Cargo Features

[dependencies]
kawa = { version = "0.6.6", default-features = false, features = ["rc-alloc", "custom-vecdeque", "tolerant-parsing"] }
default = rc-alloc, simd, tolerant-parsing

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

rc-alloc default
custom-vecdeque
simd tolerant-parsing default

Kawa has 4 features without comments.