Cargo Features

[dependencies]
bp-xcm-bridge-hub-router = { version = "0.13.0", default-features = false, features = ["std"] }
default = std

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

std default

Enables std of parity-scale-codec, scale-info, sp-core, and sp-runtime

sp-runtime:

Substrate Dependencies