Cargo Features

[dependencies]
xmpp-http-upload = { version = "0.5.1", default-features = false, features = ["sqlite", "postgres", "localfiledb"] }
default = localfiledb, postgres, sqlite

These default features are set whenever xmpp-http-upload is added without default-features = false somewhere in the dependency tree.

sqlite default

Enables sqlite

postgres default

Enables libpq

localfiledb default

Enables serde_cbor

xmpp-http-upload has 4 features without comments.