Which http version does Kyuubi rest uses? Does it support http2 or http3?

[HaoYang670]

As the title.

[pan3793]

HTTP/1.

Any specific reasons for the expectation of HTTP/2 or HTTP/3?

[HaoYang670]

Thanks!
We get some performance bottleneck when the throughput is high. I am wondering if using http2 could solve some part of it.