Hierarchical Instanced Static Mesh components that contain no foliage are disappearing when ShowFlag.InstancedFoliage 0 is used. This was reported and tested in 4.24.3 (CL-11590370) and reproduced ...
Material functions have the option to be converted to a parameter but do not convert to a parameter. For example, create a MakeFloat3 or MakeFloat2 node > convert to parameter. ...