• Implements h2-14 protocol (http://tools.ietf.org/html/draft-ietf-httpbis-http2-14)
• Implements HPACK 09 (http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-09)
• Add nghttp2_submit_shutdown_notice() API function for server to tell client that server started graceful shutdown
• Add nghttp2_session_get_last_proc_stream_id() API function.
• nghttpx: Add --tls-ctx-per-worker option
• nghttpx: Add --backend-response-buffer option
• nghttpx: Add --backend-request-buffer option
• nghttpx: Fix TLS write limit does not work
• nghttpd, nghttpx: Issue RST_STREAM if content-length is invalid
• nghttp, nghttpd, nghttpx: Allow units (k, m, and g) for options which take metavar SIZE
• src: Define NOTHREADS to 1 if thread_local keyword is not available
• Add integration tests for nghttpx using golang testing framework