Thanks for uploading the sample - I'll look into it in the next days.

The mtl->d3deffect pointer exists also in A7, although it's not documented. Not having A8 is some sort of problem though, as we can only test and fix bugs in the current version, not in old versions. However, although the A8 renderer is different to A7, the ENABLE_VIEW event should to the same, so if there is a bug it should also happen with A8.