I'm not sure it's a bug or not, but if I preview locally drag drop behavior works normally. But in arcade version drag drop works outside (diagonal) parts of th...
The lens is an object which could follow mouse position. I know effect "bulge" can somehow archive it, but it'd only apply to whole layout and the object itself...
I´m currently developing a simple Gallery where I use a mask to use a Xray like feature. The mask will reveal the content of the under layer and all is working...