Paint.NET 2.6

- Full 64-bit support, for both x64 and Itanium systems
- New "Curves" adjustment for editing an image's color curves
- Seven new layer blend modes: Color Burn, Color Dodge, Reflect, Glow, Overlay, Negation, and Xor
- Aesthetic improvements to the entire user interface
- Better performance, especially for 64-bit systems
- Zooming, esp. with the mouse wheel, has been enhanced
- Rewritten layer composition engine is now mathematically correct, and faster
- Deployment via AD/GPO is now much easier (use /createMsi with setup package)
- User interface now works correctly in high-DPI (120dpi, 144dpi, 196dpi)
- Layers window list is no longer "upside down"
- Upgraded to use .NET Framework 2.0
- Many other improvements and fixes