Cargo Features

[dependencies]
rapid-qoi = { version = "0.6.1", default-features = false, features = ["std", "alloc", "io"] }
default = std

The std feature is set by default whenever rapid-qoi is added without default-features = false somewhere in the dependency tree.

std default io? = alloc
alloc std
io = std

rapid-qoi has 4 features without comments.