FS2020 v1.0.9 A350-900
SiamFlight – VTBS Suvarnabhumi Airport scenery
Hi, while I was in flight (VTSP-VTBS) ATC changed my arrival rwy from the programmed ( 20L ILSZ LIBI1C arrival ) to 20R RNV LEBI1D arrival, as I reprogrammed the new one the MFD froze, the airplane was still flyable anyway.
I have tried a couple more short flights with the same attival, planned 20L and then changed while in flight, to 20R, and everytime the MFD froze, so you should be able to replicate this easily.