Cyrus IMAP 2.4.17-caldav-beta4 Release Notes
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Changes to the Cyrus IMAP Server since 2.4.17-caldav-beta3

* Plugged leaked memory found by Valgrind

* Rewrote list_feeds() to not use memmem()

* OPTIONS method can be used without authentication

* Better handling of Connection:keep-alive

* Added httpallowedurls option

Cyrus IMAP 2.4-caldav Releases