This occurs in both the open beta and normal versions.
I’m not sure if it’s a bug or not, but I do think it’s something new (to me at least). When flying in airports with more complex scenery, my frame rate completely caps at 30FPS, and won’t go any higher. I’m aware that it’s normal for frame rate to drop in these environments, but previously it would only drop to about 45-50fps, whereas now its as if it’s being forced to cap at 30.
Please let me know if this is a bug, and if so how I can fix it!
Update: It happens in flight as well, but slightly differently. The fps creeps up to 60fps, hovers around there for a few seconds, then drops down to 30 again pretty quickly.
Have you tried redownloading the app? I’ve had this issue before, I just downloaded the app again and restarted my device. (also make sure your device doesn’t have any outstanding updates). Hope this helps!
Update - the issue persists after redownloading the app. I’ve noticed it occurs mainly at airports, even small ones (such as Kos where I’ve just landed). The weird thing is though this never happened at all for me right until now