This tool is now ready. I've released version 3.0 and will have minor updates with further fixes soon.
If you'd like help migrating:
we are so confused.
Which version should I install?
@serdo21: Try this version or wait a few days to see if @Bleistivt makes the core work with PHP 8.0.
Found this on GitHub for info:-
Unfortunately doesn't seem like it! :(
Have managed to get 2021.009 working under PHP 8.1 😁