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.

[ci skip]

Resolve "Mini pipeline graph dropdown looks weird on Safari and hover does not work on firefox"

Closes #26018, #26004, and #26002

See merge request !8282

Order only for latest_successful_for

See merge request !8301

Fix single team selection

See merge request !8251

Hide Scroll Top button for failed Build page

Closes #26040

See merge request !8295

Fix line breaking in nodes of the pipeline graph in firefox

Closes #26026

See merge request !8292

Fix text overflow

Closes #25930

See merge request !8273

Added changelog for MR !8322

See merge request !8325

Disable timeout while removing services

Closes #25976

See merge request !8322

Merge branch '25931-gitlab-merge-request-view-crash-when-commiting-a-js-sourcemap-file' into 'master'

Resolve "Gitlab merge request view crash when commiting a js sourcemap file"

Closes #25931

See merge request !8310

fixes confidential warning alignment on comment box

Closes #26038

See merge request !8293

Rename "autodeploy" to "auto deploy"

Closes #25999

See merge request !8289

Fixed error with GFM autocomplete when no data exists

See merge request !8288

Fix code that selects latest pipelines

Closes #25993 and #26031

See merge request !8286

Fixes timestamp text alignment in mr-list and issue-list

Closes #25909

See merge request !8271

Fixed discussion note resolve button SVG color

See merge request !8250

Revert "Merge branch '23638-remove-builds-tab' into 'master'"

See merge request !8315

This reverts merge request !7763

[ci skip]

"

This reverts commit 8dd85ca8.

Do not override incoming webhook channel for mattermost and slack

Closes #25887

See merge request !8270

Monkey-patch StrongParameters for ::UploadedFile

Closes gitlab-ee#1451

See merge request !8299

Improve ProcessCommitWorker for large push payloads

Closes #25827

See merge request !8267

Fix errorcode 500 on slash commands

Closes #26013

See merge request !8285

Fix format of Slack when result is nil

Closes #25954

See merge request !8248

Slack docs [ci skip]

See merge request !8269

[ci skip] Fix wrong release date for 8.15.0 on CHANGELOG

See merge request !8294