it's a step on the right direction, but the new law still leaves the door wide open, if not even encourages, discrimination. Basically the only thing that gets easier is to change what your ID Card says.
It even states that for example owners of bath-houses can still kick out customers who don't use the spaces of their biological gender.
Here is a Petition (in German) to demand further changes to the Law, also detailing more why the proposal is lacking. https://innn.it/jazuselbstbestimmung