• Avoid usage of typeof and replace __builtin_offsetof with offsetof
• Honor stream->weight even if stream->last_writelen is 0
• Compile third-party libraries if hpack-tools is enabled
• nghttpx-init: Start nghttpx with --daemon (Patch from Tomasz Buchert)
• Bundle sphinxcontrib.rubydomain
  https://bitbucket.org/birkenfeld/sphinx-contrib/src/default/rubydomain/
• Bundle mruby
• h2load: Record TTFB on first byte of response body, rather than first socket read
• h2load: Improve checking for timing script input, prevent false positive in certain situations (Patch from Lucas Pardue)
• nghttpx: Implement PROXY protocol version 1 (--accept-proxy-protocol option)
• nghttpx: Allow link header server push for HTTP/2 backend as well
• nghttpx: Don't initiate push if client disabled push
• nghttpx: Allow absolute URI in Link header field for push
• nghttpx: Fix crash with multi workers and QUIT signal
• nghttpx: Add mruby support which is disabled by default (use --with-mruby configure option to enable it)
• nghttpx: Drop connection before TLS finish if h2 requirement is not fulfilled