It’s one of the most frequently asked questions on the Apple support Garageband thread and definitely among the top 3 questions I get asked nowadays… Since the release of Garageband 10, there’s one problem that’s plagued new users and old hands alike. If you’ve landed on this article in 2018 looking for a fix that will let you use your AU Plugins in GarageBand 10.3 (released June 21st 2018), CLICK HERE