Cargo Features

[dependencies]
xcm-runtime-apis = { version = "0.4.0", default-features = false, features = ["std", "runtime-benchmarks"] }
default = std

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

std default

Enables std of parity-scale-codec, frame-support, scale-info, sp-api, sp-weights, staging-xcm, and staging-xcm-executor

runtime-benchmarks

Enables runtime-benchmarks of frame-support and staging-xcm-executor

xcm-runtime-apis has 3 features without comments.