This is a bugfix release. # Broker * Fix loading of psk files. * Don't return an error when reloading config if an ACL file isn't defined.  This was preventing psk files being reloaded. * Clarify meaning of $SYS/broker/clients/total in mosquitto(8) man page. * Clarify meaning of $SYS/broker/messages/stored in mosquitto(8) man page. * Fix non-retained message delivery when subscribing to #. * Fix retained message delivery for subs to foo/# with retained messages at foo. * Include the filename in password/acl file loading errors. # Library * Fix possible AttributeError when `self._sock == None` in Python module. * Fix reconnecting after a timeout in Python module. * Fix reconnecting when there were outgoing packets in the queue in the Python module. * Fix problem with mutex initialisation causing crashes on some Windows installations. Source is available on the [download page], the binary packages for Windows are available now and Linux builds will be available as soon as the various build servers complete their tasks. [download page]: /download