udp_tunneling: allow HTTP/3 upstream to be used #36365
Open
+80
−3
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Additional Description: HTTP/3 was explicitly disabled in the code, but it seems to work fine after testing.
Risk Level: low
Testing: Manual end-to-end test against Envoy as a CONNECT-UDP terminating proxy and the MASQUE server (from Google/QUICHE).
Docs Changes: none
Release Notes: none