Cargo Features

ctap_hmac has no features set by default.

[dependencies]
ctap_hmac = { version = "0.4.5", features = ["request_multiple"] }
request_multiple = crossbeam

Affects util::request_multiple_devices, util::get_assertion_devices, util::make_credential_devices

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

crossbeam request_multiple?

Enables crossbeam ^0.7.3