- upgrade to ckeditor 19.1.0
- Ampersand in code blocks is recursively changed to `&` each save #917
- fix long filename overflowing, closes #1052
- fix hiding autocompletes after closing tab, closes #1034
- safer backup to file using VACUUM INTO + possibility to explicitly backup now
- return 401 when auth request is out of sync, closes #1056
- fix extra refresh because of duplicated sync event, closes #1063
- improvements to drag & drop