Released: Apr 28, 2026

V26.4 での更新項目

機能

• Added Arabic Script ligature support.
• Improved multi-page TIFF saving correctness and performance.
• Reduced memory consumption when saving images.
• Improved image file codecs performance and correctness.

Released: Mar 25, 2026

V26.3 での更新項目

機能

• Implemented Arabic Script positional shaping.

Released: Feb 27, 2026

V26.2 での更新項目

機能

• Improved 8bpp TIFF saving performance.
• Implemented Icon operations.
• Improved LockBits conversion performance.
• Improved image file codecs correctness and performance.

不具合の修正

• Corrected geometry angle calculation.

Released: Oct 17, 2025

V25.10 での更新項目

機能

• Improved LockBits conversion correctness and performance for indexed image formats.

Released: Sep 25, 2025

V25.9 での更新項目

機能

• Increased smoothness for small paths processed by GraphicsPath.Flatten().
• Improved LockBits performance for True Color formats.
• Implemented bitmap creation from a metafile.
• Improved LockBits CMYK conversions correctness and performance.

不具合の修正

• Corrected Bitmap.SetPixel()/GetPixel() implementation for True Color formats.

Released: Jun 19, 2025

V25.6 での更新項目

機能

• Improved 'Region.Intersect' performance.

不具合の修正

• Corrected Region creation from RegionData.

Released: May 16, 2025

V25.5 での更新項目

機能

• Improved correctness of image file codecs.
• Improved LockBits performance for 'Format32bppPArgb'.

不具合の修正

• Fixed a color channel overflow in LinearGradientBrush drawing.
• Fixed creating a font with a new style from an existing font.
• Fixed image loading with only 2 colors in the palette.

Released: Feb 26, 2025

V25.2 での更新項目

機能

• Improved color operations performance.
• Improved LockBits performance for 4bpp bitmaps.
• Improved monochrome TIFF loading performance.
• Improved performance when saving indexed bitmaps.

不具合の修正

• Corrected dash cap offset on curves.
• Fixed Format32bppArgb Bitmap.SetPixel with a transparent color.

Released: Nov 20, 2024

V24.11 での更新項目

機能

• Improved the correctness of region intersections.
• Enabled loading of partially broken JPEG files.

Released: Oct 27, 2024

V24.10 での更新項目

機能

• Added support for loading variable fonts.
• Added support for saving TIFF with CCITT3 and CCITT4 compression.
• Added a check for empty points to the GraphicsPath.AddLines method.
• Improved performance of loading bitmap file information.
• Removed generated CompilerServices attributes.

不具合の修正

• Fixed IImageFormatsProvider is not set exception on systems without standard fonts.
• Fixed TIFF loading OutOfMemoryException in a .NET Framework project using the .NET Standard library.
• Fixed TypeLoadException...