Mainstage: 3.5.1

: Resolved instances where the application would quit unexpectedly when opening certain concerts or when samples were missing.

As a minor update to the larger milestone, it inherited major features introduced shortly before it, such as: MainStage 3.5.1

: Starting with version 3.5, MainStage required macOS 10.15 (Catalina) or later due to the new requirement for Metal-supported graphics. MainStage release notes - Apple Support (IS) : Resolved instances where the application would quit