| 1 | libpng 1.6.42 - January 29, 2024
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| 2 | ================================
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| 3 |
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| 4 | This is a public release of libpng, intended for use in production code.
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| 5 |
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| 6 |
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| 7 | Files available for download
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| 8 | ----------------------------
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| 9 |
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| 10 | Source files with LF line endings (for Unix/Linux):
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| 11 |
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| 12 | * libpng-1.6.42.tar.xz (LZMA-compressed, recommended)
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| 13 | * libpng-1.6.42.tar.gz (deflate-compressed)
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| 14 |
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| 15 | Source files with CRLF line endings (for Windows):
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| 16 |
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| 17 | * lpng1642.7z (LZMA-compressed, recommended)
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| 18 | * lpng1642.zip (deflate-compressed)
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| 19 |
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| 20 | Other information:
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| 21 |
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| 22 | * README.md
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| 23 | * LICENSE.md
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| 24 | * AUTHORS.md
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| 25 | * TRADEMARK.md
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| 26 |
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| 27 |
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| 28 | Changes from version 1.6.41 to version 1.6.42
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| 29 | ---------------------------------------------
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| 30 |
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| 31 | * Fixed the implementation of the macro function `png_check_sig`.
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| 32 | This was an API regression, introduced in libpng-1.6.41.
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| 33 | (Reported by Matthieu Darbois)
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| 34 |
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| 35 |
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| 36 | Changes from version 1.6.40 to version 1.6.41
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| 37 | ---------------------------------------------
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| 38 |
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| 39 | * Added SIMD-optimized code for the Loongarch LSX hardware.
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| 40 | (Contributed by GuXiWei, JinBo and ZhangLixia)
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| 41 | * Fixed the run-time discovery of MIPS MSA hardware.
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| 42 | (Contributed by Sui Jingfeng)
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| 43 | * Fixed an off-by-one error in the function `png_do_check_palette_indexes`,
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| 44 | which failed to recognize errors that might have existed in the first
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| 45 | column of a broken palette-encoded image. This was a benign regression
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| 46 | accidentally introduced in libpng-1.6.33. No pixel was harmed.
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| 47 | (Contributed by Adam Richter; reviewed by John Bowler)
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| 48 | * Fixed, improved and modernized the contrib/pngminus programs, i.e.,
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| 49 | png2pnm.c and pnm2png.c
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| 50 | * Removed old and peculiar portability hacks that were meant to silence
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| 51 | warnings issued by gcc version 7.1 alone.
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| 52 | (Contributed by John Bowler)
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| 53 | * Fixed and modernized the CMake file, and raised the minimum required
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| 54 | CMake version from 3.1 to 3.6.
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| 55 | (Contributed by Clinton Ingram, Timothy Lyanguzov, Tyler Kropp, et al.)
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| 56 | * Allowed the configure script to disable the building of auxiliary tools
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| 57 | and tests, thus catching up with the CMake file.
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| 58 | (Contributed by Carlo Bramini)
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| 59 | * Fixed a build issue on Mac.
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| 60 | (Contributed by Zixu Wang)
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| 61 | * Moved the Autoconf macro files to scripts/autoconf.
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| 62 | * Moved the CMake files (except for the main CMakeLists.txt) to
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| 63 | scripts/cmake and moved the list of their contributing authors to
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| 64 | scripts/cmake/AUTHORS.md
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| 65 | * Updated the CI configurations and scripts.
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| 66 | * Relicensed the CI scripts to the MIT License.
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| 67 | * Improved the test coverage.
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| 68 | (Contributed by John Bowler)
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| 69 |
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| 70 |
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| 71 | Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
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| 72 | Subscription is required; visit
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| 73 | https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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| 74 | to subscribe.
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