https://issuetracker.unity3d.com/issues/billboard-massplacetrees-billboards-are-cut-after-mass-placing-more-than-10k-trees-on-terrain
Unity Issue Tracker - [Billboard][MassPlaceTrees] Billboards are cut after mass placing more than...
Steps to repro: 1. Open Unity;2. Create new project;3. Import attached package;4. Open 'testBillboards' scene;5. Select Terrain game...