Cargo Features

bevy-async-runner has no features set by default.

[dependencies]
bevy-async-runner = { version = "0.1.2", features = ["tokio-runtime", "tokio-runtime-multi-thread"] }
tokio-runtime

Enables rt of tokio

tokio:

Includes basic task execution capabilities

tokio-runtime-multi-thread

Enables sync of maybe-sync, rt and rt-multi-thread of tokio

bevy-async-runner has 2 features without comments.