Incorrect runway designations (again!) at BER (EDDB) in MSFS 2020

No idea at that point. It would be interesting to get feedback from others users to determine if it is a local issue with your installation or an issue that could impact various users. But since I cannot reproduce with my base FS2020 installation I would think it is a local one.

Yes, it is the latest live version: [Release] Aircraft & Avionics Update 3 Now Available