Updated: mingw64-x86_64-/nghttp2 libnghttp2_14/-devel 1.56

Brian Inglis Brian.Inglis@Shaw.ca
Tue Sep 12 13:55:42 GMT 2023

The following packages have been upgraded in the Cygwin distribution:

* nghttp2			1.56
* libnghttp2_14			1.56
* libnghttp2-devel		1.56
* mingw64-x86_64-nghttp2	1.56

HTTP/2 and its header compression algorithm HPACK implementation.
The framing layer of HTTP/2 is implemented as a reusable library.
Also included are an HTTP/2 client, server, proxy, load test and
benchmarking tool.

Support for previously deprecated Python bindings, modules, and
documentation was dropped some releases ago.

For more information see the project home page:


or the repo README:


See link or text below for recent changes; after installation for
complete details of changes read /usr/share/doc/nghttp2/ChangeLog.


2023-09-04	v1.56.0


* The following dependencies have been updated:

- ngtcp2
- nghttp3
- BoringSSL
- quictls
- libbpf
- third-party
- llhttp


* Rework is done in functions that send ECN bits.

* --frontend-quic-congestion-controller=bbr2 has been renamed to

Nghttpx, H2load

* Fix issue that CMSG_DATA does not necessarily return an aligned pointer.

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