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dependabot · 2026-09-14T10:15:56Z

Updated SixLabors.ImageSharp from 3.1.12 to 4.1.2.

Release notes

Sourced from SixLabors.ImageSharp's releases.

4.1.2 What's Changed

Harden codec and metadata input validation by @JimBobSquarePants in Harden codec and metadata input validation SixLabors/ImageSharp#3187
Fix TIFF decoding of legacy 8-bit color maps by @JimBobSquarePants in Fix TIFF decoding of legacy 8-bit color maps SixLabors/ImageSharp#3189

Full Changelog: SixLabors/ImageSharp@v4.1.1...v4.1.2

4.1.1 What's Changed

Fix CCITT decompressor bounds checks and error handling by @JimBobSquarePants in Fix CCITT decompressor bounds checks and error handling SixLabors/ImageSharp#3176

Full Changelog: SixLabors/ImageSharp@v4.1.0...v4.1.1

4.1.0 What's Changed

GIF: background handling & quantizer overflow fix by @JimBobSquarePants in GIF: background handling & quantizer overflow fix SixLabors/ImageSharp#3133
Validate PBM max pixel value by @JimBobSquarePants in Validate PBM max pixel value SixLabors/ImageSharp#3134
Add support for Apple CgBI PNG images by @Erik-White in Add support for Apple CgBI PNG images SixLabors/ImageSharp#3136
Fix GIF transparency handling and dither by @JimBobSquarePants in Fix GIF transparency handling and dither SixLabors/ImageSharp#3143
Bump codecov/codecov-action from 6 to 7 by @dependabot[bot] in Bump codecov/codecov-action from 6 to 7 SixLabors/ImageSharp#3141
Add BlendWithCoverage overloads. Optimize Rgba32 compatible shuffling. by @JimBobSquarePants in Add BlendWithCoverage overloads. Optimize Rgba32 compatible shuffling. SixLabors/ImageSharp#3150
Bump actions/checkout from 6 to 7 by @dependabot[bot] in Bump actions/checkout from 6 to 7 SixLabors/ImageSharp#3146
Bump actions/cache from 5 to 6 by @dependabot[bot] in Bump actions/cache from 5 to 6 SixLabors/ImageSharp#3149
Fix convolution sampling for bounds smaller than the kernel radius by @JimBobSquarePants in Fix convolution sampling for bounds smaller than the kernel radius SixLabors/ImageSharp#3152
Enhance pixel formats and associated-alpha operations with optimizations by @JimBobSquarePants in Enhance pixel formats and associated-alpha operations with optimizations SixLabors/ImageSharp#3154
Bump actions/setup-dotnet from 5 to 6 by @dependabot[bot] in Bump actions/setup-dotnet from 5 to 6 SixLabors/ImageSharp#3155
Fix degeneracy check for resize transforms by @JimBobSquarePants in Fix degeneracy check for resize transforms SixLabors/ImageSharp#3157
Improvements to Apple CgBI PNG handling by @Erik-White in Improvements to Apple CgBI PNG handling SixLabors/ImageSharp#3137
Clone TIFF profiles into image metadata by @JimBobSquarePants in Clone TIFF profiles into image metadata SixLabors/ImageSharp#3159
Add AOT compiler seeds for pixel formats and ICO, CUR, QOI codecs by @JimBobSquarePants in Add AOT compiler seeds for pixel formats and ICO, CUR, QOI codecs SixLabors/ImageSharp#3160
Normalize SIMD pipelines using TensorPrimitives_ by @JimBobSquarePants in Normalize SIMD pipelines using TensorPrimitives_ SixLabors/ImageSharp#3161
Add ANI decoder support by @Poker-sang in Add ANI decoder support SixLabors/ImageSharp#2899
Remove AntialiasThreshold from GraphicsOptions by @JimBobSquarePants in Remove AntialiasThreshold from GraphicsOptions SixLabors/ImageSharp#3162
Add plus and extended pixel blend modes by @JimBobSquarePants in Add plus and extended pixel blend modes SixLabors/ImageSharp#3163
Fix 16-bit binary PBM sample byte order by @JimBobSquarePants in Fix 16-bit binary PBM sample byte order SixLabors/ImageSharp#3164
Make MemoryAllocator limits configurable and extensible by @JimBobSquarePants in Make MemoryAllocator limits configurable and extensible SixLabors/ImageSharp#3165

New Contributors

@Erik-White made their first contribution in Add support for Apple CgBI PNG images SixLabors/ImageSharp#3136

Full Changelog: SixLabors/ImageSharp@v4.0.0...v4.1.0

4.0.0 What's Changed

Update to net8 by @stefannikolei in Update to net8 SixLabors/ImageSharp#2583
Handle dedup of local palette of 256 length - Main by @JimBobSquarePants in Handle dedup of local palette of 256 length - Main SixLabors/ImageSharp#2607
Replace custom Crc32 by @JimBobSquarePants in Replace custom Crc32 SixLabors/ImageSharp#2611
Sync 3.1 DrawImage fixes by @tocsoft in Sync 3.1 DrawImage fixes SixLabors/ImageSharp#2612
Fix handling gif encoding for global palettes - Main by @JimBobSquarePants in Fix handling gif encoding for global palettes - Main SixLabors/ImageSharp#2615
Bump actions/setup-dotnet from 3 to 4 by @dependabot[bot] in Bump actions/setup-dotnet from 3 to 4 SixLabors/ImageSharp#2613
Adjusted the casing of the Webp format name by @jscarle in Adjusted the casing of the Webp format name SixLabors/ImageSharp#2623
Fix Paeth Filter decode on platforms that do not support Ssse3 - Main by @JimBobSquarePants in Fix Paeth Filter decode on platforms that do not support Ssse3 - Main SixLabors/ImageSharp#2620
Fix WebP animation speed bug by @marklagendijk in Fix WebP animation speed bug SixLabors/ImageSharp#2624
Promote PixelTypeInfo to Pixel by @stefannikolei in Promote PixelTypeInfo to Pixel SixLabors/ImageSharp#2601
TGA: Treat 32 bit True Color images always as transparent by @brianpopow in TGA: Treat 32 bit True Color images always as transparent SixLabors/ImageSharp#2643
Modernize and optimize pixel format operations across platforms. by @JimBobSquarePants in Modernize and optimize pixel format operations across platforms. SixLabors/ImageSharp#2645
Cleanup SimdUtils by @JimBobSquarePants in Cleanup SimdUtils SixLabors/ImageSharp#2654
Bump actions/cache from 3 to 4 by @dependabot[bot] in Bump actions/cache from 3 to 4 SixLabors/ImageSharp#2648
Bump codecov/codecov-action from 3 to 4 by @dependabot[bot] in Bump codecov/codecov-action from 3 to 4 SixLabors/ImageSharp#2657
Bump NuGet/setup-nuget from 1 to 2 by @dependabot[bot] in Bump NuGet/setup-nuget from 1 to 2 SixLabors/ImageSharp#2658
Add v3.1.x fixes #2673 and #2674 into main. by @JimBobSquarePants in Add v3.1.x fixes #2673 and #2674 into main. SixLabors/ImageSharp#2675
Add fixes 2668, 2676, and 2677 to main by @JimBobSquarePants in Add fixes 2668, 2676, and 2677 to main SixLabors/ImageSharp#2678
Merge 2681 to v4 Main by @JimBobSquarePants in Merge 2681 to v4 Main SixLabors/ImageSharp#2690
Add JPEG COM marker support by @RobertMut in Add JPEG COM marker support SixLabors/ImageSharp#2641
Bump actions/upload-artifact from 3 to 4 by @dependabot[bot] in Bump actions/upload-artifact from 3 to 4 SixLabors/ImageSharp#2625
Only exit JPEG scan decoding after multiple EOF hits by @JimBobSquarePants in Only exit JPEG scan decoding after multiple EOF hits SixLabors/ImageSharp#2701
V4 Ensure VP8X alpha flag is updated correctly. by @JimBobSquarePants in V4 Ensure VP8X alpha flag is updated correctly. SixLabors/ImageSharp#2703
Fix animated png handling (issue #2708) by @SpaceCheetah in Fix animated png handling (issue #2708) SixLabors/ImageSharp#2710
Merge latest release from v3 by @JimBobSquarePants in Merge latest release from v3 SixLabors/ImageSharp#2720
Fix MacOS jobs by @antonfirsov in Fix MacOS jobs SixLabors/ImageSharp#2728
Fix async-over-sync issue in Image.DecodeAsync() by @kroymann in Fix async-over-sync issue in Image.DecodeAsync() SixLabors/ImageSharp#2725
Fix overflow in MemoryAllocator.Create(options) by @antonfirsov in Fix overflow in MemoryAllocator.Create(options) SixLabors/ImageSharp#2730
GifDecoder: Limit lzw bits to a maximum of 12 bits by @brianpopow in GifDecoder: Limit lzw bits to a maximum of 12 bits SixLabors/ImageSharp#2744
GifDecoder : Allow skipping bad metadata using identify by @JimBobSquarePants in GifDecoder : Allow skipping bad metadata using identify SixLabors/ImageSharp#2749
Add ICO and CUR file decoder. by @frg2089 in Add ICO and CUR file decoder. SixLabors/ImageSharp#2579
v4 - Fix off-by-one error when centering a transform. by @JimBobSquarePants in v4 - Fix off-by-one error when centering a transform. SixLabors/ImageSharp#2761
v4 Fix 2758 by @JimBobSquarePants in v4 Fix 2758 SixLabors/ImageSharp#2764
Simplify Color Space Conversion APIs by @JimBobSquarePants in Simplify Color Space Conversion APIs SixLabors/ImageSharp#2739
Webp: Fix Issue 2763 by @brianpopow in Webp: Fix Issue 2763 SixLabors/ImageSharp#2767
V4 Correctly break during Png decoding by @JimBobSquarePants in V4 Correctly break during Png decoding SixLabors/ImageSharp#2773
V4 : Fix filtering on PNG encode. by @JimBobSquarePants in V4 : Fix filtering on PNG encode. SixLabors/ImageSharp#2778
Fix #2779 buffer overrun by @KirillAldashkin in Fix #2779 buffer overrun SixLabors/ImageSharp#2780
Fix ImageMetadata docs typo by @lofcz in Fix ImageMetadata docs typo SixLabors/ImageSharp#2781
Add API for metadata conversion between formats. by @JimBobSquarePants in Add API for metadata conversion between formats. SixLabors/ImageSharp#2751
Tiff decoder: Fix issue 2679 by @brianpopow in Tiff decoder: Fix issue 2679 SixLabors/ImageSharp#2789
Replace PngCrcChunkHandling by @JimBobSquarePants in Replace PngCrcChunkHandling SixLabors/ImageSharp#2786
Add tagname to debugger visualization for Exif- and Iptc-values, to facilitate easier debugging and discovery by @lassevk in Add tagname to debugger visualization for Exif- and Iptc-values, to facilitate easier debugging and discovery SixLabors/ImageSharp#2787
V4 - Correctly handle transform spaces when building transform matrices. by @JimBobSquarePants in V4 - Correctly handle transform spaces when building transform matrices. SixLabors/ImageSharp#2795
Allow decoding Tiff of different frame size. by @JimBobSquarePants in Allow decoding Tiff of different frame size. SixLabors/ImageSharp#2788
Add progressive JPEG encoder by @ardabada in Add progressive JPEG encoder SixLabors/ImageSharp#2740
Fix using dither in BmpEncoder when bit per pixel is <= 4 by @mistoll in Fix using dither in BmpEncoder when bit per pixel is <= 4 SixLabors/ImageSharp#2819
Add QuadDistortion to ProjectiveTransformBuilder by @Socolin in Add QuadDistortion to ProjectiveTransformBuilder SixLabors/ImageSharp#2748
WEBP : Use Correct Width With AlphaDecoder by @JimBobSquarePants in WEBP : Use Correct Width With AlphaDecoder SixLabors/ImageSharp#2823
... (truncated)

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--- updated-dependencies: - dependency-name: SixLabors.ImageSharp dependency-version: 4.1.2 dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>

dependabot · 2026-09-14T10:36:00Z

Bump SixLabors.ImageSharp from 3.1.12 to 4.1.2

aae24a9

--- updated-dependencies: - dependency-name: SixLabors.ImageSharp dependency-version: 4.1.2 dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>

dependabot Bot added .NET Pull requests that update .NET code dependencies Pull requests that update a dependency file labels Sep 14, 2026

dependabot Bot mentioned this pull request Sep 14, 2026

Bump SixLabors.ImageSharp from 3.1.12 to 4.1.1 #446

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Bump SixLabors.ImageSharp from 3.1.12 to 4.1.2 - #455

Bump SixLabors.ImageSharp from 3.1.12 to 4.1.2#455
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