: Mac OS X 10.6 or higher (note: newer versions like 3.4.0 raised this to macOS 10.13).
For version 3.1.6 and surrounding updates, ensure your Mac meets these specifications: Toontrack Superior Drummer 3 v3.1.6 [OSX]
Resolved an issue where keyboard shortcuts would stop working after a track was deleted. Mac System Requirements : Mac OS X 10