I have updated windows, nvidia gpu drivers and war thunder two days ago and now when I launch the game it looks like it fails to recognize it as a 3d application as it should.
At first, my system doesnt boost as if it was a desktop 2d app. I have to minimize the window and switch back and forth from the app to the desktop a few times until it eventually locks in boost properly.
I am wondering which one of the updates is the cause. (And praying for not being hardware related!)
Edit : confirmed, latest nvidia gpu drivers are causing the issue. The problem is gone after rolling back the drivers.
I leave this here so in case anyone else is facing the issue, it might help.