The draft multipath extension is here: https://datatracker.ietf.org/doc/draft-ietf-quic-multipath/ https://datatracker.ietf.org/doc/draft-ietf-quic-multipath/

The draft multipath extension is here: https://datatracker.ietf.org/doc/draft-ietf-quic-multipath/ https://datatracker.ietf.org/doc/draft-ietf-quic-multipath/ It's on the standards track, rather than experimental, so likely to be supported once finished. There seem to be some implementations, including Apple: https://github.com/quicwg/multipath/wiki/QUIC-Implementations-with-multipath-support https://github.com/quicwg/multipath/wiki/QUIC-Implementation...