# Cyrus IMAP 3.8.1 Release Notes

Download from GitHub:

> - https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-3.8.1/cyrus-imapd-3.8.1.tar.gz

> - https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-3.8.1/cyrus-imapd-3.8.1.tar.gz.sig

## Changes since 3.8.0

### Build changes

- Fixed Issue #4071: libical >= 3.0.10 is required

- Fixed Issue #4561: retired custom manpage generator

### Bug fixes

- Fixed Issue #4309: incorrect error code used for JMAP invalidResultReference errors

- Fixed Issue #4523: httpd crash with SIGSEGV when listing calendar

- Fixed Issue #4544: leaked SSL_SESSION during backend disconnect

- Fixed Issue #4293: cyr_cd.sh is bash, not sh

- Fixed Issue #4574: potential crash in jmap_email_parse

- Fixed Issue #4567: invalid FETCH BINARY response for sections with unknown Content-Transfer-Encoding

- Fixed Issue #4370: XFER did not fully remove source mailbox

### Other changes

- Fixed Issue #4558: better cyrusdb / `ctl_cyrusdb -r` UX