Cargo Features

[dependencies]
rustls-cng = { version = "0.5.0", default-features = false, features = ["aws-lc-rs", "early-data", "fips", "logging", "ring", "tls12"] }
default = aws-lc-rs, logging, tls12

These default features are set whenever rustls-cng is added without default-features = false somewhere in the dependency tree.

aws-lc-rs default

Enables aws_lc_rs of rustls

early-data
fips

Enables fips of rustls

logging default

Enables logging of rustls

ring

Enables ring of rustls

tls12 default

Enables tls12 of rustls

rustls-cng has 7 features without comments.