I didn’t have any issues with CTDs after SU8. However, there was a small update the next day, around 250Kb, and after I installed it, the sim crashes and doesn’t even make it halfway through the loading screen. I haven’t been able to get to the main menu in a week. I have posted in the CTD forum with the event viewer information from Windows but other than a few people posting they are experiencing the same thing, there has not been any assistance or posts since the first day.
Here is the link to the other post:
CTD during startup of MSFS after update to SU8 - Bug Reports / CTDs - Microsoft Flight Simulator Forums