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<section id="cyrus-imap-3-1-9-tag-notes">
<h1>Cyrus IMAP 3.1.9 Tag Notes<a class="headerlink" href="#cyrus-imap-3-1-9-tag-notes" title="Permalink to this heading"></a></h1>
<p>Unavailable for download as this is a development branch only.</p>
<p>Access is via git.</p>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>This should be considered for
<strong>testing purposes</strong> and <strong>bleeding-edge features</strong> only. We will try to tag these
snapshots at coherent development points, but there will generally be <strong>large
breaking changes</strong> occurring between releases in this series.</p>
</div>
<section id="major-changes-since-the-3-0-x-series">
<span id="relnotes-3-1-9-changes"></span><h2>Major changes since the 3.0.x series<a class="headerlink" href="#major-changes-since-the-3-0-x-series" title="Permalink to this heading"></a></h2>
<ul class="simple">
<li><p>Sieve bug fixes and features.</p></li>
<li><p>Caldav and Carddav improvements.</p></li>
<li><p>Support for JMAP core protocol (<span class="target" id="index-0"></span><a class="rfc reference external" href="https://datatracker.ietf.org/doc/html/rfc8620.html"><strong>RFC 8620</strong></a>).</p></li>
<li><p>Support for JMAP Mail (<span class="target" id="index-1"></span><a class="rfc reference external" href="https://datatracker.ietf.org/doc/html/rfc8621.html"><strong>RFC 8621</strong></a>).</p></li>
<li><p>Experimental support for JMAP Contacts (requires
<cite>jmap_nonstandard_extensions: yes</cite> in <a class="reference internal" href="../../../../reference/manpages/configs/imapd.conf.html#std-cyrusman-imapd.conf-5">imapd.conf(5)</a>).</p></li>
<li><p>Experimental support for JMAP Calendars (requires
<cite>jmap_nonstandard_extensions: yes</cite> in <a class="reference internal" href="../../../../reference/manpages/configs/imapd.conf.html#std-cyrusman-imapd.conf-5">imapd.conf(5)</a>).</p></li>
<li><p>Xapian bug fixes.</p></li>
<li><p>Improvements to Annotations handling.</p></li>
<li><p>DRAC support has been deprecated.</p></li>
<li><p>Support for Prometheus stats.</p></li>
<li><p>Removed support for the Sphinx backend to squatter searches.</p></li>
<li><p>New cyrus.index format v16 included since 3.1.5 - adds unseen count and
createdmodseq to index header, savedate and createdmodseq to index records</p></li>
<li><p>Support for WebSockets</p></li>
<li><p>Support for HTTP/2.0</p></li>
<li><p>Support for Zeroskip database format</p></li>
<li><p>Intermediate mailboxes are now recorded in mailboxes database</p></li>
<li><p>Conversations database format update - adds flags and internaldate fields,
and is now versioned for future-compatibility. You will need to rebuild
your conversations databases with <a class="reference internal" href="../../../../reference/manpages/systemcommands/ctl_conversationsdb.html#std-cyrusman-ctl_conversationsdb-8">ctl_conversationsdb(8)</a> and
the <cite>-b</cite> switch to benefit from this.</p></li>
<li><p>IMAP FETCH accepts two new data items, MAILBOXIDS and MAILBOXES, which
respectively return the unique ids or names of the containing mailboxes of
each message in the sequence (for best performance, rebuild your
conversations databases as above)</p></li>
<li><p><a class="reference internal" href="../../../../reference/manpages/systemcommands/mbpath.html#std-cyrusman-mbpath-8">mbpath(8)</a> is now much more useful</p></li>
<li><p>Twoskip database format now supports shared locks</p></li>
<li><p>All Cyrus binaries now use real sysexits exit codes instead of mapping
nearly everything to EX_TEMPFAIL</p></li>
<li><p>CyrusDB errors now syslog the actual error instead of just "cyrusdb error"</p></li>
<li><p>New <cite>allowdeleted</cite> <a class="reference internal" href="../../../../reference/manpages/configs/imapd.conf.html#std-cyrusman-imapd.conf-5">imapd.conf(5)</a> option (default off), which
allows admin users to see deleted mailboxes and expunged messages over IMAP</p></li>
<li><p><a class="reference internal" href="../../../../reference/manpages/systemcommands/cyr_virusscan.html#std-cyrusman-cyr_virusscan-8">cyr_virusscan(8)</a> now supports custom templates for notifications
sent about infected messages that have been deleted</p></li>
<li><p><a class="reference internal" href="../../../../reference/manpages/configs/imapd.conf.html#std-cyrusman-imapd.conf-5">imapd.conf(5)</a> options that represent a time duration now accept
'd', 'h', 'm', 's' suffixes rather than arbitrary units.</p></li>
<li><p>The <cite>tls_server_cert</cite> and <cite>tls_server_key</cite> <a class="reference internal" href="../../../../reference/manpages/configs/imapd.conf.html#std-cyrusman-imapd.conf-5">imapd.conf(5)</a> options
now allow two certificate/key pairs (e.g. RSA and EC) to be used. Thanks
Дилян Палаузов</p></li>
<li><p>Mailbox create/delete/rename are now performed under a lock on the user's
namespace, to prevent races (especially during big renames).</p></li>
</ul>
</section>
<section id="updates-to-default-configuration">
<h2>Updates to default configuration<a class="headerlink" href="#updates-to-default-configuration" title="Permalink to this heading"></a></h2>
<ul class="simple">
<li><p>The <cite>specialusealways</cite> 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.</p></li>
<li><p>The values accepted by <cite>expunge_mode</cite> have changed, please see the
documentation for more information about the changes.</p></li>
<li><p>The legacy GETANNOTATIONS/SETANNOTATIONS IMAP commands will no longer
work unless <cite>annotation_enable_legacy_commands</cite> is enabled.</p></li>
<li><p>The <cite>outbox_sendlater</cite> option and its functionality have been removed.</p></li>
</ul>
</section>
<section id="security-fixes">
<h2>Security fixes<a class="headerlink" href="#security-fixes" title="Permalink to this heading"></a></h2>
<ul class="simple">
<li><p>Contains fix for <a class="reference external" href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14230">CVE-2017-14230</a></p></li>
<li><p>Contains fix for <a class="reference external" href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18928">CVE-2019-18928</a></p></li>
<li><p>Contains fix for <a class="reference external" href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19783">CVE-2019-19783</a></p></li>
</ul>
</section>
<section id="significant-bugfixes">
<h2>Significant bugfixes<a class="headerlink" href="#significant-bugfixes" title="Permalink to this heading"></a></h2>
<ul class="simple">
<li><p>Contains fix for <a class="reference external" href="https://github.com/cyrusimap/cyrus-imapd/issues/2839">Issue #2839</a></p></li>
</ul>
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