One of the main promises of HTTP/3 is better performance under worse network conditions (e.g. no head-of-line blocking as in HTTP/2, connection migration, 0-RTT). For all of that HTTP/3 between client and proxy is really great. HTTP/3 between proxy and server is not required for that.
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One of the main promises of HTTP/3 is better performance under worse network conditions (e.g. no head-of-line blocking as in HTTP/2, connection migration, 0-RTT). For all of that HTTP/3 between client and proxy is really great. HTTP/3 between proxy and server is not required for that.