Problem : Changing the clock source from Internal to ADAT or Wordclock will result in all inputs disappearing. Universal Control 2.2 or Universal Control 2.3 (or class compliant operation with no UC installed) When we deem it safe to upgrade to High Sierra, we will notify all registered users and update this article here.

NOTE: If you want to run 10.13 High Sierra, we strongly suggest that you create a separate partition on your hard drive and install OS X 10.13 there in a multi-boot configuration so that you can test all of your software installations separately. For more details see the Known Issues section below. * For Studio 192 / 192 Mobile, AudioBox 1818VSL (firmware 1.48) and StudioLive Series III owners wishing to use AVB for recording, we strongly recommend that you refrain from upgrading to 10.13 until further notice. * Included in their new OS are some changes which create new issues with some PreSonus products. AudioBox 1818VSL users must upgrade to Universal Control 2.3.StudioLive Ai Series Consoles and Racks.StudioLive Series III (32, 24 and 16 Consoles)*.Our testing with pre-release beta and full release versions of High Sierra (10.13) has shown the following applications and devices are working correctly with some exceptions:

Apple’s latest Mac OS X operating system named High Sierra (Mac OS X 10.13) was released on Sept 26, 2017.

Mac os x 10.13