This app has been released: https://portableapps.com/apps/graphics_pictures/paintdotnet-portable
Category: Graphics and Pictures
Description: "Paint.NET is image and photo editing software for PCs that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. An active and growing online community provides friendly help, tutorials, and plugins."
License: Freeware (permission)
This release incorporates work from both eagle00789 and Peppernrino. Neither were fully portable but this one should be. This also adds cues to the platform for .NET checking. As Peppernrino is still active in the forums, they can maintain if they wish.
2022-01-10: 4.3.7 Dev Test 1 - Initial Release