Unbelievable same bug from game to game… 
It seems like some sick heritage… 
White dot curse…
There are hundreds of them from FS2020….
It’s not unbelievable, it’s the nature of complex software which is built on top of each others core/engine.
Just take a look at Windows and how many bugs carry on from generation to generation or titles like GTA (which still use the same base engine)
On MSFS 2020 they also still fixed bugs and limitations which originated in FSX or earlier versions. It’s pretty normal.