Validate project path prior to hitting the database.

Closes #45247

See merge request gitlab-org/gitlab-ce!18322

Resolve "Pipeline view stages showing incorrectly"

Closes #40487

See merge request gitlab-org/gitlab-ce!18254

Embedded Snippets Support

Closes #8088

See merge request gitlab-org/gitlab-ce!15695

Resolve "skeleton placeholder on diff has white background"

Closes #44294

See merge request gitlab-org/gitlab-ce!17792

Deprecation warning for dynamic milestones

Closes #42336

See merge request gitlab-org/gitlab-ce!17505

Update custom issue tracker docs

See merge request gitlab-org/gitlab-ce!18375

Merge branch '45278-failing-current_settings_spec-rb-on-master-when-env-in_memory_application_settings-is-true-returns-an-in-memory-applicationsetting-object' into 'master'

Resolve "Failing current_settings_spec.rb on master (when ENV["IN_MEMORY_APPLICATION_SETTINGS"] is true returns an in-memory ApplicationSetting object)"

Closes #45278

See merge request gitlab-org/gitlab-ce!18388

Fix "Uncaught TypeError: Cannot read property 'getAttribute' of null"

See merge request gitlab-org/gitlab-ce!18358

Replace the `project/commits/comments.feature` spinach test with an rspec analog

See merge request gitlab-org/gitlab-ce!18356

Signed-off-by: Rémy Coutable <remy@rymai.me>

Backport GitLab domain helper methods

See merge request gitlab-org/gitlab-ce!18376

Don't reset application settings checkboxes when save another section

Closes #45343

See merge request gitlab-org/gitlab-ce!18366

Allow `rake cache:clear` clearing pipeline status cache

Closes #44582

See merge request gitlab-org/gitlab-ce!18257

Display relevant browser console output when an RSpec test fails.

See merge request gitlab-org/gitlab-ce!18355

There are 2 problems with this spec:

1. It checks for default visiblity level however there is not code in
controller to handle such default. Same check can be performed on model
directly.
2. It passes empty application_setting hash while controller requires
application_setting not to be empty by using `require` with `permit`
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Use stable docker image instead of latest

See merge request gitlab-org/gitlab-ce!18373

Update gitlab-svgs to 1.18.0

See merge request gitlab-org/gitlab-ce!18369

Resolve "Raw HTML is being shown on the MR page from Performance widget"

Closes #45353

See merge request gitlab-org/gitlab-ce!18370

[ci skip] Adds specs

Adds specs

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

Closes #45247.

Replacing gollum libs for custom gitlab ones

See merge request gitlab-org/gitlab-ce!18343

Remove bogus '|' symbol

See merge request gitlab-org/gitlab-ce!18313