xDebug is now at 3.0.1 and Local Beta is testing PHP 8 with xDebug 3.0. It’s probably time to consider updating the other PHP lightning services to use xDebug 3.x. This should now be more painless with the lightning services updater 
Working default settings for xDebug 3.x and Local can be found here, Install PHP 8
It would require updates to have xDebug 3.x listening on port 9003 for any add-ons that set these values.