<!-- .. title: Version 1.3.1 released .. slug: version-1-3-1-released .. date: 2014-03-24 23:55:32 .. tags: Releases .. category: .. link: .. description: .. type: text -->

This is a bugfix release:

Broker

• Prevent possible crash on client reconnect. Closes bug #1294108.
• Don't accept zero length unsubscription strings (MQTT v3.1.1 fix)
• Don't accept QoS 3 (MQTT v3.1.1 fix)
• Don't disconnect clients immediately on HUP to give chance for all data to be read.
• Reject invalid un/subscriptions e.g. foo/+bar #/bar.
• Take more care not to disconnect clients that are sending large messages.

Client library

• Fix socketpair code on the Mac.
• Fix compilation for WITH_THREADING=no.
• Break out of select() when calling mosquitto_loop_stop().
• Reject invalid un/subscriptions e.g. foo/+bar #/bar.

Clients

• Fix keepalive value on mosquitto_pub.
• Fix possibility of mosquitto_pub not exiting after sending messages when using -l.