1============================== 2Cyrus IMAP 2.4.0 Release Notes 3============================== 4 5Changes to the Cyrus IMAP Server since 2.3.x 6 7* All databases are now default skiplist, and ctl_cyrusdb will automatically convert database type on startup. 8* make_sha1 and make_md5 are removed (replaced by GUID and reconstruct changes) 9* Charset subsystem rewritten - Unicode 5.2 rather than Unicode 2, and UTF-8 support in sieve. 10* Core mailbox handling code largely rewritten with new APIs, CRC checksums, new locking mechanisms, merging of cyrus.index and cyrus.expunge, inclusion of user \Seen flag, and much more. 11* Replication code largely rewritten to provide better performance, consistency checking, and recovery from "split-brain" scenarios. 12* Added support for LIST-EXTENDED IMAP extension. Removed support for deprecated (compile-time) LISTEXT IMAP extension. Based on work by Martin Konold <martin.konold@erfrakon.de> 13* Added support for ESEARCH IMAP extension. 14* Added support for WITHIN extension to IMAP SEARCH. 15* Added support for ENABLE IMAP extension. 16* Added support for QRESYNC IMAP extension. 17* Added support for URLAUTH=BINARY IMAP extension. 18* Removed legacy IMAP[2|3|4] cruft. We now only support IMAPrev1 + extensions. 19* Added support for marking QoS on traffic. (courtesy of Philip Prindeville <philipp@redfish-solutions.com>) 20* Modified user_deny.db code to open database once at service startup time. 21* ... and hundreds of tiny things too numerous to mention in a short change log ... 22 23:ref:`imap-release-notes-2.4` 24