Changelog

1.0.0

• Ensure no data is sent after a stream reset.

• Make H3Connection’s send_datagram() and send_push_promise() methods raise an InvalidStreamTypeError exception if an invalid stream ID is specified.

• Improve the documentation for QuicConnectionProtocol’s transmit() method.

• Fix utcnow() deprecation warning on Python 3.12 by using cryptography 42.0 and timezone-aware datetime instances when validating TLS certificates.

• Build binary wheels against OpenSSL 3.2.0.

• Ignore any non-ASCII ALPN values received.

• Perform more extensive HTTP/3 header validation in H3Connection.

• Fix exceptions when draining stream writers in the asyncio API.

• Set the QuicConnection idle timer according to RFC 9000 section 10.1.

• Implement fairer stream scheduling in QuicConnection to avoid head-of-line blocking.

• Only load certifi root certificates if none was specified in the QuicConfiguration.

• Improve padding of UDP datagrams containing Initial packets to comply with RFC 9000 section 14.1.

• Limit the number of pending connection IDs marked for retirement to prevent a possible DoS attack.