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# Cyrus IMAP 3.0.0 beta1 Release Notes

Warning

Cyrus IMAP 3.0 is under active development, and subject to change.

Do NOT use this version unless you’re a developer of sorts.

Download via HTTP:

> - http://www.cyrusimap.org/releases/cyrus-imapd-3.0.0-beta1.tar.gz
> - http://www.cyrusimap.org/releases/cyrus-imapd-3.0.0-beta1.tar.gz.sig

Download via FTP:

> - ftp://ftp.cyrusimap.org/cyrus-imapd/cyrus-imapd-3.0.0-beta1.tar.gz
> - ftp://ftp.cyrusimap.org/cyrus-imapd/cyrus-imapd-3.0.0-beta1.tar.gz.sig

## Major changes

- Support added for FastMail-style conversations (threaded messages). (See the `conversations` options in imapd.conf)

- Optional Xapian integration for faster and shinier search. Note that this requires custom patches to Xapian, in this release. (See the `search_engine` option in imapd.conf)

- Archive support has arrived! Requires addition of an archive partition. (See `archive_*` options in imapd.conf)

- Basic JMAP support. (See `httpmodules` in imapd.conf)

- Optional ClamAV integration for AntiVirus support is now working again. Requires separate installation of ClamAV. (See configure.ac `--with-clamav=DIR`)

- Dropped support for Berkeley DB.

- The handling of configure options has changed, dropping support for `--with-cyrus-prefix` and `--with-service-path` in favour of the more conventional `--prefix`, `--bindir`, `--sbindir`, and `--libexecdir`.

- Binaries executed by the cyrusmaster(8) service process are now installed to `--libexecdir`. Other binaries are installed to `--bindir` and/or `--sbindir`.

  The `make installbinsymlinks` target can be used to set up symlinks to everything in `--bindir`, if you need that in your environment.

## Significant bugfixes

- Lots of fixes to caldav and carddav.

  Includes the addition of a new daemon (calalarmd) which periodically processes a global database containing the “next” alarm for each item, and sends the relevant mboxevents. (See configure.ac `--with-calalarmd`)

- Replication reliability fixes.

- Improved `LIST-EXTENDED`: more imap tests now succeed.