Question about Being Basis BT - 423642

There is an energy efficiency regulation and declaration that was valid until 2020.
There is an energy efficiency regulation and declaration that is valid from 2021.

Since some changes have been made to the meaning of the individual classes, some have been deleted completely (everything with a +) and the classifications have changed, one could now get the impression that appliances have become

massively worse. But this is not the case.

www.heise.de/news/Neues-Energieeffizienzlabel-fuer-Displays-...
www.melectronics.ch/de/cp/neue_energielabels