Audio Hijack 3.8.9 and Piezo 1.7.7

Originally published at: Audio Hijack 3.8.9 and Piezo 1.7.7 - TidBITS

Adds full compatibility with macOS 12 Monterey and updates Audio Capture Engine to version 11.7.7. ($49/$19 new, free updates, various sizes, macOS 10.14.4+)