After months of testing, weeks of writing, here is finally my new full Linux install guide: "Interim Install Guide: KDE Neon User Edition for a professional digital painter workstation":
Everything about Drawing Tablet, Color Management and Calibration/Profiling on KDE Plasma 6 Wayland, and all to survive the packaging mess with eg. built-in tutorial to revert version of Flatpak, scripts to beta-test Krita, and more!

• https://www.davidrevoy.com/article1145/interim-install-guide-kde-neon-user-edition-for-a-professional-digital-painter-workstation