Paint.NET is image and photo manipulation software designed to be used on computers that run Windows. It supports layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. It started development as an undergraduate college senior design project mentored by Microsoft, and is currently being maintained by some of the alumni that originally worked on it. Originally intended as a free replacement for the MS Paint software that comes with Windows, it has grown into a powerful yet simple tool for photo and image editing. The programming language used to create Paint.NET is C#, with a small amount of C++ for installation and shell-integration related functionality.
- Performance in many areas has been substantially improved, and overall memory usage has also been greatly reduced (especially when more than 1 image is open).
- The user interface has been refreshed with new icons, and visual styling has been enhanced for Aero Glass (Windows 7 / Vista only).
- Upgraded to use the latest .NET Framework 3.5 SP1, which has many built-in performance improvements.
- New effect: Blurs -> Surface Blur, by Ed Harvey
- New effect: Distort -> Dents, by Ed Harvey
- New effect: Distort -> Crystalize, by Ed Harvey
- The font manager for the Text Tool has been completely rewritten, resulting in increased performance and better reliability. On Windows 7, the quality of text is much better as a result of using DirectWrite (this also works on Windows Vista if you have installed DirectX 11).
- The built-in updater now has the ability to download updates in the background, and will wait until you exit Paint.NET to install them. In previous versions, the download happened in the foreground, and you had to wait for the entire process to complete before you could use Paint.NET again.
- Now includes a Russian translation.
- Improved: Image -> Rotate should now complete almost instantly (thanks @Bruce Bowyer-Smyth!)
- Improved: Optimized a portion of the rendering engine for newer CPU instruction sets (SSE2, SSSE3, AVX2). Depending on zoom level, CPU type, and other factors, rendering throughput has been improved by 10-50%.
- Improved: Some performance optimizations for code that uses the indexers on the Surface class, which should improve effect plugin performance (thanks @Bruce Bowyer-Smyth!)
- Fixed: Shortcut keys for the Adjustments menu weren’t working until after you opened the menu for the first time
- Fixed: Canvas checkerboard, used to indicate transparent regions of the image, now scales with DPI
- Fixed some of the more rare cases of the SEHException/AccessViolationException crash caused by Direct2D
- Fixed: A bug in IndirectUI was resulting in a crash when using @BoltBait‘s Level Horizon plugin
- Fixed: Per-user fonts no longer cause a crash for the Store version
- New: The paintdotnet: protocol now works for the Classic version
- Fixed: The paintdotnet: protocol should now work properly with paths that have spaces in them
- Fixed: Hardened security for loading Custom Shape plugins via XAML (thanks @Bruce Bowyer-Smyth!)
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