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# Cyrus IMAP

# Cyrus IMAP 3.1.2 Tag Notes

Unavailable for download as this is a development branch only.

Access is via git.

Warning

This should be considered for testing purposes and bleeding-edge features only. We will try to tag these snapshots at coherent development points, but there will generally be large breaking changes occurring between releases in this series.

## Major changes since the 3.0.x series

- Sieve bug fixes and features.
- Caldav and Carddav improvements.
- JMAP improvements.
- Xapian bug fixes.
- Improvements to Annotations handling.
- DRAC support has been deprecated.
- Support for Prometheus stats.

## Updates to default configuration

- The specialusealways option is now enabled by default. It must explicitly be disabled for interoperability with legacy clients that can’t handle RFC 6154 attributes in extended LIST commands.
- The values accepted by expunge_mode have changed, please see the documentation for more information about the changes.

## Security fixes

- Contains fix for CVE-2017-14230. [ http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14230 ]

## Significant bugfixes