OK, here we go, just landed at PHTO and no buildings appear whatsoever. There are old jetways (CTRL+J) showing, but no buildings, only black baked base. CUATL is showing in the menu, a restart does not solve it, a restart with regeneration does not solve it.
It's funny also that there is an Update option which says that the simulator does not need to be reloaded - but guess what - when I try to run it just says the simulator is running and as such it can't update.
P3D latest version as of today.