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From:	"Cygwin libidn2 Maintainer" <Brian DOT Inglis AT SystematicSW DOT ab DOT ca>
To:	cygwin AT cygwin DOT com
Date:	Sun, 30 Oct 2022 08:19:02 -0600
Message-Id:	<announce.20221030081902.29820-1-Brian.Inglis@SystematicSW.ab.ca>
Subject:	[ANNOUNCEMENT] Updated: libidn2{, _0, -devel, -doc} mingw64-{x86_64,
	i686}-libidn2 2.3.4
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The following packages have been upgraded in the Cygwin distribution:

* libidn2			2.3.4
* libidn2_0			2.3.4
* libidn2-devel			2.3.4
* libidn2-doc			2.3.4
* mingw64-x86_64-libidn2	2.3.4
* mingw64-i686-libidn2		2.3.4

International Domain Name library encodes and decodes Internationalized
Domain Names implementing IETF IDN WG Stringprep, Punycode, IDNA2008,
and Unicode TR46 specifications.

Mingw packages provide MS VC RT-linked binaries, NOT Cygwin binaries,
for use with the mingw64-{x86_64,i686}-gcc cross compiler, installed in
/usr/{x86_64,i686}-w64-mingw32/sys-root/mingw/{bin,lib,include}/.

For more information see the project home page:

	https://www.gnu.org/software/libidn/#libidn2

or the repo README:

	https://gitlab.com/libidn/libidn2

Please see below or read /usr/share/doc/libidn2/NEWS after installation
for details of changes:

	https://gitlab.com/libidn/libidn2/-/blob/master/NEWS


Noteworthy changes in release 2.3.4 (2022-10-23) [stable]

* Support for Unicode 15.0.0.

  We now use Unicode.org's IDNA2008 tables rather than IANA's.
  See <https://gitlab.com/libidn/libidn2/-/issues/112> and
  <https://lists.gnu.org/archive/html/help-libidn/2022-10/msg00000.html>
  for rationale, which can be summarized into

  1) IANA are still on 2019-era Unicode version 12 and we wish to
     support Unicode version 12-15,
  2) consistency with some other implementations,
  3) the only incompatibility related to U+19DA is deemed to have minor
     real-world consequences.

  Thus we break backwards compatibility for U+19DA in this release
  compared against libidn2 0.11..2.3.3 thus reverting back to the
  libidn2 <= 0.11 behaviour.
  We decided to not bump ABI version and believe this is the best choice
  going forward as well for minor internal non-API related ABI changes.

* Gnulib updated and now libunistring-optional is used.

  This allows you to force libidn2 to use internal libunistring with the
  following command: ./configure --with-included-libunistring


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