Cargo Features

[dependencies]
cumulus-primitives-core = { version = "0.16.0", default-features = false, features = ["std", "runtime-benchmarks"] }
default = std

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

std default

Enables std of parity-scale-codec, polkadot-core-primitives, polkadot-parachain-primitives, polkadot-primitives, scale-info, sp-api, sp-runtime, sp-trie, and staging-xcm

runtime-benchmarks

Enables runtime-benchmarks of polkadot-parachain-primitives, polkadot-primitives, and sp-runtime

cumulus-primitives-core has 3 features without comments.