Cargo Features

matrix-sdk-common has no features set by default.

[dependencies]
matrix-sdk-common = { version = "0.7.0", features = ["js"] }
js = wasm-bindgen-futures

Enables wasm-bindgen of instant

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features.

wasm-bindgen-futures wasm32 js?