Cargo Features

[dependencies]
expo_push_notification_client = { version = "0.5.1", default-features = false, features = ["default-tls", "rustls-tls"] }
default = default-tls

The default-tls feature is set by default whenever expo_push_notification_client is added without default-features = false somewhere in the dependency tree.

default-tls default

Enables default-tls of reqwest

reqwest:

Note: this doesn't enable the 'native-tls' feature, which adds specific functionality for it.

rustls-tls

Enables rustls-tls of reqwest

expo_push_notification_client has 3 features without comments.