the resulting dragged object is a empty object with childrens parented to it
Empty objects can be moved/rotated/scaled, but they can’t be clicked/hovered/dragged over. They are not rendered, they are just invisible points (coordinates) with no dimensions. This won’t work and has never worked.
The when dragged over
puzzle works with groups or lists of objects this way
If you want to move the whole group then you should use the group as a target.
A combination of methods: the left button moves individually, other buttons move all at once.
https://v3d.net/a3r
Puzzles and JS coding. Fast and expensive.
If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.