After 6.0 FW upgrade I get absurd stats after training with Fenix 5 Plus, Zwift and Tacx Neo, e.g. 60000 W max power or w/kg FTP of 1125 W. The W numbers during training look OK, though.
Seems to be FW bug! never had this behaviour before...
I know there are beta firmware releases. This is an unacceptable excuse. I don't want to be a beta tester.