Please grey out options like caustics, GI options etc, when they are off.
I already fooled myself a couple of times trying to figure out why it was not making the GI passes. Maybe this is because it is like that in 3dsmax. But I think it is more user friendly to grey options out when they are irrelevant.
The same goes for the lightcache filter:
when using nearest, the filtersize should be greyed out, when using fixed, interpolation samples should be greyed out. I think though that there is enough room for none, fixed and nearest with radio buttons. pulldown menus are not as accessible.
by the final release this will be fully implemented. I realize that it can fool and confuse you. Our current focus is getting all the features in and then working on the details such as that. I apologize for any irritation/frustration this may cause you and we will work to get that worked out as soon as we can. Thanks