It should be possible to control the mapping to display in Control Center. But maybe that requires the libwacom .tablet file.
There are also some unreleased fixes for Huion tablets in libinput. Not sure if that is relevant.
I would say it is pretty much like any other distro. Personally, I update the inputs several times a week. There is some discussion here: "How often do I update" kind of question
It is even possible to automate it but there are trade-offs between different methods: Best practices for auto-upgrades of flake-enabled NixOS systems?