Hi Peter,
Support for HTTP2 is currently on the roadmap for the Gateway, but is not currently tracked against a specific release.
Can you tell me a bit about your request? Is it just a general request for support, or do you have a specific usecase or need for it, that you can share with me? I'd like to start building some specific use cases to support the feature, other than the general "should support HTTP2".
Thanks,
Aaron Flint