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source: vbox/trunk/src/libs/libpng-1.6.36/ANNOUNCE@ 78251

Last change on this file since 78251 was 76030, checked in by vboxsync, 6 years ago

libpng-1.6.36: properly export to OSE, and while at it fix EOL style for shell scripts

  • Property svn:eol-style set to native
File size: 2.6 KB
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1libpng 1.6.36 - December 1, 2018
2================================
3
4This is a public release of libpng, intended for use in production code.
5
6
7Files available for download
8----------------------------
9
10Source files with LF line endings (for Unix/Linux):
11
12 * libpng-1.6.36.tar.xz (LZMA-compressed, recommended)
13 * libpng-1.6.36.tar.gz
14
15Source files with CRLF line endings (for Windows):
16
17 * lp1636.7z (LZMA-compressed, recommended)
18 * lp1636.zip
19
20Other information:
21
22 * README.md
23 * LICENSE.md
24 * AUTHORS.md
25 * TRADEMARK.md
26
27
28IMPORTANT licensing update: libpng license v2
29---------------------------------------------
30
31The new libpng license comprises the terms and conditions from the zlib
32license, and the disclaimer from the Boost license.
33
34The legacy libpng license, used until libpng-1.6.35, is appended to the
35new license, following the precedent established in the Python Software
36Foundation License version 2.
37
38From now on, the list of contributing authors shall be maintained in a
39separate AUTHORS file. The lists of previous contributing authors,
40mentioned in the legacy libpng license and considered to be an integral
41part of that license, are kept intact, with no further updates.
42
43
44Changes since the previous public release (version 1.6.35)
45----------------------------------------------------------
46
47 * Optimized png_do_expand_palette for ARM processors.
48 Improved performance by around 10-22% on a recent ARM Chromebook.
49 (Contributed by Richard Townsend, ARM Holdings)
50 * Fixed manipulation of machine-specific optimization options.
51 (Contributed by Vicki Pfau)
52 * Used memcpy instead of manual pointer arithmetic on Intel SSE2.
53 (Contributed by Samuel Williams)
54 * Fixed build errors with MSVC on ARM64.
55 (Contributed by Zhijie Liang)
56 * Fixed detection of libm in CMakeLists.
57 (Contributed by Cameron Cawley)
58 * Fixed incorrect creation of pkg-config file in CMakeLists.
59 (Contributed by Kyle Bentley)
60 * Fixed the CMake build on Windows MSYS by avoiding symlinks.
61 * Fixed a build warning on OpenBSD.
62 (Contributed by Theo Buehler)
63 * Fixed various typos in comments.
64 (Contributed by "luz.paz")
65 * Raised the minimum required CMake version from 3.0.2 to 3.1.
66 * Removed yet more of the vestigial support for pre-ANSI C compilers.
67 * Removed ancient makefiles for ancient systems that have been broken
68 across all previous libpng-1.6.x versions.
69 * Removed the Y2K compliance statement and the export control
70 information.
71 * Applied various code style and documentation fixes.
72
73
74Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
75Subscription is required; visit
76https://lists.sourceforge.net/lists/listinfo/png-mng-implement
77to subscribe.
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