Knowledge Base


Mac OSX 10.10 Yosemite Compatibility Statement (Updated December 8th)

Q: Is my PreSonus software and hardware compatible with Mac OS X 10.10 Yosemite?


PLEASE NOTE: As Apple makes updates to their new OSX Yosemite in coming weeks, such updates may alter our current know issues and compatibility with Yosemite. 

 UPDATE: Oct 20, 2014 : The following products are qualified for Mac OS X 10.10 (Yosemite)


- Classic StudioLive 24.4.2, 16.4.2, 16.0.2 and FireStudio Project, FireStudio Mobile, FireStudioTube and FireStudio Lightpipe with Universal Control 1.7.2.


PLEASE NOTE: If you have done an upgrade to 10.10 Yosemite instead of a clean install and you are experiencing problems with your StudioLive Classic or FireStudio device, we recommend doing a full manual uninstall and reinstall of Universal Control 1.7.2

See here for StudioLive Classic:

See here for FireStudio family:


- StudioLive Ai 32.4.2, 24.4.2, 16.4.2 (Update: Nov 26, 2014 - Works correctly as of version, Universal Control AI v1.6.0.30286)

- StudioLive RM Series, RM32 and RM16 (Update: Nov 26, 2014 - Works correctly as of version, Universal Control AI v1.6.0.30286)

- FaderPort

- Studio One 2.6.4

- Notion 5

- Notion Conducting

- Capture 2.0  (As of December 8th, 2014)



Problems we are aware of that we are working on resolving:

- AudioBox USB, AudioBox 1818VSL, 44VSL, 22VSL, iOne and iTwo with AudioBox VSL 1.3 will not display or use control panel, until the device is hot-plugged. Hot plug means to pull the USB cable and then plug it back in. We do not recommend hot-plugging with your DAW (ie Studio One, etc) open. 


Yosemite is now the latest commercial release of Apple's OSX series of operating systems. As of today, around 12:30 CST, it was announced that Yosemite is now commercially live and available to the public, ending its open Beta phase of testing and development. This latest version of their OS is hot off the presses and has not yet been completely qualified with PreSonus' currently shipping line of hardware, drivers, and software products. PreSonus developers have been testing Yosemite with our equipment and participating in the Beta, even prior to Yosemite going into its Public Beta phase. PreSonus and many other companies in the industry have direct interaction with Apple as they continue with their development of their new OS. This allows us, and our music industry family, to get as clear of a picture on how their new operating system works and interacts with our gear prior to its commercial launch. As many of the Public Beta participants have seen throughout the course of the open Beta, changes and updated builds have been released over time. Apple made changes and fixes for many initial issues that come about during early development, paving the way for Yosemite's commercial launch today. 

What does that mean for PreSonus users?

Since we have not yet fully qualified the commercial version of Yosemite with our currently shipping product lines, you may encounter or experience some issues with the initial release and usage of this brand new operating system. Please reach out to us and let us know what you find. This will not only help us to locate and work on correcting any issues that might pop up initially, but additionally aid everyone in the PreSonus family. Some fixes can take a bit longer than others, so bear with us as we work hard to qualify and fix anything that may pop up during our testing.

As you know, Apple is quite a secretive company, keeping many specifics close to their chest, all the way until launch day. This secrecy even extends outward to any and all developers outside of the Apple-MacWorld walls. The various beta versions shared with external developers and even within the public beta (prior to the actual commercial release) do not ever fully reflect the final, commercial version that has made the cut to be the "Golden Seed" for the final public launch.

This means that PreSonus, like every other company that utilizes Apple's operating systems, will be highly focused on qualifying this new software to ensure that it works with existing gear and software. Users may note a short grace period from the time of commercial launch today, which we will need take in order to fully test Yosemite with all of our current hardware and software. Once this is evaluated and reviewed, PreSonus will release a public compatibility statement which will list our recent findings, alert you to any issues and any minor fixes for drivers or software that are currently being addressed as fast as possible.

In the event that you update to Yosemite in the next several days, there is always a potential that you may experience some issues. These may be similar to those that we may also note as we work to fully quantify this new OS with our equipment. Should this become an issue for your daily operations, utilizing PreSonus products (recording, studio work or performances), please revert back to the previous operating system you were originally working with.

**Please note: As a rule of thumb, especially when working in a recording studio environment or while in the middle of a digital audio recording project, it is never advised to make major changes to the recording environment. These changes include such things as updating your drivers, updating software versions, and especially updating your operating systems. One should never make such major changes to their recording environment until you have completed said projects. Once you have a gotten to a safe point, it would then be advisable to take the time to back up and/or make an image of your computer as a precautionary safeguard should anything bad occur during the update/upgrade process. Once this step is completed, it is a good time to do some intel gathering. Please take a moment and check in with us via to see if there are known issues, issues currently being addressed and look for a comprehensive compatibility statement article released to inform everyone about how Yosemite interacts with our products. Once you have checked and double-checked that you are free and clear of known compatibility issues or bugs, it is fair to assess that you can update and upgrade your system. 


 This rule of thumb is commonly known as "One of the First 5 Rules of the Studio". 




To report any issues, please contact PreSonus Technical Support by creating a Support Ticket at for further assistance.

>How to create a support ticket<



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