[$] Not so quickly extending QUIC

QUIC is a UDP-based transport protocol that forms the foundation of
HTTP/3.
It was initially developed at Google in 2012, and became an
IETF standard in
2021. Work on the protocol did not stop with its standardization, however. The
QUIC Working Group
published several follow-up standards. Now, it is working on
four more extensions to QUIC intended to patch over various shortcomings in the
current protocol — although progress has not been quick.