Bugfixes
- carddav sync error: Invalid vCard date-time string #528
- ReadReceipt Call to a member function append() on null
mailto:was broken due to fix for #484- PHP log should not always be filled with notices
- Move/copy selected messages issue #534
Improvements
- Added option to (un)hide Kolab folders
- Added CSS --border-color for better styling
- Cleanup application.ini
- Lazy load all message images
- Use HTML details/summary elements for blockquote switcher, should bugfix #516
- Update translations (french by @Mimoza and german by @noseshimself)
- Folder/mailbox name editing
- Change Squire HTML<>TEXT button for clarity as discussed in #498
- Squire HtmlEditor html source handling
- Changed "add folder" and "copy messages" glyphs
- Made the new Admin => Config experimental editable #189
- Removed CheckboxSimple component (was only used at login)
- Removed in_iframe and X-Frame-Options due to CSP, found while investigating #537
- Removed the mostly unused InputComponent and use normal
- Removed the old "move to folder" behaviour option
- Redesign messages drag and drop as discussed in #532
- Very little space to compose mail when having lots of recipients #533
- Other small code cleanups
Integrations
https://github.com/the-djmaze/snappymail/wiki/Installation-instructions#integrations
DockerHub
Read issue #44
Full Changelog: v2.18.2...v2.18.3