libpng 1.6.48 released

Cosmin Truta <[email protected]> Thu, 1 May 2025 23:29:11 +0300
Newsgroups gmane.comp.graphics.png.devel
Message-ID <CAAoVtZwhDz_MD2OjWK81VCHy3B9c9zaeLGP1SyhHvu65P7_uMA@mail.gmail.com>
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Dear libpng users,

I'm as happy as usual for my business-as-usual announcement of the release
of libpng 1.6.48.

Notably, we swatted a bug in the floating-point API, specifically in the
setter of the mDCv chunk. We had only tested the fixed-point API at the
time when we first introduced the mDCv support. (Oopsie!)

https://github.com/pnggroup/libpng/tree/v1.6.48/
https://sourceforge.net/projects/libpng/files/libpng16/1.6.48/
https://raw.githubusercontent.com/pnggroup/libpng/v1.6.48/ANNOUNCE

--

I would like to send a big thank you to Travis CI for their five-year-long
contribution to our automated verification process. Until we sign up with
another service, I will be performing those verifications, manually, on
FreeBSD, Linux and Mac. Mind you, it's not me, exactly; it's my ThinkPad,
my Mac, and my Raspberry Pis. I'll be the one who claims *"Works For Me=E2=
=84=A2=EF=B8=8F"*.

And, of course, thanks that are just as big shall go to AppVeyor CI for
continuing to help us out with the verification on Windows.

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-1.6.48.tar.gz
68f3d83a79d81dfcb0a439d62b411aa257bb4973d7c67cd1ff8bdf8d011538cd

libpng-1.6.48.tar.xz
46fd06ff37db1db64c0dc288d78a3f5efd23ad9ac41561193f983e20937ece03

lpng1648.7z
ee1c03066e1f6fdc6fe44b9a83a895f9f92039659895ee08324b82fe6bfb50b6

lpng1648.zip
2e5f080360f77376eb2bfa9e2ed773b9c7728159aba47b638ad53ca839379040

--

Sincerely,
Cosmin

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<div dir=3D"ltr">Dear libpng users,<br><br>I&#39;m as happy as usual for my=
 business-as-usual announcement of the release of libpng 1.6.48.<br><br>Not=
ably, we swatted a bug in the floating-point API, specifically in the sette=
r of the mDCv chunk. We had only tested the fixed-point API at the time whe=
n we first introduced the mDCv support. (Oopsie!)<br><br><a href=3D"https:/=
/github.com/pnggroup/libpng/tree/v1.6.48/">https://github.com/pnggroup/libp=
ng/tree/v1.6.48/</a><br><a href=3D"https://sourceforge.net/projects/libpng/=
files/libpng16/1.6.48/">https://sourceforge.net/projects/libpng/files/libpn=
g16/1.6.48/</a><br><a href=3D"https://raw.githubusercontent.com/pnggroup/li=
bpng/v1.6.48/ANNOUNCE">https://raw.githubusercontent.com/pnggroup/libpng/v1=
.6.48/ANNOUNCE</a><br><br>--<br><br>I would like to send a big thank you to=
 Travis CI for their five-year-long contribution to our automated verificat=
ion process. Until we sign up with another service, I will be performing th=
ose verifications, manually, on FreeBSD, Linux and Mac. Mind you, it&#39;s =
not me, exactly; it&#39;s my ThinkPad, my Mac, and my Raspberry Pis. I&#39;=
ll be the one who claims <i>&quot;Works For Me=E2=84=A2=EF=B8=8F&quot;</i>.=
<br><br>And, of course, thanks that are just as big shall go to AppVeyor CI=
 for continuing to help us out with the verification on Windows.<br><br><a =
href=3D"https://ci.appveyor.com/project/ctruta/libpng">https://ci.appveyor.=
com/project/ctruta/libpng</a><br><br>--<br><br>In the good old tradition of=
 file authentication, here are the SHA-2-256 checksums of the published fil=
es:<br><br>libpng-1.6.48.tar.gz<br>68f3d83a79d81dfcb0a439d62b411aa257bb4973=
d7c67cd1ff8bdf8d011538cd<br><br>libpng-1.6.48.tar.xz<br>46fd06ff37db1db64c0=
dc288d78a3f5efd23ad9ac41561193f983e20937ece03<br><br>lpng1648.7z<br>ee1c030=
66e1f6fdc6fe44b9a83a895f9f92039659895ee08324b82fe6bfb50b6<br><br>lpng1648.z=
ip<br>2e5f080360f77376eb2bfa9e2ed773b9c7728159aba47b638ad53ca839379040<br><=
br>--<br><br>Sincerely,<br>Cosmin</div>

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