What's new
- The folder column on the mail view can now be resized
Bugfixes
- "GMT Standard Time" caused an error during .ics file import. The time zone is now mapped to "Europe/London" #11509
- Using date-picker to move event on the 31st. to a month with less than 31 days selected the wrong day #11470
- Clear entry from KeyCache if KeyLoader fails #11501
- Restore compatibility with older browsers not supporting Intl.DurationFormat