Airfoil 5.10.1, Piezo 1.7.1, and Audio Hijack 3.8.1

Originally published at: Airfoil 5.10.1, Piezo 1.7.1, and Audio Hijack 3.8.1 - TidBITS

Adds full compatibility with M1-based Macs. ($29/$19 new, free updates, various sizes, macOS 10.13+)