Probably unrelated but spookily similar so I mention it:

Not on Public branch but since it came out my reg world shows an interesting phenomena. As I approach areas I can see the rocks and trees all hovering about 15 scale feet off the ground!

I repeat ONLY observed since last PTB patch?!

And these are already explored areas I know well..?

As I get closer they drop to the ground and all is well so no impact on the game but weird as hell?