QUIC has TLS built into it, and also (http) streams, and a few other such goodies (say, masque - tunneling). It definitely "fills the hole" between L4..L7. Or s

QUIC has TLS built into it, and also (http) streams, and a few other such goodies (say, masque - tunneling). It definitely "fills the hole" between L4..L7. Or smashes the layers, if you prefer.