to clarify wording

See merge request gitlab-org/gitlab!23275

Docs - stop Puma when attempting restore

See merge request gitlab-org/gitlab!22945

Quarantine elasticsearch tests

See merge request gitlab-org/gitlab!23302

This change accounts for the feature flag being present and
extends current specs for a secondary state with the feature flag.

- Use key in the time window state instead of entire object
- Extend specs to cover more cases

Logs endpoint communicates to the frontend when advanced query features
can be enabled, this commit removes the feature flag in the component
to await backend settings.

Additionally, advanced query components are disabled and not hidden
when advanced features are disabled.

- Add new dropdown for logs screen
- Add new param start & end to requests to backend
- Use logs specific constants for time ranges
- Update translation pot file

its overhaul is since 8.14 with https://gitlab.com/gitlab-examples/ci-debug-traceSigned-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

Updated Elasticsearch install docs link to point to 6.8 vs "current" as the...

See merge request gitlab-org/gitlab!17374

Updated Elasticsearch install docs link to point to 6.8 vs "current" as the current version is 7.3  (which isn't supported by gitlab). Also added a link to Elastic Cloud as an alternative option to AWS Elasticsearch Service.

Add documentation for service hook logs

See merge request gitlab-org/gitlab!21999

The changes describe how to troubleshoot
project services using service hook logs