HTTP/2 C library and tools

Nghttp2 v1.38.0

We have released nghttp2 v1.38.0.


This release fixes the bug that on_header callback is still called after stream is closed.


http-parser is upgraded to v2.9.1.


This release fixes the bug that authority and path altered by per-pattern mruby script can affect backend selection on retry.

It also fixes the bug that HTTP/1.1 chunked request stalls.

Now nghttpx does not log authorization request header field value with -LINFO.

Now nghttpx can be built with modern LibreSSL.