libwebp-1.3.1 - 6/23/2023: version 1.3.1 This is a binary compatible release. * security fixes for lossless encoder (#603, chromium: #1420107, #1455619, 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 * Windows builds: - fix compatibility with clang-cl (#607) - improve Arm64 performance with cl.exe - add Arm64EC support * fix webp_js with emcc >= 3.1.27 (stack size change, #614) * CMake fixes (#592, #610, #612) * further updates to the container and lossless bitstream docs (#581, #611)
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