Cargo Features

[dependencies]
bp-polkadot = { version = "0.15.0", default-features = false, features = ["std"] }
default = std

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

std default

Enables std of bp-header-chain, bp-polkadot-core, bp-runtime, frame-support, sp-api, and sp-std

bp-polkadot has 2 features without comments.