tag:github.com,2008:https://github.com/sandstranger/libwebp/releases 2025-07-09T22:59:25Z tag:github.com,2008:Repository/1137051750/v1.6.0 2025-07-09T22:59:25Z <p>libwebp-1.6.0</p> <p>- 6/30/2025 version 1.6.0 <br /> This is a binary compatible release. <br /> API changes: <br /> - libwebp: WebPValidateDecoderConfig <br /> * additional x86 (AVX2, SSE2), general optimizations and compression <br /> improvements for lossless <br /> * `-mt` returns same results as single-threaded lossless (regressed in <br /> 1.5.0, #426506716) <br /> * miscellaneous warning, bug &amp; build fixes (#393104377, #397130631, <br /> #398288323, #398066379, #427503509) <br /> Tool updates: <br /> * cwebp can restrict the use of `-resize` with `-resize_mode` (#405437935)</p> jzern tag:github.com,2008:Repository/1137051750/v1.6.0-rc1 2025-07-02T00:24:26Z jzern tag:github.com,2008:Repository/1137051750/v1.5.0 2024-12-20T02:13:19Z <p>libwebp-1.5.0</p> <p>- 12/19/2024 version 1.5.0 <br /> This is a binary compatible release. <br /> API changes: <br /> - `cross_color_transform_bits` added to WebPAuxStats <br /> * minor lossless encoder speed and compression improvements <br /> * lossless encoding does not use floats anymore <br /> * additional Arm optimizations for lossy &amp; lossless + general code generation <br /> improvements <br /> * improvements to WASM performance (#643) <br /> * improvements and corrections in webp-container-spec.txt and <br /> webp-lossless-bitstream-spec.txt (#646, #355607636) <br /> * further security related hardening and increased fuzzing coverage w/fuzztest <br /> (oss-fuzz: #382816119, #70112, #70102, #69873, #69825, #69508, #69208) <br /> * miscellaneous warning, bug &amp; build fixes (#499, #562, #381372617, <br /> #381109771, #42340561, #375011696, #372109644, chromium: #334120888) <br /> Tool updates: <br /> * gif2webp: add -sharp_yuv &amp; -near_lossless <br /> * img2webp: add -exact &amp; -noexact <br /> * exit codes normalized; running an example program with no <br /> arguments will output its help and exit with an error (#42340557, <br /> #381372617)</p> jzern tag:github.com,2008:Repository/1137051750/v1.5.0-rc1 2024-12-13T20:39:24Z jzern tag:github.com,2008:Repository/1137051750/webp-rfc9649 2024-10-18T16:49:37Z <p>RFC 9649 WebP Image Format</p> <p>doc/webp-container-spec.txt and doc/webp-lossless-bitstream-spec.txt are <br />the basis for contents of the RFC.</p> jzern tag:github.com,2008:Repository/1137051750/v1.4.0 2024-04-13T01:53:18Z <p>libwebp-1.4.0</p> <p>- 4/12/2024: version 1.4.0 <br /> This is a binary compatible release. <br /> * API changes: <br /> - libwebpmux: WebPAnimEncoderSetChunk, WebPAnimEncoderGetChunk, <br /> WebPAnimEncoderDeleteChunk <br /> - libsharpyuv: SharpYuvOptionsInit, SharpYuvConvertWithOptions <br /> - extras: SharpYuvEstimate420Risk <br /> * further security related hardening in libwebp &amp; examples <br /> * some minor optimizations in the lossless encoder <br /> * added WEBP_NODISCARD to report unused result warnings; enable with <br /> -DWEBP_ENABLE_NODISCARD=1 <br /> * improvements and corrections in webp-container-spec.txt and <br /> webp-lossless-bitstream-spec.txt (#611) <br /> * miscellaneous warning, bug &amp; build fixes (#615, #619, #632, #635)</p> jzern tag:github.com,2008:Repository/1137051750/v1.4.0-rc1 2024-04-03T01:41:19Z jzern tag:github.com,2008:Repository/1137051750/v1.3.2 2023-09-14T01:49:25Z <p>libwebp-1.3.2</p> <p>- 9/13/2023: version 1.3.2 <br /> This is a binary compatible release. <br /> * security fix for lossless decoder (chromium: #1479274, <a title="CVE-2023-4863" href="https://github.com/advisories/GHSA-j7hp-h8jx-5ppr">CVE-2023-4863</a>)</p> jzern tag:github.com,2008:Repository/1137051750/v1.3.1 2023-06-29T02:07:40Z <p>libwebp-1.3.1</p> <p>- 6/23/2023: version 1.3.1 <br /> This is a binary compatible release. <br /> * security fixes for lossless encoder (#603, chromium: #1420107, #1455619, <br /> <a title="CVE-2023-1999" href="https://github.com/advisories/GHSA-8x9p-cw2c-6253">CVE-2023-1999</a>) <br /> * improve error reporting through WebPPicture error codes <br /> * fix upsampling for RGB565 and RGBA4444 in NEON builds <br /> * img2webp: add -sharp_yuv &amp; -near_lossless <br /> * Windows builds: <br /> - fix compatibility with clang-cl (#607) <br /> - improve Arm64 performance with cl.exe <br /> - add Arm64EC support <br /> * fix webp_js with emcc &gt;= 3.1.27 (stack size change, #614) <br /> * CMake fixes (#592, #610, #612) <br /> * further updates to the container and lossless bitstream docs (#581, #611)</p> jzern tag:github.com,2008:Repository/1137051750/v1.3.1-rc2 2023-06-23T19:36:12Z jzern