Cargo Features

[dependencies]
cumulus-primitives-aura = { version = "0.12.0", default-features = false, features = ["std"] }
default = std

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

std default

Enables std of parity-scale-codec, polkadot-core-primitives, and polkadot-primitives

polkadot-core-primitives:

Polkadot

and std of sp-api, sp-consensus-aura, sp-runtime, and sp-std

sp-api:

Substrate