May be part of the broken HLOD generation stuff…
Also, in 4, the foliage automatically generates clumps that perform better with occlusion than hism grids do.
I sort of hope they don’t do away with one of the few things in engine that worked to save some performance just to enable this settings and hlod…
Ps: is it not tied to the landscape size? The current value I mean.
Check the size of a single landscape component, and the overall.