ROOT's python compatibility: [Failed to import libcppyy3_10. Please check that ROOT has been built for Python 3.10]

[Wile_E_Coyote]

I guess it’s a question to @Axel why some “official” ROOT binary distribution uses some specific Python version.

You can build your own ROOT binaries (with your own version of Python).

In any case, do remember that …

Python: No module named 'root'

You MUST use EXACTLY the same Python version (and the same compiler) that your ROOT binaries were built for (otherwise, expect mysterious crashes anywhere, anytime): root-config --python-version # C/C++ calling python ; root-config --python2-version # python 2 calling C/C++ ; root-config --python3-version # python 3 calling C/C++ ; BTW. Remember to “source /the/location/of/ROOT/bin/thisroot.sh” to add your ROOT executables and libraries to your environment (when ROOT is not installed in some “…