# 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

## 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