libpng/ANNOUNCE
2011-04-03 06:36:34 -05:00

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Libpng 1.5.3beta02 - April 3, 2011
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.5.3beta02.tar.xz (LZMA-compressed, recommended)
1.5.3beta02.tar.gz
1.5.3beta02.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp153b02.7z (LZMA-compressed, recommended)
lp153b02.zip
Other information:
1.5.3beta02-README.txt
1.5.3beta02-LICENSE.txt
Changes since the last public release (1.5.2):
Version 1.5.3beta01 [April 1, 2011]
Re-initialize the zlib compressor before compressing non-IDAT chunks.
Added API functions to set parameters for zlib compression of non-IDAT
chunks.
Version 1.5.3beta02 [April 3, 2011]
Updated scripts/symbols.def with new API functions.
Only compile the new zlib re-initializing code when text or iCCP is
supported, using PNG_WRITE_COMPRESSED_TEXT_SUPPORTED macro.
Improved the optimization of the zlib CMF byte (see libpng-1.2.6beta03).
Optimize the zlib CMF byte in non-IDAT compressed chunks
Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
to subscribe) or to glennrp at users.sourceforge.net
Glenn R-P