libpng-1.6.43 signed and released

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Hi there, hello!

As of today, the newest libpng release in the 1.6 line is out,
business-as-usual. The release tag, named "v1.6.43", is GPG-signed.

We now have support for eXIf chunks in the "push" reader, thanks to Chris
Blume. On the topic of EXIF support: the "pngexifinfo" experiment, which
had evolved together with the draft specification until it reached its
final form known as "eXIf 2017-05-31", is now available at its new home in
the new subdirectory contrib/pngexif.

Interestingly, we have a fix that is applicable to the 16-bit platform
builds of libpng (which, by the way, are not only still existing but also
still functioning), thanks to John Bowler.

And we have all kinds of fixes and improvements in the build scripts, in
the test suite, and in the CI verification process. Notable among those
improvements is the linting script (ci/ci_lint.sh), running automatically
as a GitHub Action for all contributors. (Thanks, GitHub!)

https://github.com/pnggroup/libpng/tree/v1.6.43/
https://sourceforge.net/projects/libpng/files/libpng16/1.6.43/
https://raw.githubusercontent.com/pnggroup/libpng/v1.6.43/ANNOUNCE
https://github.com/pnggroup/libpng/actions/workflows/lint.yml

Last but not least, I would like to publicly express my thanks to Travis CI
and AppVeyor CI. We have been verifying our builds for years (on FreeBSD,
Linux, Mac and Windows) thanks to their graceful support of our project.

https://app.travis-ci.com/github/ctruta/libpng
https://ci.appveyor.com/project/ctruta/libpng

--

In the good old tradition of file authentication, here are the SHA-2-256
checksums of the published files:

libpng-1.6.43.tar.gz
e804e465d4b109b5ad285a8fb71f0dd3f74f0068f91ce3cdfde618180c174925

libpng-1.6.43.tar.xz
6a5ca0652392a2d7c9db2ae5b40210843c0bbc081cbd410825ab00cc59f14a6c

lpng1643.7z
cb6345a4babcd500775626c2f0500df4f14cacd5b06dd906d2c814f7491d9374

lpng1643.zip
fc466a1e638e635d6c66363bdf3f38555b81b0141d0b06ba45b49ccca327436d

--

Sincerely,
Cosmin

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<div dir=3D"ltr"><div>Hi there, hello!<br><br></div><div>As of today, the n=
ewest libpng release in the 1.6 line is out, business-as-usual. The release=
 tag, named &quot;v1.6.43&quot;, is GPG-signed.<br></div><div><br></div><di=
v>We now have support for eXIf chunks in the &quot;push&quot; reader, thank=
s to Chris Blume. On the topic of EXIF support: the &quot;pngexifinfo&quot;=
 experiment, which had evolved together with the draft specification until =
it reached its final form known as &quot;eXIf 2017-05-31&quot;, is now avai=
lable at its new home in the new subdirectory contrib/pngexif.<br></div><di=
v><br></div><div>Interestingly, we have a fix that is applicable to the 16-=
bit platform builds of libpng (which, by the way, are not only still existi=
ng but also still functioning), thanks to John Bowler.</div><div><br></div>=
<div>And we have all kinds of fixes and improvements in the build scripts, =
in the test suite, and in the CI verification process. Notable among those =
improvements is the linting script (ci/ci_lint.sh), running automatically a=
s a GitHub Action for all contributors. (Thanks, GitHub!)<br></div><div><br=
><a href=3D"https://github.com/pnggroup/libpng/tree/v1.6.43/" target=3D"_bl=
ank">https://github.com/pnggroup/libpng/tree/v1.6.43/</a><br><a href=3D"htt=
ps://sourceforge.net/projects/libpng/files/libpng16/1.6.43/" target=3D"_bla=
nk">https://sourceforge.net/projects/libpng/files/libpng16/1.6.43/</a><br><=
a href=3D"https://raw.githubusercontent.com/pnggroup/libpng/v1.6.43/ANNOUNC=
E" target=3D"_blank">https://raw.githubusercontent.com/pnggroup/libpng/v1.6=
.43/ANNOUNCE</a><br><div><a href=3D"https://github.com/pnggroup/libpng/acti=
ons/workflows/lint.yml" target=3D"_blank">https://github.com/pnggroup/libpn=
g/actions/workflows/lint.yml</a></div><div><br></div><div>Last but not leas=
t, I would like to publicly express my thanks to Travis CI and AppVeyor CI.=
 We have been verifying our builds for years (on FreeBSD, Linux, Mac and Wi=
ndows) thanks to their graceful support of our project.</div><div><br></div=
><div><a href=3D"https://app.travis-ci.com/github/ctruta/libpng" target=3D"=
_blank">https://app.travis-ci.com/github/ctruta/libpng</a><br><a href=3D"ht=
tps://ci.appveyor.com/project/ctruta/libpng" target=3D"_blank">https://ci.a=
ppveyor.com/project/ctruta/libpng</a></div></div><div><br>--<br><br>In the =
good old tradition of file authentication, here are the SHA-2-256 checksums=
 of the published files:<br><br>libpng-1.6.43.tar.gz<br>e804e465d4b109b5ad2=
85a8fb71f0dd3f74f0068f91ce3cdfde618180c174925<br><br>libpng-1.6.43.tar.xz<b=
r>6a5ca0652392a2d7c9db2ae5b40210843c0bbc081cbd410825ab00cc59f14a6c<br><br>l=
png1643.7z<br>cb6345a4babcd500775626c2f0500df4f14cacd5b06dd906d2c814f7491d9=
374<br><br>lpng1643.zip<br>fc466a1e638e635d6c66363bdf3f38555b81b0141d0b06ba=
45b49ccca327436d<br><div><br></div>--<br><br>Sincerely,<br>Cosmin</div></di=
v>

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