chore: prepare release v9.9.0

[Antreesy]

v9.9.0 (2026-07-13)

Full Changelog

What's Changed

🚀 Enhancements

• feat(referencePicker): introduce getReferenceWithPicker() #8532 (mejo-)
• feat(NcReferenceWidget): allow to enable resizable widget height #8695 (backportbot[bot])
• feat(NcActions): add wide prop for full-width menus #8698 (Chartman123)

🐛 Fixed bugs

• fix(NcAppNavigation): deactivate focus on resize #8646 (Antreesy)
• fix(NcDateTimePicker): correct button icon color #8632 (pallavibakale)
• fix(NcDateTimePicker): use same locale for formatting and UI elements #8643 (odzhychko)
• fix(NcGuestContent): migrate style assignment fully to CSS #8677 (Antreesy)

Other Changes

• fix(NcAppSettingsDialog): prevent style leaking to nested dialogs #8645 (Antreesy)
• test(NcFilePicker): fix flaky tests #8619 (odzhychko)
• chore: add Development container #8618 (odzhychko)
• chore: resolve ESLint warnings #8683 (susnux)
• Updated dependencies
• Updated translations

New Contributors

• @odzhychko made their first contribution in test(NcFilePicker): fix flaky tests #8619
• @pallavibakale made their first contribution in fix(NcDateTimePicker): correct button icon color #8632

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.10%. Comparing base (edcf498) to head (f9361f9).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8728   +/-   ##
=======================================
  Coverage   53.10%   53.10%           
=======================================
  Files         106      106           
  Lines        3544     3544           
  Branches     1022     1023    +1     
=======================================
  Hits         1882     1882           
  Misses       1406     1406           
  Partials      256      256           

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