v0.27.3

docs/HTTP3.md

@@ -74,6 +74,9 @@ All changes to socket/ALPN/QUIC transport parameters require restart.
   of forbidden connection/framing headers; streamed bodies and trailers.
 - Shared routing pipeline: real local socket -> validated authority -> trusted client
   address -> ACL -> Tinyauth -> cache -> origin -> response/security/Server policies.
+- HTTP cache semantics are shared with HTTP/1.1 and HTTP/2. In 0.27.3, body-less
+  `HEAD` requests use the same bounded empty-body probe as `GET`, so an initially
+  unpolled HTTP/3 receive stream does not cause a false `request_body` cache bypass.
 - 0-RTT is disabled to avoid replaying writes; no retry to another origin or transport.
 - Endpoint active migration is disabled. Missing real local destination data on a
   wildcard QUIC connection fails closed rather than substituting a forwarded IP.