As you know: the AppImage is a format for distributing portable software on Linux without needing superuser permissions to install the application. About this new release then this new Krita comes with some improvements and features:
- support for the Windows 8 event API;
- hardware-accelerated display functionality to optionally use Angle on Windows instead of native OpenGL;
- some visual glitches when using hi-dpi screens are fixed
- several new command line options;
- the performance improvements and selections are fixed;
- the system information dialog for bug reports is improved