hyper 0.14.27 has it <sup>[[1]](https://docs.rs/hyper/0.14.27/hyper/server/struct.Builder.html#method.http2_max_pending_accept_reset_streams)</sup>. It was merged [here](https://github.com/hyperium/hyper/pull/3201). hyper-util 0.1.1 is missing it <sup>[[2]](https://docs.rs/hyper-util/latest/hyper_util/server/conn/auto/struct.Http2Builder.html)</sup>. The other 10 http2 methods are present. This is the only one missing. PR incoming