v4.0.0

What's Changed

• Update to net8 by @stefannikolei in #2583
• Handle dedup of local palette of 256 length - Main by @JimBobSquarePants in #2607
• Replace custom Crc32 by @JimBobSquarePants in #2611
• Sync 3.1 DrawImage fixes by @tocsoft in #2612
• Fix handling gif encoding for global palettes - Main by @JimBobSquarePants in #2615
• Bump actions/setup-dotnet from 3 to 4 by @dependabot[bot] in #2613
• Adjusted the casing of the Webp format name by @jscarle in #2623
• Fix Paeth Filter decode on platforms that do not support Ssse3 - Main by @JimBobSquarePants in #2620
• Fix WebP animation speed bug by @marklagendijk in #2624
• Promote PixelTypeInfo to Pixel by @stefannikolei in #2601
• TGA: Treat 32 bit True Color images always as transparent by @brianpopow in #2643
• Modernize and optimize pixel format operations across platforms. by @JimBobSquarePants in #2645
• Cleanup SimdUtils by @JimBobSquarePants in #2654
• Bump actions/cache from 3 to 4 by @dependabot[bot] in #2648
• Bump codecov/codecov-action from 3 to 4 by @dependabot[bot] in #2657
• Bump NuGet/setup-nuget from 1 to 2 by @dependabot[bot] in #2658
• Add v3.1.x fixes #2673 and #2674 into main. by @JimBobSquarePants in #2675
• Add fixes 2668, 2676, and 2677 to main by @JimBobSquarePants in #2678
• Merge 2681 to v4 Main by @JimBobSquarePants in #2690
• Add JPEG COM marker support by @RobertMut in #2641
• Bump actions/upload-artifact from 3 to 4 by @dependabot[bot] in #2625
• Only exit JPEG scan decoding after multiple EOF hits by @JimBobSquarePants in #2701
• V4 Ensure VP8X alpha flag is updated correctly. by @JimBobSquarePants in #2703
• Fix animated png handling (issue #2708) by @SpaceCheetah in #2710
• Merge latest release from v3 by @JimBobSquarePants in #2720
• Fix MacOS jobs by @antonfirsov in #2728
• Fix async-over-sync issue in Image.DecodeAsync() by @kroymann in #2725
• Fix overflow in MemoryAllocator.Create(options) by @antonfirsov in #2730
• GifDecoder: Limit lzw bits to a maximum of 12 bits by @brianpopow in #2744
• GifDecoder : Allow skipping bad metadata using identify by @JimBobSquarePants in #2749
• Add ICO and CUR file decoder. by @frg2089 in #2579
• v4 - Fix off-by-one error when centering a transform. by @JimBobSquarePants in #2761
• v4 Fix 2758 by @JimBobSquarePants in #2764
• Simplify Color Space Conversion APIs by @JimBobSquarePants in #2739
• Webp: Fix Issue 2763 by @brianpopow in #2767
• V4 Correctly break during Png decoding by @JimBobSquarePants in #2773
• V4 : Fix filtering on PNG encode. by @JimBobSquarePants in #2778
• Fix #2779 buffer overrun by @KirillAldashkin in #2780
• Fix ImageMetadata docs typo by @lofcz in #2781
• Add API for metadata conversion between formats. by @JimBobSquarePants in #2751
• Tiff decoder: Fix issue 2679 by @brianpopow in #2789
• Replace PngCrcChunkHandling by @JimBobSquarePants in #2786
• Add tagname to debugger visualization for Exif- and Iptc-values, to facilitate easier debugging and discovery by @lassevk in #2787
• V4 - Correctly handle transform spaces when building transform matrices. by @JimBobSquarePants in #2795
• Allow decoding Tiff of different frame size. by @JimBobSquarePants in #2788
• Add progressive JPEG encoder by @ardabada in #2740
• Fix using dither in BmpEncoder when bit per pixel is <= 4 by @mistoll in #2819
• Add QuadDistortion to ProjectiveTransformBuilder by @Socolin in #2748
• WEBP : Use Correct Width With AlphaDecoder by @JimBobSquarePants in #2823
• #2807 Add early return in InternalDetectFormat by @stefannikolei in #2835
• V4 : Rewrite ChunkedMemoryStream by @JimBobSquarePants in #2838
• cleanup projects and environment variables by @kasperk81 in #2812
• Expose Convolution Api by @JimBobSquarePants in #2797
• Normalize Animation Encoders by @JimBobSquarePants in #2842
• Normalize Encoder Transparency Handling For Alpha Aware Image Formats by @JimBobSquarePants in #2844
• Remove Unsafe usage from GifDecoderCore and optimize loops by @antonfirsov in #2851
• Install libgdiplus on ubuntu by @stefannikolei in #2875
• V4 : Decode Chunky Tile Rows Directly. by @JimBobSquarePants in #2879
• Get the benchmarks working again. by @JimBobSquarePants in #2886
• V4: Gracefully handle LZW overflows by @JimBobSquarePants in #2887
• Refactor buffer allocation in Vp8BitWriter.cs to use Span instead of byte[] in WriteFrameHeader by @paulomorgado in #2905
• Nested sub ifds parsing fix by @IldarKhayrutdinov in #2869
• Fix #2907. BMP indexed palette parsed wrong by @zabulus in #2911
• Undo horizontal prediction for each tile row in case of tiled tiff's by @brianpopow in #2878
• V4 - Use BPP from Color Writer for Compressor by @JimBobSquarePants in #2916
• Modernize JPEG Color Converters by @JimBobSquarePants in #2917
• Color conversion with ICC profiles by @JimBobSquarePants in #1567
• V4 : Fix GIF, PNG, and WEBP Edge Case Handling by @JimBobSquarePants in #2894
• Improve JPEG Block8x8F Intrinsics for Vector128 paths. by @JimBobSquarePants in #2918
• Do not attempt to decode iDAT chunks when image is fully decoded. by @JimBobSquarePants in #2926
• Fix Code Coverage Tests by @JimBobSquarePants in #2928
• Do not encode WEBP images exceeding max dimensions by @JimBobSquarePants in #2930
• Enable colorimetric normalization of JPEG image data during decode by @JimBobSquarePants in #2922
• Remove unneeded loop in IccClut by @stefannikolei in #2936
• Fix Typo and Offset in BufferedReadStream by @stefannikolei in #2935
• V4 : Remove ExifTagValue.InteroperabilityIndex by @JimBobSquarePants in #2938
• Add ARM support to WEBP Utilities by @JimBobSquarePants in #2933
• Add Full Support for JPEG Tiff PhotometricInterpretation.Separated by @JimBobSquarePants in #2937
• V4 TIFF : Allow additional and undefined extra samples by @JimBobSquarePants in #2941
• V4 Use EXIF byte order for EXIF encoded strings. by @JimBobSquarePants in #2943
• Reduce the number of memory allocations in lossless WebP encoder by @SladeThe in #2940
• GIF: Check for end of stream when reading comments. by @JimBobSquarePants in #2954
• Enforce Explicit Types and Target Type new by @stefannikolei in #2951
• Use Target Type new only when apparent by @stefannikolei in #2958
• Update Subject EXIF metadata when transforming images. by @JimBobSquarePants in #2946
• Convert CodeBase to collection Expressions by @stefannikolei in #2957
• Handle hex parsing in Color with format support by @JimBobSquarePants in #2964
• Do not store obsolete tRNS chunk data following processing. by @JimBobSquarePants in #2975
• Update to license enforcing submodule by @JimBobSquarePants in #2981
• Only set GIF canvas background when required. by @JimBobSquarePants in #2982
• When decoding a compressed TIFF, truncate a too-long string instead of throwing an exception by @brianberns in #2986
• Enforce ICC D50 PCS illuminant when converting colours between profiles by @waacton in #2987
• v4 : Add Full Metadata Parsing for WEBP Animations by @JimBobSquarePants in #3001
• V4: Prevent negative allocation attempt for huge TIFF files by @JimBobSquarePants in #3003
• Fix detection of canonical sRGB profiles by @JimBobSquarePants in #3008
• Fix off-by-one errors when transforming images. by @JimBobSquarePants in #3011
• Throw UnknownImageFormatException for empty input by @JimBobSquarePants in #3020
• Normalize WebP Chunk parsing. by @JimBobSquarePants in #3021
• Add ARM hosted runners by @stefannikolei in #3018
• Explicitly handle missing SOS marker. by @JimBobSquarePants in #3022
• Add .NET10.0 as TFM by @stefannikolei in #3014
• Fix decoding tiff image with BigEndian + 64 bit / pixel + associated alpha by @Socolin in #3032
• Fix PixelColorType.YCbCr wrongly interpreted as grayscale in PngEncoder by @Socolin in #3034
• Fix VP8X reserved bytes use Position += 3 instead of Write, causing 3-byte truncation in alpha WebP images by @jrlost in #3036
• Apply ICC Profile / Color Conversion when decoding PNG by @Socolin in #3028
• Make UnmanagedMemoryHandle members readonly and improve pool finalization tests by @JimBobSquarePants in #3040
• Minor optimizations to Resize. by @JimBobSquarePants in #3044
• Enhance XmpProfile to add XDocument normalization by @JimBobSquarePants in #3047
• Add proper IptcProfile support in PNG by @JimBobSquarePants in #3048
• Add ICC profile conversion support to WEBP by @JimBobSquarePants in #3051
• feat: Add animation loop control to DrawImage with repeatCount parameter by @Yushu2606 in #2995
• Allow ICC conversion for Uncompressed CIE Lab, CMYK and RGB TIFF by @JimBobSquarePants in #3054
• Capture palette from Tiff when available. by @JimBobSquarePants in #3055
• Bump codecov/codecov-action from 4 to 5 by @dependabot[bot] in #2840
• Speed improvements to resize convolution (no vpermps w/ FMA) by @JimBobSquarePants in #2793
• Undo #2025 by @antonfirsov in #3061
• Bump actions/cache from 4 to 5 by @dependabot[bot] in #3059
• Add row-stride overloads for memory APIs by @JimBobSquarePants in #3066
• Bump actions/upload-artifact from 4 to 6 by @dependabot[bot] in #3058
• Bump actions/setup-dotnet from 4 to 5 by @dependabot[bot] in #3060
• Throw explicit InvalidImageContentException when BMP BPP is invalid. by @JimBobSquarePants in #3069
• Add sparse ICC v4 mAB/mBA LUT support for ICC conversion by @JimBobSquarePants in #3070
• JPEG - Throw explicit ImageContentException on missing marker. by @JimBobSquarePants in #3072
• Replace AntialiasSubpixelDepth with AntialiasThreshold by @JimBobSquarePants in #3073
• Add check, if Offset is greater then stream length when reading bitmap colorMapSize by @brianpopow in #3075
• Bump actions/checkout from 4 to 6 by @dependabot[bot] in #3057
• Add Matrix4x4 transform overloads and corresponding tests by @JimBobSquarePants in #3077
• Add check for span length in parse PNG pHYs chunk by @brianpopow in #3080
• Bump actions/upload-artifact from 6 to 7 by @dependabot[bot] in #3076
• Add checks, if enough data is present when reading PNG text chunks by @brianpopow in #3081
• PNG: Should Not Throw Exception when alpha.Length > colorTable.Length in tRNS chunk by @brianpopow in #3084
• Expand pixel blender API to support single color bulk operations and fix transforms. by @JimBobSquarePants in #3089
• PNG: Throw InvalidImageContentException when frame control chunk does not have enough data by @brianpopow in #3094
• Add working-buffer blending and adjust row APIs by @JimBobSquarePants in #3102
• Fix JPEG SIMD slicing and padding length handling. by @JimBobSquarePants in #3105
• Update and simplify quantization color caches and tests by @JimBobSquarePants in #3107
• Fix Identify returning incorrect frame count for animated PNGs by @andreas-eriksson in #3101
• Add ImageInfo.GetPixelMemorySize; docs & tests by @JimBobSquarePants in #3108
• Modernize PorterDuffFunctions with operators and add tests by @JimBobSquarePants in #3109
• Allow -1 (unbounded) parallelism; validate settings by @JimBobSquarePants in #3110
• Benchmark parallelization by @antonfirsov in #3111
• Add more throughput benchmarks and pass Configuration where missed by @antonfirsov in #3114
• Add support for OpenEXR image format by @brianpopow in #3096
• Add accumulative allocation tracking to allocators by @JimBobSquarePants in #3056
• JPEG : Optimize ScaledCopyTo and Block8x8F for common scale factors by @JimBobSquarePants in #3115
• Replace parallel row iteration with sequential loops in Crop/Convolution Processors by @JimBobSquarePants in #3113
• Enhance decoders with segment integrity handling by @JimBobSquarePants in #3119
• Revert "Merge pull request #3056 from SixLabors/js/accumulative-memor… by @JimBobSquarePants in #3123
• Add ImageFrame visitor; use Buffer2D Size/Bounds + Expose Subregion by @JimBobSquarePants in #3125
• Add support for decoding PXR24 compressed Exr images by @brianpopow in #3124
• Bump codecov/codecov-action from 5 to 6 by @dependabot[bot] in #3097
• Bump NuGet/setup-nuget from 2 to 4 by @dependabot[bot] in #3121
• Add additional unit tests to improve code coverage. Update licensing by @JimBobSquarePants in #3127
• Fix integer overflow and bounds-checking vulnerabilities in EXR decoder by @svenclaesson in #3126
• Add AllocationTrackedMemoryManager and refactor allocators by @JimBobSquarePants in #3120

New Contributors

• @jscarle made their first contribution in #2623
• @marklagendijk made their first contribution in #2624
• @RobertMut made their first contribution in #2641
• @frg2089 made their first contribution in #2579
• @KirillAldashkin made their first contribution in #2780
• @lofcz made their first contribution in #2781
• @lassevk made their first contribution in #2787
• @ardabada made their first contribution in #2740
• @mistoll made their first contribution in #2819
• @Socolin made their first contribution in #2748
• @kasperk81 made their first contribution in #2812
• @paulomorgado made their first contribution in #2905
• @zabulus made their first contribution in #2911
• @SladeThe made their first contribution in #2940
• @brianberns made their first contribution in #2986
• @waacton made their first contribution in #2987
• @jrlost made their first contribution in #3036
• @Yushu2606 made their first contribution in #2995
• @andreas-eriksson made their first contribution in #3101

Full Changelog: v3.1.6...v4.0.0