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Date:	Sun, 04 Dec 2022 14:58:56 +0100
Message-Id:	<announce.20221204145856.2386232-1-corinna-cygwin@cygwin.com>
Subject:	[ANNOUNCEMENT] cygwin 3.4.0-1
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The following packages have been uploaded to the Cygwin distribution:

* cygwin-3.4.0-1
* cygwin-devel-3.4.0-1
* cygwin-doc-3.4.0-1

==========================================================================
                   IMPORTANT DEPRECATION NOTES
==========================================================================

- Cygwin 3.4 is the FIRST major version dropping support for

  - 32 bit Windows including WOW64 on 64 bit Windows.
  - Windows Vista
  - Windows Server 2008

- Cygwin 3.4 is the LAST major version supporting

  - Windows 7
  - Windows Server 2008 R2
  - Windows 8
  - Windows Server 2012

- Cygwin 3.5, which will probably be release at some point in late 2023,
  will run on

  - Windows 8.1
  - Windows 10
  - Windows 11
  - Windows Server 2012 R2
  - Windows Server 2016
  - Windows Server 2019
  - Windows Server 2022

There are no plans to deprecate support for 64 bit systems starting with
Windows 8.1 / Windows Server 2012 R2 any time soon.

==========================================================================

What's new:
-----------

- Drop support for Vista and Server 2008.

- Drop support for 32 bit Windows and WOW64.

- Allow to run with full ASLR enabled and enable on Cygwin DLL by default.

- Remove any special handling for the .com filename suffix. It has to
  be used always explicitely.

- Add code to handle setrlimit(RLIMIT_AS).

- Add code to handle signal masks in /proc/<PID>/status.

- Handle UDP_SEGMENT and UDP_GRO socket options.


What changed:
-------------

- The CYGWIN=pipe_byte option is now set by default, so that pipes are
  opened in byte mode rather than message mode.
  Addresses: https://cygwin.com/pipermail/cygwin/2021-March/247987.html

- The stdio input functions no longer try again to read after EOF.
  This aligns Cygwin behavior to that of Linux.
  Addresses: https://cygwin.com/pipermail/cygwin/2022-June/251672.html

- Treat an empty path (empty element in PATH or PATH is absent) as
  the current directory as Linux does.
  Addresses: https://cygwin.com/pipermail/cygwin/2022-June/251730.html

- The default values of FD_SETSIZE and NOFILE are now 1024 and 3200,
  respectively.
  Addresses: https://cygwin.com/pipermail/cygwin/2022-July/251839.html


Bug Fixes
---------

- Don't error out if getfacl(1) is called on a socket file.
  Partially addresses: https://cygwin.com/pipermail/cygwin/2022-July/251768.html

- Make serial ioctl(TIOCMBIS/TIOCMBIC) work on USB CDC devices.
  Addresses: https://cygwin.com/pipermail/cygwin/2022-November/252443.html

- Fix a SEGV when running a process with changed primary group.
  Addresses: https://cygwin.com/pipermail/cygwin-apps/2022-September/042245.html

- Fix primary group handling when running a process tree containing
  non-Cygwin processes and with changed primary group.  The Cygwin child
  process of a non-Cygwin process will have reverted its primary group
  to the default primary group erroneously.
  Addresses: https://cygwin.com/pipermail/cygwin-apps/2022-September/042245.html

- Fix parsing Windows command line when non-ASCII chars are in the input.
  Addresses: https://cygwin.com/pipermail/cygwin/2022-November/252481.html


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