Re-add Google Cloud Storage as a backup strategy

Closes #26362

See merge request !8481

Don't instrument 405 Grape calls

Closes #26051

See merge request !8445

Speed up group milestone index by passing group_id to IssuesFinder

See merge request !8363

With Gitea v1.0.0, notes are imported

See merge request !8298

Re-order update steps in the 8.14 -> 8.15 upgrade guide

Closes #26014

See merge request !8287

Make successful pipeline emails off for watchers

Closes #24845

See merge request !8176

[ci skip]

Fix 500 errors when creating a user with identity via API

Closes #26295

See merge request !8442

Whitelist next project names: assets, profile, public

See merge request !8470

LDAP attributes needs default values

See merge request !8465

big and mini pipeline css changes

See merge request !8224

Increases pipeline graph drowdown width in order to prevent strange position on chrome on ubuntu

Closes #26218

See merge request !8399

Revert MattermostNotificationService and SlackNotificationService to MattermostS…

Closes #25889

See merge request !8240

Fix error 500 renaming group. Also added specs and changelog.

Closes #17922 and #23223

See merge request !8201

Fix cross-project references copy to include the project reference

Closes #25890

See merge request !8232

Rename projects with reserved path names

See merge request !8234

Use stable icon for Mattermost integration

See merge request !8252

Resolve "Labels are not consistent on all pages"

Closes #25951

See merge request !8256

Remove bottom border from Issuable titles

See merge request !8278

Add changelog entry for renaming API param

See merge request !8433

Fix project hooks params

Closes #26291

See merge request !8425

Gitlab::LDAP::Person uses LDAP attributes configuration

Closes #26290

See merge request !8418

Removes invalid html and unneeded CSS to prevent shaking in the pipelines tab

Closes #26278

See merge request !8411

API: extern_uid is a string

Closes #26227

See merge request !8404

Copy, don't move uploaded avatar files

Closes #26158

See merge request !8396

Add API route slack slash commands

Closes #25954

See merge request !8362

Fixed regression of note-headline-light where it was always placed on 2 lines, e…

See merge request !8348

fix left border in session tabs

Closes #24941

See merge request !8346

Fix unclear closing issue behaviour on Merge Request show page

Closes #26152

See merge request !8345

Fix 500 error when visit group from admin area if group name contains dot

See merge request !8342

Fix GFM dropdown not showing at beginning of new lines

Closes #26145

See merge request !8338

Fix grammar error in text about mentioned issues

See merge request !8337

Only limit container width on issues & MRs within fixed-width container

Closes #25907

See merge request !8330

Cache project authorizations even when user has access to zero projects

Closes #26126

See merge request !8327

[ci skip]

Order only for latest_successful_for

See merge request !8301

This reverts commit bdcdf454.

This reverts commit a18ad6cf.