In 4.20.2, you can now change the worldgridmaterial without crashing but will only effect new projects because the old material is cached. You could clear all the Unreal Cache places and it will then fall back to the new material you set.
In 4.20.2, you can now change the worldgridmaterial without crashing but will only effect new projects because the old material is cached. You could clear all the Unreal Cache places and it will then fall back to the new material you set.