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255 lines
11 KiB
Plaintext
255 lines
11 KiB
Plaintext
- 12/23/2020: version 1.2.0
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* API changes:
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- libwebp:
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encode.h: add a qmin / qmax range for quality factor (cwebp adds -qrange)
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* lossless encoder improvements
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* SIMD support for Wasm builds
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* add xcframeworkbuild.sh, supports Mac Catalyst builds
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* import fuzzers from oss-fuzz & chromium (#409)
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* webpmux: add an '-set loop <value>' option (#494)
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* toolchain updates and bug fixes (#449, #463, #470, #475, #477, #478, #479,
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#488, #491)
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- 12/18/2019: version 1.1.0
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* API changes:
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- libwebp:
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WebPMalloc (issue #442)
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- extras:
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WebPUnmultiplyARGB
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* alpha decode fix (issue #439)
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* toolchain updates and bug fixes
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(chromium: #1026858, #1027136, #1027409, #1028620, #1028716, #995200)
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(oss-fuzz: #19430, #19447)
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- 7/4/2019: version 1.0.3
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This is a binary compatible release.
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* resize fixes for Nx1 sizes and the addition of non-opaque alpha values for
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odd sizes (issues #418, #434)
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* lossless encode/decode performance improvements
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* lossy compression performance improvement at low quality levels with flat
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content (issue #432)
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* python swig files updated to support python 3
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Tool updates:
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vwebp will now preserve the aspect ratio of images that exceed monitor
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resolution by scaling the image to fit (issue #433)
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- 1/14/2019: version 1.0.2
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This is a binary compatible release.
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* (Windows) unicode file support in the tools (linux and mac already had
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support, issue #398)
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* lossless encoder speedups
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* lossy encoder speedup on ARM
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* lossless multi-threaded security fix (chromium:917029)
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- 11/2/2018: version 1.0.1
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This is a binary compatible release.
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* lossless encoder speedups
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* big-endian fix for alpha decoding (issue #393)
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* gif2webp fix for loop count=65535 transcode (issue #382)
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* further security related hardening in libwebp & libwebpmux
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(issues #383, #385, #386, #387, #388, #391)
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(oss-fuzz #9099, #9100, #9105, #9106, #9111, #9112, #9119, #9123, #9170,
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#9178, #9179, #9183, #9186, #9191, #9364, #9417, #9496, #10349,
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#10423, #10634, #10700, #10838, #10922, #11021, #11088, #11152)
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* miscellaneous bug & build fixes (issues #381, #394, #396, #397, #400)
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- 4/2/2018: version 1.0.0
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This is a binary compatible release.
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* lossy encoder improvements to avoid chroma shifts in various circumstances
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(issues #308, #340)
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* big-endian fixes for decode, RGBA import and WebPPictureDistortion
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Tool updates:
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gifwebp, anim_diff - default duration behavior (<= 10ms) changed to match
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web browsers, transcoding tools (issue #379)
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img2webp, webpmux - allow options to be passed in via a file (issue #355)
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- 11/24/2017: version 0.6.1
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This is a binary compatible release.
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* lossless performance and compression improvements + a new 'cruncher' mode
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(-m 6 -q 100)
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* ARM performance improvements with clang (15-20% w/ndk r15c, issue #339)
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* webp-js: emscripten/webassembly based javascript decoder
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* miscellaneous bug & build fixes (issue #329, #332, #343, #353, #360, #361,
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#363)
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Tool updates / additions:
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added webpinfo - prints file format information (issue #330)
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gif2webp - loop behavior modified to match Chrome M63+ (crbug.com/649264);
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'-loop_compatibility' can be used for the old behavior
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- 1/26/2017: version 0.6.0
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* lossless performance and compression improvements
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* miscellaneous performance improvements (SSE2, NEON, MSA)
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* webpmux gained a -duration option allowing for frame timing modification
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* new img2webp utility allowing a sequence of images to be converted to
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animated webp
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* API changes:
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- libwebp:
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WebPPictureSharpARGBToYUVA
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WebPPlaneDistortion
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- libwebpmux / gif2webp:
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WebPAnimEncoderOptions: kmax <= 0 now disables keyframes, kmax == 1
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forces all keyframes. See mux.h and the gif2webp
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manpage for details.
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- 12/13/2016: version 0.5.2
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This is a binary compatible release.
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This release covers CVE-2016-8888 and CVE-2016-9085.
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* further security related hardening in the tools; fixes to
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gif2webp/AnimEncoder (issues #310, #314, #316, #322), cwebp/libwebp (issue
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#312)
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* full libwebp (encoder & decoder) iOS framework; libwebpdecoder
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WebP.framework renamed to WebPDecoder.framework (issue #307)
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* CMake support for Android Studio (2.2)
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* miscellaneous build related fixes (issue #306, #313)
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* miscellaneous documentation improvements (issue #225)
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* minor lossy encoder fixes and improvements
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- 6/14/2016: version 0.5.1
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This is a binary compatible release.
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* miscellaneous bug fixes (issues #280, #289)
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* reverted alpha plane encoding with color cache for compatibility with
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libwebp 0.4.0->0.4.3 (issues #291, #298)
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* lossless encoding performance improvements
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* memory reduction in both lossless encoding and decoding
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* force mux output to be in the extended format (VP8X) when undefined chunks
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are present (issue #294)
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* gradle, cmake build support
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* workaround for compiler bug causing 64-bit decode failures on android
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devices using clang-3.8 in the r11c NDK
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* various WebPAnimEncoder improvements
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- 12/17/2015: version 0.5.0
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* miscellaneous bug & build fixes (issues #234, #258, #274, #275, #278)
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* encoder & decoder speed-ups on x86/ARM/MIPS for lossy & lossless
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- note! YUV->RGB conversion was sped-up, but the results will be slightly
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different from previous releases
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* various lossless encoder improvements
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* gif2webp improvements, -min_size option added
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* tools fully support input from stdin and output to stdout (issue #168)
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* New WebPAnimEncoder API for creating animations
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* New WebPAnimDecoder API for decoding animations
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* other API changes:
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- libwebp:
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WebPPictureSmartARGBToYUVA() (-pre 4 in cwebp)
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WebPConfig::exact (-exact in cwebp; -alpha_cleanup is now the default)
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WebPConfig::near_lossless (-near_lossless in cwebp)
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WebPFree() (free'ing webp allocated memory in other languages)
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WebPConfigLosslessPreset()
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WebPMemoryWriterClear()
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- libwebpdemux: removed experimental fragment related fields and functions
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- libwebpmux: WebPMuxSetCanvasSize()
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* new libwebpextras library with some uncommon import functions:
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WebPImportGray/WebPImportRGB565/WebPImportRGB4444
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- 10/15/15: version 0.4.4
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This is a binary compatible release.
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* rescaling out-of-bounds read fix (issue #254)
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* various build fixes and improvements (issues #253, #259, #262, #267, #268)
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* container documentation update
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* gif2webp transparency fix (issue #245)
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- 3/3/15: version 0.4.3
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This is a binary compatible release.
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* Android / gcc / iOS / MSVS build fixes and improvements
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* lossless decode fix (issue #239 -- since 0.4.0)
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* documentation / vwebp updates for animation
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* multi-threading fix (issue #234)
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- 10/13/14: version 0.4.2
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This is a binary compatible release.
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* Android / gcc build fixes
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* (Windows) fix reading from stdin and writing to stdout
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* gif2webp: miscellaneous fixes
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* fix 'alpha-leak' with lossy compression (issue #220)
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* the lossless bitstream spec has been amended to reflect the current code
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- 7/24/14: version 0.4.1
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This is a binary compatible release.
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* AArch64 (arm64) & MIPS support/optimizations
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* NEON assembly additions:
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- ~25% faster lossy decode / encode (-m 4)
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- ~10% faster lossless decode
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- ~5-10% faster lossless encode (-m 3/4)
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* dwebp/vwebp can read from stdin
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* cwebp/gif2webp can write to stdout
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* cwebp can read webp files; useful if storing sources as webp lossless
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- 12/19/13: version 0.4.0
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* improved gif2webp tool
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* numerous fixes, compression improvement and speed-up
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* dither option added to decoder (dwebp -dither 50 ...)
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* improved multi-threaded modes (-mt option)
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* improved filtering strength determination
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* New function: WebPMuxGetCanvasSize
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* BMP and TIFF format output added to 'dwebp'
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* Significant memory reduction for decoding lossy images with alpha.
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* Intertwined decoding of RGB and alpha for a shorter
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time-to-first-decoded-pixel.
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* WebPIterator has a new member 'has_alpha' denoting whether the frame
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contains transparency.
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* Container spec amended with new 'blending method' for animation.
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- 6/13/13: version 0.3.1
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This is a binary compatible release.
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* Add incremental decoding support for images containing ALPH and ICCP chunks.
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* Python bindings via swig for the simple encode/decode interfaces similar to
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Java.
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- 3/20/13: version 0.3.0
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This is a binary compatible release.
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* WebPINewRGB/WebPINewYUVA accept being passed a NULL output buffer
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and will perform auto-allocation.
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* default filter option is now '-strong -f 60'
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* encoding speed-up for lossy methods 3 to 6
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* alpha encoding can be done in parallel to lossy using 'cwebp -mt ...'
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* color profile, metadata (XMP/EXIF) and animation support finalized in the
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container.
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* various NEON assembly additions
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Tool updates / additions:
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* gif2webp added
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* vwebp given color profile & animation support
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* cwebp can preserve color profile / metadata with '-metadata'
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- 10/30/12: version 0.2.1
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* Various security related fixes
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* cwebp.exe: fix import errors on Windows XP
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* enable DLL builds for mingw targets
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- 8/3/12: version 0.2.0
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* Add support for ARGB -> YUVA conversion for lossless decoder
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New functions: WebPINewYUVA, WebPIDecGetYUVA
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* Add stats for lossless and alpha encoding
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* Security related hardening: allocation and size checks
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* Add PAM output support to dwebp
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- 7/19/12: version 0.1.99
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* This is a pre-release of 0.2.0, not an rc to allow for further
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incompatible changes based on user feedback.
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* Alpha channel encode/decode support.
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* Lossless encoder/decoder.
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* Add TIFF input support to cwebp.
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Incompatible changes:
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* The encode ABI has been modified to support alpha encoding.
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* Deprecated function WebPINew() has been removed.
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* Decode function signatures have changed to consistently use size_t over
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int/uint32_t.
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* decode_vp8.h is no longer installed system-wide.
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* cwebp will encode the alpha channel if present.
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- 9/19/11: version 0.1.3
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* Advanced decoding APIs.
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* On-the-fly cropping and rescaling of images.
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* SSE2 instructions for decoding performance optimizations on x86 based
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platforms.
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* Support Multi-threaded decoding.
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* 40% improvement in Decoding performance.
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* Add support for RGB565, RGBA4444 & ARGB image colorspace.
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* Better handling of large picture encoding.
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- 3/25/11: version 0.1.2
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* Incremental decoding: picture can be decoded byte-by-byte if needs be.
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* lot of bug-fixes, consolidation and stabilization
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- 2/23/11: initial release of version 0.1, with the new encoder
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- 9/30/10: initial release version with only the lightweight decoder
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