Cargo Features

[dependencies]
bp-bridge-hub-polkadot = { version = "0.17.0", default-features = false, features = ["std"] }
default = std

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

std default

Enables std of bp-bridge-hub-cumulus, bp-messages, bp-runtime, frame-support, sp-api, sp-runtime, and sp-std

bp-bridge-hub-polkadot has 2 features without comments.