I understand and share the frustrations of you all. There is a running beta for Delphi 11 Alexandria Update 1 (Delphi 11.1) and I'm expecting good news about this.
In the meanwhile, this temporary workaround provided by @Wierzbicki_Arkadiusz has reportedly worked for customers who tried it. I suggest you give it a try, at least you don't get stuck for now.