Cargo Features

[dependencies]
bp-parachains = { version = "0.18.0", default-features = false, features = ["std"] }
default = std

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

std default

Enables std of bp-header-chain, bp-polkadot-core, bp-runtime, parity-scale-codec, frame-support, scale-info, sp-core, sp-runtime, and sp-std

bp-parachains has 2 features without comments.