Don't upgrade, and while you're at it, turn off auto-updates immediately. They need to test their next version of MC on the SAME version available to the public, starting tomorrow. and those changes may indeed affect all of the work Avid has done.

But at this very moment while they are doing so, Apple is also making last-minute changes to Sierra for its release. They have been working with Apple on a beta version of it, so that they can bring everyone a next version of Media Composer that will run on it. I know I sound like a broken record here, but Avid's engineers and app designers are aware of Sierra. (Thanks to the ever-awake Shane Ross for the reminder on this one!) (Just don't install it.) Otherwise if you need the first release (10.12.0), you'll have it handy. WARNING #3: Even though you shouldn't install Sierra, you SHOULD download it for later. WARNING #2: Sierra will be the first version since OS X Mountain Lion, released in 2012, that DOES NOT RUN on all computers that the previous version supported.

You will need to download a new ve rsion (or patch upgrade) of Media Composer, qualified for Sierra, once Avid makes it. No version of MC that you have running right now will operate on Sierra. Not until Avid makes a version of MC that can run on it. If you value your ability to operate Media Composer. If you really want to go to High Sierra (10.13. The follow-up to 'El Capitan' is called 'Sierra' (v10.12.0). Instead I got it done following this answer on Quora. MacOS Sierra (10.12.1) is now supported but only with Media Composer 8.6.5.Īaaah, the next version of Mac OS X.

Update mac os 10.12