I've just run into the first invisible obstacle ("invisible tree") on the Prokhorovka map. It was in a typical location, at the edge of a forest.
I won't waste any breath explaining what those are, everyone who drives tank knows about them. I refuse to believe the devs don't know about them.
One of more widely believed guesses of the cause of those invisible trees had been that they were artifacts of the low res, not-made-for-tanking maps we were using so far.
This is out of the w