Cargo Features

[dependencies]
matrix-qrcode = { version = "0.3.0", default-features = false, features = ["decode_image"] }
default = decode_image

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

decode_image default

Enables decode_image of matrix-sdk-qrcode ^0.3.0

matrix-qrcode has 2 features without comments.