Cargo Features

actix-server has no features set by default.

[dependencies]
actix-server = { version = "2.5.0", features = ["io-uring"] }
io-uring = tokio-uring

Enables io-uring of actix-rt

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

tokio-uring linux io-uring?