<!-- .. title: Version 1.4.1 released .. slug: version-1-4-1-released .. date: 2015-04-03 11:12:03 .. tags: Releases .. category: .. link: .. description: .. type: text -->

This is a bugfix and security release. Users of mosquitto 1.4 are strongly advised to upgrade. Upgrading from earlier versions is recommended but not as important.

Broker

• Fix possible crash under heavy network load. Closes #463241. This bug only affects version 1.4.
• Fix possible crash when using pattern ACLs.
• Fix problems parsing config strings with multiple leading spaces. Closes #462154.
• Websockets clients are now periodically disconnected if they have not maintained their keepalive timer. Closes #461619.
• Fix possible minor memory leak on acl parsing.

Client library

• Inflight limits should only apply to outgoing messages. Closes #461620.
• Fix reconnect bug on Windows. Closes #463000.
• Return -1 on error from mosquitto_socket(). Closes #461705.
• Fix crash on multiple calls to mosquitto_lib_init/mosquitto_lib_cleanup. Closes #462780.
• Allow longer paths on Windows. Closes #462781.
• Make _mosquitto_mid_generate() thread safe. Closes #463479.