Cargo Features

[dependencies]
plonk-runtime-api = { version = "0.1.0", default-features = false, features = ["std"] }
default = std

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

std default

Enables std of sp-api ^3.0

plonk-runtime-api has 2 features without comments.