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v1.5.0
libwebp-1.5.0 - 12/19/2024 version 1.5.0 This is a binary compatible release. API changes: - `cross_color_transform_bits` added to WebPAuxStats * minor lossless encoder speed and compression improvements * lossless encoding does not use floats anymore * additional Arm optimizations for lossy & lossless + general code generation improvements * improvements to WASM performance (#643) * improvements and corrections in webp-container-spec.txt and webp-lossless-bitstream-spec.txt (#646, #355607636) * further security related hardening and increased fuzzing coverage w/fuzztest (oss-fuzz: #382816119, #70112, #70102, #69873, #69825, #69508, #69208) * miscellaneous warning, bug & build fixes (#499, #562, #381372617, #381109771, #42340561, #375011696, #372109644, chromium: #334120888) Tool updates: * gif2webp: add -sharp_yuv & -near_lossless * img2webp: add -exact & -noexact * exit codes normalized; running an example program with no arguments will output its help and exit with an error (#42340557, #381372617) -
webp-rfc9649
RFC 9649 WebP Image Format doc/webp-container-spec.txt and doc/webp-lossless-bitstream-spec.txt are the basis for contents of the RFC.
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v1.4.0
libwebp-1.4.0 - 4/12/2024: version 1.4.0 This is a binary compatible release. * API changes: - libwebpmux: WebPAnimEncoderSetChunk, WebPAnimEncoderGetChunk, WebPAnimEncoderDeleteChunk - libsharpyuv: SharpYuvOptionsInit, SharpYuvConvertWithOptions - extras: SharpYuvEstimate420Risk * further security related hardening in libwebp & examples * some minor optimizations in the lossless encoder * added WEBP_NODISCARD to report unused result warnings; enable with -DWEBP_ENABLE_NODISCARD=1 * improvements and corrections in webp-container-spec.txt and webp-lossless-bitstream-spec.txt (#611) * miscellaneous warning, bug & build fixes (#615, #619, #632, #635) -
v1.3.2
libwebp-1.3.2 - 9/13/2023: version 1.3.2 This is a binary compatible release. * security fix for lossless decoder (chromium: #1479274, CVE-2023-4863)
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v1.3.1
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) -
v1.3.0
libwebp-1.3.0 - 12/16/2022: version 1.3.0 This is a binary compatible release. * add libsharpyuv, which exposes -sharp_yuv/config.use_sharp_yuv functionality to other libraries; libwebp now depends on this library * major updates to the container and lossless bitstream docs (#448, #546, #551) * miscellaneous warning, bug & build fixes (#576, #583, #584) -
v1.2.4
libwebp-1.2.4 - 8/4/2022: version 1.2.4 This is a binary compatible release. * restore CMake libwebpmux target name for compatibility with 1.2.2 (#575) * fix lossless crunch mode encoding with WEBP_REDUCE_SIZE (chromium: #1345547, #1345595, #1345772, #1345804) -
v1.2.3
libwebp-1.2.3 - 6/30/2022: version 1.2.3 This is a binary compatible release. * security fix for lossless encoder (#565, chromium:1313709) * improved progress granularity in WebPReportProgress() when using lossless * improved precision in Sharp YUV (-sharp_yuv) conversion * many corrections to webp-lossless-bitstream-spec.txt (#551) * crash/leak fixes on error/OOM and other bug fixes (#558, #563, #569, #573)
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v1.2.2
libwebp-1.2.2 - 1/11/2022: version 1.2.2 This is a binary compatible release. * webpmux: add "-set bgcolor A,R,G,B" * add ARM64 NEON support for MSVC builds (#539) * fix duplicate include error in Xcode when using multiple XCFrameworks in a project (#542) * doc updates and bug fixes (#538, #544, #548, #550) -
v1.2.1
libwebp-1.2.1 - 7/20/2021: version 1.2.1 This is a binary compatible release. * minor lossless encoder improvements and x86 color conversion speed up * add ARM64 simulator support to xcframeworkbuild.sh (#510) * further security related hardening in libwebp & examples (issues: #497, #508, #518) (chromium: #1196480, #1196773, #1196775, #1196777, #1196778, #1196850) (oss-fuzz: #28658, #28978) * toolchain updates and bug fixes (#498, #501, #502, #504, #505, #506, #509, #533) * use more inclusive language within the source (#507) -
v1.2.0
libwebp-1.2.0 - 12/23/2020: version 1.2.0 * API changes: - libwebp: encode.h: add a qmin / qmax range for quality factor (cwebp adds -qrange) * lossless encoder improvements * SIMD support for Wasm builds * add xcframeworkbuild.sh, supports Mac Catalyst builds * import fuzzers from oss-fuzz & chromium (#409) * webpmux: add an '-set loop <value>' option (#494) * toolchain updates and bug fixes (#449, #463, #470, #475, #477, #478, #479, #488, #491)