alternative to other build systems like Make or CMake

I believe 3.0 finally moved to Python 3. Resynthesizer was also totally rewritten for 3.0, but I don’t think it’s in Python anymore (?).

what about the appimage?

Would launching it after setting up pyenv work?

I had to do a pyenv for an llm to run.

I've added some link, but i suggest you to double check everything.

That use case makes it sound like you’re looking for a vector editor, like Krita

Which version of the plugin did you install. There's a whole bunch of them when you type flatpak install gimp. The resynthesizer version that works with gimp3 flatpak is number 20 in my screenshot. The one that has the 3