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Date:	Sun, 02 Jul 2023 19:59:28 -0600
Message-Id:	<announce.20230702195928.3299-1-Brian.Inglis@Shaw.ca>
Subject:	[ANNOUNCEMENT] Updated: libwebp{, -devel, 7, decoder3, demux2,
	mux3} 1.3.1
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The following packages have been upgraded in the Cygwin distribution:

* libwebp		1.3.1
* libwebp-devel		1.3.1
* libwebp7		1.3.1
* libwebpdecoder3	1.3.1
* libwebpdemux2		1.3.1
* libwebpmux3		1.3.1

WebP is a modern web image format with superior compression.
WebP lossless images are 26% smaller in size compared to PNGs.
Lossless WebP supports (alpha channel) transparency at a cost of 22% overhead.
WebP lossy images are 25-34% smaller than JPEG images at equivalent quality.
Lossy WebP supports transparency with 3× smaller file sizes than PNG.
A WebP file consists of VP8 or VP8L image data in a RIFF container.

For more information see the project home page:

	https://developers.google.com/speed/webp/

As there are multiple components and changes each release please
see below or read /usr/share/doc/libwebp/NEWS after installation;
for complete details of changes see:

	/usr/share/doc/libwebp/ChangeLog
or

https://chromium.googlesource.com/webm/libwebp/+log/refs/tags/v1.3.1/ChangeLog


version 1.3.1	2023-06-23

This is a binary compatible release.

* security fixes for lossless encoder CVE-2023-1999
* improve error reporting through WebPPicture error codes
* fix upsampling for RGB565 and RGBA4444 in NEON builds
* img2webp: add -sharp_yuv & -near_lossless
* fix webp_js with emcc >= 3.1.27 (stack size change)
* CMake fixes
* further updates to the container and lossless bitstream docs
* Windows builds:
  - fix compatibility with clang-cl
  - improve Arm64 performance with cl.exe
  - add Arm64EC support


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