Make user mentions case-insensitive

Closes #24493

See merge request !10285

Remove duplicated tokens in issuable search bar

Closes #27293

See merge request !10167

Update rugged to 0.25.1.1

Closes #17325, #14972, and #14765

See merge request !10286

iPython notebook viewer

See merge request !10017

Improve the MR guidelines from the CONTRIBUTING guide

See merge request !9967

Fix link togglers jumping to top

Closes #29414

See merge request !9918

API: Make the /notes endpoint work with noteable iid instead of id

Closes #29871

See merge request !10258

Adds restart method and auxiliar callback to polling class

See merge request !10223

Add tooltip to user's calendar activities

Closes #28925

See merge request !10123

Fixed labels icon being hidden in collapsed issuable sidebar

Closes #29751

See merge request !10107

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/29414

Merge branch '30098-banzai-filter-mergerequestreferencefilter-has-an-n-1-query-problem' into 'master'

Resolve "Banzai::Filter::MergeRequestReferenceFilter has three N+1 query problems"

Closes #30098

See merge request !10252

Don't include branch name in Knapsack report file

See merge request !10284

Refactored the user callout class

Closes #29955

See merge request !10213

[ci skip]

Remove spreadString in favor of polyfilled Array.from

See merge request !10203

Fix environment folder route when special chars present

Closes #29922

See merge request !10250

Fixed alignment of tooltip on card assignee

Closes #30123

See merge request !10261

Fixed issue boards sidebar alignment

See merge request !10260

Stops triggering board sidebar when clicking avatar

See merge request !10265

Add a new `stub_mattermost_setting` stub helper to properly stub Mattermost settings

Closes #30172

See merge request !10288

Support wider range of monitored environments with Prometheus

Closes #29874

See merge request !10159

[ci skip]
Signed-off-by: Rémy Coutable <remy@rymai.me>

Otherwise, branches other than master won't benefit from Knapsack!
Signed-off-by: Rémy Coutable <remy@rymai.me>

Meaning of SORT_DATE was changed in libgit2.
See https://github.com/libgit2/libgit2/commit/82d4c0e6b841ae0e466bd97ab1faec0920a6b7a2

SORT_NONE is the order produced by "git log".

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

Closes #30123

Fix Gitlab::EeCompatCheck: use `ee_branch_found` instead of `ee_branch`

Closes #30136

See merge request !10255

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