Cargo Features

[dependencies]
agb_tracker = { version = "0.20.0", default-features = false, features = ["xm", "midi"] }
default = midi, xm

These default features are set whenever agb_tracker is added without default-features = false somewhere in the dependency tree.

xm default

Enables agb_xm

midi default

Enables agb_midi

agb_tracker has 3 features without comments.