Jack OS X has been updated to v0.78, which updates Jackdmp server to address an issue causing the Ardour application to hang when quitting (in the case where Ardour started the Jack server itself).

Changes:

• Updated to latest version of Jackdmp, to address problem with Ardour.
• Jackdmp - 1.90.
• JackRouter - 0.8.7.
• JackPilot - 1.6.4, fix an issue when closing the application.