Q: Is my PreSonus software compatible with Mac OS X 10.9?
A: Yes. Mavericks OS X 10.9 is now qualified with all devices listed in this document below.
Supported in Mac OS X 10.9 (Mavericks):
AudioBox USB is a class compliant core audio device. No driver installation is necessary under OSX 10.4 or above. Simply plug in your AudioBox USB to a USB port on your Mac, then select it in your preferred DAW and record.
AudioBox VSL Series: Device driver 1.2.2 is compatible with the following devices: AudioBox 22VSL AudioBox 44VSL AudioBox 1818VSL
StudioLive AI Series: Universal Control AI 1.0.1 - build 24705 StudioLive 32AI StudioLive 24AI StudioLive 16AI
FireStudio™ / StudioLive™ Series Universal Control 1.7.2 is compatible (available as of 11/8/2013 on the download page) with the following devices: StudioLive 24.4.2 StudioLive 16.4.2 StudioLive 16.0.2 FireStudio Mobile FireStudio Project FireStudio Tube FireStudio Lightpipe
Control Surfaces: FaderPort v1.3.5
Software: Studio One v2 (Professional, Producer, Artist, and Demo) We had identified a problem with Studio One 2.6.0 and 10.9, Studio One users will need to upgrade to 2.6.1.
*Versions of StudioOne released before 2.6.1 are not supported to run on OSX 10.9.
Not Supported in Mac OS X 10.9 (Mavericks) and later versions of OSX: FireStudio (2626) FireBox FirePod FP10 Inspire Inspire GT FireStation V-Fire
Other useful links regarding possible OSX 10.9 issues and MAC issues: