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# Cyrus IMAP 2.4.17-caldav-beta6 Release Notes

Changes to the Cyrus IMAP Server since 2.4.17-caldav-beta5

- RSS module now produces Atom 1.0 output rather than RSS 2.0 (we prefer IETF standards)
- PROPFIND/REPORT allprop/propname requests are now supported
- unixhierarchysep is now supported by all HTTP modules
- Completely rewrote write_body() - Range requests are now supported on non-chunked Content-Encoded data
- Added cache control response headers where appropriate to make Redbot happy
- Fixed handling of telemetry log file descriptors and truncation
- Allow GET on calendar collections for “exporting” entire calendar
- Fixed POST on calendar collection (add-member)
- Fixed parsing of calendar-query filter
- Added several CalDAV/iCalendar validation checks based on CalDAVTester results

Cyrus IMAP 2.4-caldav Releases