Cargo Features

[dependencies]
pallet-xcm-bridge-hub = { version = "0.13.0", default-features = false, features = ["std", "try-runtime", "runtime-benchmarks"] }
default = std

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

std default

Enables std of bp-messages, bp-runtime, bp-xcm-bridge-hub, parity-scale-codec, frame-support, frame-system, log, pallet-bridge-messages, scale-info, sp-core, sp-runtime, sp-std, staging-xcm, staging-xcm-builder, and staging-xcm-executor

try-runtime

Enables try-runtime of frame-support, frame-system, pallet-bridge-messages, and sp-runtime

runtime-benchmarks

Enables runtime-benchmarks of frame-support, frame-system, pallet-bridge-messages, sp-runtime, staging-xcm-builder, and staging-xcm-executor

pallet-xcm-bridge-hub has 4 features without comments.