Update ROundcube to 1.6.0
Update to jQuery-UI 1.13.1 (#8455)
Added possibility to make the logo image a link via the 'skin_logo' option (#8501)
Use navigator.pdfViewerEnabled for PDF viewer detection
Remove use of unreliable charset detection (#8344)
Don't list images attached to multipart/related part as attachments (#7184)
Password: Add support for ssha256 algorithm (#8459)
Fix so unix:// URI is supported in various host spec. options again (#8468)
Fix slow loading of long HTML content into the HTML editor (#8108)
Fix bug where SMTP password didn't work if it contained '%p' (#8435)
Enigma: Fix initial synchronization of private keys
Enigma: Fix double quoted-printable encoding of pgp-signed messages with no attachments (#8413)
This app packages Roundcube
Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an email client, including MIME support, address book, folder manipulation, message searching and spell checking.