Iroh Quinn

This is a fork based on quinn, maintained by n0. Currently published to crates.io under iroh-quinn.

Main differences to upstream quinn

Small API improvements

Implements additional QUIC extensions

• Multipath
• QAD
• QNT

Expanded support for QLOG

Quinn is a pure-rust, async-compatible implementation of the IETF [QUIC][quic] transport protocol.

Simultaneous client/server operation

Ordered and unordered stream reads for improved performance

Works on stable Rust, tested on Linux, macOS and Windows

Pluggable cryptography, with a standard implementation backed by [rustls][rustls] and [ring][ring]

Application-layer datagrams for small, unreliable messages

Future-based async API

Minimum supported Rust version of 1.83.0

License

Copyright 2025 The quinn developers Copyright 2025 N0, INC.

This project is licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this project by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.