:tocdepth: 3

==============================
Cyrus IMAP 2.5.9 Release Notes
==============================

.. IMPORTANT::

    This is a bug-fix release in the stable 2.5 series.

    Refer to the Cyrus IMAP 2.5.0 Release Notes for important information
    about the 2.5 series, including upgrading instructions.

Download from GitHub:

    *   https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-2.5.9/cyrus-imapd-2.5.9.tar.gz
    *   https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-2.5.9/cyrus-imapd-2.5.9.tar.gz.sig

.. _relnotes-2.5.9-changes:

Changes Since 2.5.8
===================

Dependency changes
------------------

* Libical 2.0.0 is now supported.
* preliminary support for OpenSSL 1.1.0 (not yet released)

Other changes
-------------

* :cyrusman:`ipurge(8)` now supports a "-n" (dry run) option (thanks Valentin Vidic)

Bug fixes
---------

* Fixed: imapd now proxies LIST (special-use) to backend (thanks John Capo)
* Fixed: sync_client handles its shutdown file more reliably (thanks John Capo)
* Fixed: httpd no longer crashes with assertion failure on shutdown after
  CalDAV has been used
* Fixed bugzilla #3938: squat search now handles pre-2.5 cyrus.squat data
* Fixed :issue:`5`: twoskip database I/O performance in unlocked foreach
* various build system improvements
