Cargo Features

[dependencies]
spring-web = { version = "0.3.0", default-features = false, features = ["http2", "multipart", "ws"] }
default = http2

The http2 feature is set by default whenever spring-web is added without default-features = false somewhere in the dependency tree.

http2 default

Enables http2 of axum

multipart

Enables multipart of axum

ws

Enables ws of axum

spring-web has 4 features without comments.