Cargo Features

[dependencies]
link_rs = { version = "0.1.2", default-features = false, features = ["qrcode"] }
default = qrcode

The qrcode feature is set by default whenever link_rs is added without default-features = false somewhere in the dependency tree.

qrcode default

Enables qrcode ^0.12.0

link_rs has 2 features without comments.