Resolve "Bug: When creating an account with invalid characters the error is "Username already taken" not "Invalid characters used""

Closes #45575

See merge request gitlab-org/gitlab-ce!19610

Resolve "Bug: When creating an account with invalid characters the error is "Username already taken" not "Invalid characters used""

Resolve "Provide ability to retrieve `visibility` level via Snippets API"

Closes #35158

See merge request gitlab-org/gitlab-ce!19620

Resolve "Quick actions are case sensitive"

Closes #47050

See merge request gitlab-org/gitlab-ce!19614

Add active class to active file in IDE commit panel

Closes #46051

See merge request gitlab-org/gitlab-ce!19646

Resolve "Regressions for assigning group milestone from ancestor"

Closes #47735

See merge request gitlab-org/gitlab-ce!19721

Merge branch '47513-upload-migration-lease-key-is-incorrect-for-non-mounted-uploaders' into 'master'

Resolve "Upload migration lease key is incorrect for non-mounted uploaders"

Closes #47513

See merge request gitlab-org/gitlab-ce!19600

Image Diff Viewing + Download Diff Viewing

See merge request gitlab-org/gitlab-ce!18768

Link to release post for group issue board docs

See merge request gitlab-org/gitlab-ce!19677

Resolve two QA failures

Closes gitlab-qa#271

See merge request gitlab-org/gitlab-ce!19655

Fixed IDE jobs empty state showing when loading

Closes #47766

See merge request gitlab-org/gitlab-ce!19706

Typo fix

See merge request gitlab-org/gitlab-ce!19720

Rails5 fix expected `issuable.reload.updated_at` to have changed

Closes #47366

See merge request gitlab-org/gitlab-ce!19733

[Rails5] Pass class references instead of strings to middleware builder

See merge request gitlab-org/gitlab-ce!19729

Resolve "`MigrateUploadsWorker` is doing N+1 queries on migration"

Closes #47408

See merge request gitlab-org/gitlab-ce!19547

Migrate compare_source_branch to use only Gitaly

Closes gitaly#771

See merge request gitlab-org/gitlab-ce!19700

Restoring user v3 endpoint

Closes #47565

See merge request gitlab-org/gitlab-ce!19661

Resolve "Microsoft Teams notification for pipelines do not work"

Closes #42342

See merge request gitlab-org/gitlab-ce!19632

Added with_stats option to GET /projects/:id/repository/commits (API)

See merge request gitlab-org/gitlab-ce!19484

Resolve "Use one column form layout on Admin Area Settings page"

Closes #44674

See merge request gitlab-org/gitlab-ce!19673

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

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

It fixes Rails 5.0 deprecation flooding like:

```
DEPRECATION WARNING: Passing strings or symbols to the middleware builder is deprecated, please change
them to actual class references.  For example:

  "::Gitlab::Middleware::ReadOnly" => Gitlab::Middleware::ReadOnly

 (called from <top (required)> at /builds/gitlab-org/gitlab-ce/config/environment.rb:11)
DEPRECATION WARNING: Passing strings or symbols to the middleware builder is deprecated, please change
them to actual class references.  For example:

  "ActionDispatch::Static" => ActionDispatch::Static

 (called from <top (required)> at /builds/gitlab-org/gitlab-ce/config/environment.rb:11)
DEPRECATION WARNING: Passing strings or symbols to the middleware builder is deprecated, please change
them to actual class references.  For example:

  "Gitlab::Testing::RequestBlockerMiddleware" => Gitlab::Testing::RequestBlockerMiddleware

 (called from <top (required)> at /builds/gitlab-org/gitlab-ce/config/environment.rb:11)
DEPRECATION WARNING: Passing strings or symbols to the middleware builder is deprecated, please change
them to actual class references.  For example:

  "ActionDispatch::Static" => ActionDispatch::Static

 (called from <top (required)> at /builds/gitlab-org/gitlab-ce/config/environment.rb:11)
DEPRECATION WARNING: Passing strings or symbols to the middleware builder is deprecated, please change
them to actual class references.  For example:

  "Gitlab::Testing::RequestInspectorMiddleware" => Gitlab::Testing::RequestInspectorMiddleware

 (called from <top (required)> at /builds/gitlab-org/gitlab-ce/config/environment.rb:11)
```

Resolve "Groups > Members > No padding between dropdowns/input"

Closes #46702

See merge request gitlab-org/gitlab-ce!19724

Resolve "Participants tooltip is cutoff when too close to the window edge"

Closes #47551

See merge request gitlab-org/gitlab-ce!19669

Resolve "Project search in navbar is missing top margin in dev.gitlab.com"

Closes #47773

See merge request gitlab-org/gitlab-ce!19718