Objects like trees/tents/pavillions no longer properly unload since Patch 0.4.0d

Since the last patch (the patch that updated a lot of textures), a lot of objects no longer properly unload/fade when you step behind/ below them. Following objects are affected:
Trees on the map azmerian ranges
Trees in Vaal city
the Big huts/pavillions on mire
Any of the trees that got added in act 4 (Big leafy trees with red flowers)

Because these objects no longer properly unload, these and more maps have turned into giant deathtraps. PLEASE FIX THIS!
Bug Report ID: #1474660658