HTTP/3 enabled on Let's Encrypt certificates serves the wrong (expired self-signed) certificate over QUIC because the QUIC listener is not configured in the site's server block, causing HTTP/3 to fail silently or show certificate warnings in Safari.
HTTP/3 enabled on Let's Encrypt certificates serves the wrong (expired self-signed) certificate over QUIC because the QUIC listener is not configured in the site's server block, causing HTTP/3 to fail silently or show certificate warnings in Safari.