I have been distro hopping for about 2 weeks now, there’s always something that doesn’t work. I thought I would stick with Debian and now I haven’t been able to make my printer work in it, I think I tried in another distro and it just worked out of the box, but there’s always something that’s broken in every distro.
I’m sorry I’m just venting, do you people think Ubuntu will work for me? I think I will try it next.
I wouldn’t use “certified” in this context.
Limiting support of software to specific software configurations makes sense.
Its stuff like Debian might be using Python 3.8 Ubuntu Python 3.9, OpenSuse Python 3.9, etc… Your application might use a Python 3.9 requiring library and act odd on 3.8 but fine on 3.7, etc… so only supporting X distributions let you make the test/QA process sane.
This is also why Docker/Flatpack exist since you can define all of this.
However the normal mix is RHEL/Suse/Ubuntu because those target businesses and your target market will most likely be running one.