Cargo Features

[dependencies]
libp2p-iroh = { version = "0.1.3", default-features = false, features = ["swarm"] }
default = swarm

The swarm feature is set by default whenever libp2p-iroh is added without default-features = false somewhere in the dependency tree.

swarm default

Enables kad and macros of libp2p

libp2p-iroh has 2 features without comments.