docs: release notes for 3.6.3

docsrc/imap/download/release-notes/3.6/x/3.6.3.rst

@@ -0,0 +1,36 @@
+:tocdepth: 3
+
+==============================
+Cyrus IMAP 3.6.3 Release Notes
+==============================
+
+Download from GitHub:
+
+    *   https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-3.6.3/cyrus-imapd-3.6.3.tar.gz
+    *   https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-3.6.3/cyrus-imapd-3.6.3.tar.gz.sig
+
+.. _relnotes-3.6.3-changes:
+
+Changes since 3.6.2
+===================
+
+Bug fixes
+---------
+
+* Fixed :issue:`4309`: incorrect error code used for JMAP
+  invalidResultReference errors
+* Fixed :issue:`4577`: fixed use of uninitialised value
+* Fixed :issue:`4537`: timsieved shut_down crash
+* Fixed :issue:`4544`: leaked SSL_SESSION during backend disconnect
+* Fixed :issue:`4293`: cyr_cd.sh is bash, not sh
+* Fixed :issue:`4359`: lock ordering fixes (also fixes :issue:`4611`)
+* Fixed :issue:`4370`: XFER did not fully remove source mailbox
+* Fixed :issue:`4574`: potential crash in jmap_email_parse
+* Fixed :issue:`4611`: assertion when setting sharedseen on a shared mailbox
+* Fixed :issue:`4567`: invalid FETCH BINARY response for sections with
+  unknown Content-Transfer-Encoding
+
+Other changes
+-------------
+
+* Fixed :issue:`4558`: better cyrusdb / ``ctl_cyrusdb -r`` UX