Save your own custom compression presets for images, audio, and video. Tweak the settings you like, hit “Save as preset”, give it a name, and it shows up alongside the built-in presets next time you compress.

ALAC (Apple Lossless) is now an output format. Convert FLAC, WAV, or AIFF to a lossless .m4a that imports straight into Apple Music.

Other smaller fixes and improvements.