Radicale

* Custom handlers for auth, storage and rights (by Sergey Fursov)
* 1-file-per-event storage (by Jean-Marc Martins)
* Git support for filesystem storages (by Jean-Marc Martins)
* DB storage working with PostgreSQL, MariaDB and SQLite (by Jean-Marc Martins)
* Clean rights manager based on regular expressions (by Sweil)
* Support of contacts for Apple's clients
* Support colors (by Jochen Sprickerhof)
* Decode URLs in XML (by Jean-Marc Martins)
* Fix PAM authentication (by Stepan Henek)
* Use consistent etags (by 9m66p93w)
* Use consistent sorting order (by Daniel Danner)
* Return 401 on unauthorized DELETE requests (by Eduard Braun)
* Move pid file creation in child process (by Mathieu Dupuy)
* Allow requests without base_prefix (by jheidemann)

* New authentication and rights management modules (by Matthias Jordan)
* Experimental database storage
* Command-line option for custom configuration file (by Mark Adams)
* Root URL not at the root of a domain (by Clint Adams, Fabrice Bellet, Vincent Untz)
* Improved support for iCal, CalDAVSync, CardDAVSync, CalDavZAP and CardDavMATE
* Empty PROPFIND requests handled (by Christoph Polcin)
* Colon allowed in passwords
* Configurable realm message

* Many address books fixes
* New IMAP ACL (by Daniel Aleksandersen)
* PAM ACL fixed (by Daniel Aleksandersen)
* Courier ACL fixed (by Benjamin Frank)
* Always set display name to collections (by Oskari Timperi)
* Various DELETE responses fixed

* Repeating events
* Collection deletion
* Courier and PAM authentication methods
* CardDAV support
* Custom LDAP filters supported

* Fix the installation with Python 3.1

* MOVE requests fixed
* Faster REPORT answers
* Executable script moved into the package