Z-fighting on Distant Terrain
Depth precision in OSG (and hence OpenMW) seems to be even more limited than vanilla Morrowind, leading to Z-fighting being observed at virtually any distance greater than the default range, and occasionally even less. Briefly touched upon by @chriskcat in an unrelated PR (https://github.com/OpenMW/openmw/pull/2166#issuecomment-478125456) with a possible solution (https://outerra.blogspot.com/2012/11/maximizing-depth-buffer-range-and.html)