Mosquitto 1.6.9 has been released, this is a bugfix release. # Broker - Fix session expiry with very large expiry intervals. Closes [#1525]. - Check ACL patterns for validity when loading. Closes [#1539]. - Use presence of password file as indicator for whether username checks should take place, not whether usernames are defined in the password file. Closes [#1545]. - Strip whitespace from end of config file string options. Closes [#1566]. - Satisfy valgrind when exiting on error due to not being able to open a listening socket, by calling freeaddrinfo. Closes [#1565]. - Fix `config->user` not being freed on exit. Closes [#1564]. - Fix trailing whitespace not being trimmed on acl users. Closes [#1539]. - Fix `bind_interface` not working for the default listener. Closes [#1533]. - Improve password file parsing in the broker and `mosquitto_passwd`. Closes [#1584]. - Print OpenSSL errors in more situations, like when loading certificates fails. Closes [#1552]. - Fix `mosquitto_client_protocol()` returning incorrect values. # Client library - Set minimum keepalive argument to `mosquitto_connect*()` to be 5 seconds. Closes [#1550]. - Fix `mosquitto_topic_matches_sub()` not returning `MOSQ_ERR_INVAL` if the topic contains a wildcard. Closes [#1589]. # Clients - Fix `--remove-retained` not obeying the `-T` option for filtering out topics. Closes [#1585]. - Default behaviour for v5 clients using `-c` is now to use infinite length sessions, as with v3 clients. Closes [#1546]. [#1525]: https://github.com/eclipse/mosquitto/issues/1525 [#1533]: https://github.com/eclipse/mosquitto/issues/1533 [#1539]: https://github.com/eclipse/mosquitto/issues/1539 [#1539]: https://github.com/eclipse/mosquitto/issues/1539 [#1545]: https://github.com/eclipse/mosquitto/issues/1545 [#1546]: https://github.com/eclipse/mosquitto/issues/1546 [#1550]: https://github.com/eclipse/mosquitto/issues/1550 [#1552]: https://github.com/eclipse/mosquitto/issues/1552 [#1564]: https://github.com/eclipse/mosquitto/issues/1564 [#1565]: https://github.com/eclipse/mosquitto/issues/1565 [#1566]: https://github.com/eclipse/mosquitto/issues/1566 [#1584]: https://github.com/eclipse/mosquitto/issues/1584 [#1585]: https://github.com/eclipse/mosquitto/issues/1585 [#1589]: https://github.com/eclipse/mosquitto/issues/1589