Ah, the FPS drop to 5fps is a bug.
Vote for it here so it gets prioritized higher: https://forums.flightsimulator.com/t/after-playing-a-few-hours-fps-drops-from-40-to-5fps
Ah, the FPS drop to 5fps is a bug.
Vote for it here so it gets prioritized higher: https://forums.flightsimulator.com/t/after-playing-a-few-hours-fps-drops-from-40-to-5fps