Cargo Features

[dependencies]
iso14229-1 = { version = "0.1.0-alpha1", default-features = false, features = ["std2013", "std2020", "session_data_check"] }
default = std2020

The std2020 feature is set by default whenever iso14229-1 is added without default-features = false somewhere in the dependency tree.

std2006 std2013
std2020 default
session_data_check

iso14229-1 has 4 features without comments.