Resolve ""Merge when pipeline succeeds" visible if approvals are pending"

Closes #1595

See merge request !1101

Add info on using both push/pull repository mirroring

See merge request !1146

[ci skip]

Update the 8.16.3 changelog in master

See merge request !1145

Ignore encrypted attributes in Import/Export (EE version)

See merge request !1140

Closes #24458

See merge request !8739
# Conflicts:
#	spec/features/projects/import_export/test_project_export.tar.gz

CE upstream

See merge request !1139

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

UX Guide: minor updates

See merge request !8862

[ci skip] UX guide: clean up term tables in copy

[ci skip] UX guide: update dropdown max height for multiline items

Remove hard-coded absolute URLs from all frontend assets

See merge request !8831

Fixed Issuable sidebar so it remains closed on mobile/smaller screen devices

See merge request !7466

[ci skip]

[ci skip]

Merge branch '27248-filtered-search-does-not-allow-filtering-labels-with-multiple-words' into 'master'

Fix filtering label and milestone with multiple words

Closes #27248 and #27334

See merge request !8830

[EE] Resolve "NameError: uninitialized constant ApplicationSetting::DEFAULTS"

See merge request !1124

Resolve "NameError: uninitialized constant ApplicationSetting::DEFAULTS"

Closes #27280

See merge request !8805

Merge branch '26448-unnecessary-request-is-made-when-filter-input-box-is-focused-by-keyboard' into 'master'

Only search commits on input change since last search

Closes #26448

See merge request !8488

Fix search bar search param encoding

Closes #27398

See merge request !8753

Contribution calendar now scrolls right by default

See merge request !6192

Refactor fast-forward merge requests docs

See merge request !1137

[ci skip]