Feature Request: HTTP/2 support

[JoeUX]

There doesn't seem to be any way to specify which HTTP protocol to use. The choice is typically between HTTP/1.1 and HTTP/2. It would be nice to be able to choose.

By the way, what is it using by default?

(Soon HTTP/3 will start to appear with REST API servers, since it will reduce latency using QUIC with fewer handshakes. It will be nice to be able to choose this as well. If you're using the browser's HTTP stack to connect, HTTP/3 is already available in Chrome and Firefox.)