Ok here is what i think is a bug. I am sure the red flashing light on the F15 used to reflect onto the missles but now it does not?
f15 light reflection by christopher deacon, on Flickr
Second is the Altitude gauge numbers do not all light up?
f15 cockpit light issue by christopher deacon, on Flickr
This is the current 1.5.1.46722.87 version.
Hope this helps?