...Works in the browser (WebAssembly). Subscriptions support (serialization-deserialization only at the moment). Copies documentation from the GraphQL schema to the generated Rust code. Arbitrary derives on the generated responses. Arbitrary custom scalars. Supports multiple operations per query document. Supports setting GraphQL fields as deprecated and having the Rust compiler check their use. Optional reqwest-based client for boilerplate-free API calls from browsers. Implicit and explicit null support.