Jack OS X has been updated to v0.84, which removes the requirement to use Aggregate Device on Intel Macs. It also adds a new "hog" mode and fixes some server-related bugs.

Changes:

• Changed requirement to have single duplex audio device specified in preferences; now specify Input and Output devices separately (eliminates Aggregate Device requirement for Intel Macs).
• Added optional clock drift compensation mode when using Input and Output devices controlled by independent clocks.
• Added hog mode, to prevent other applications from changing sample rate of devices that Jack server is already using.
• Added notification that Jack server stopped when not using hog mode and another application changed sample rate on device(s) Jack was using.
• Fixed sleep/wake bug on Snow Leopard (10.6).
• Fixed monitor port naming in JackAudioDriver and JackCoreAudioDriver.
• Fixed bug with potential race condition at startup.
• Jackdmp / Jack2 – 1.9.4.
• JackRouter – 0.9.2.
• JackPilot – 1.6.7.