1. When the wooden bridges are destroyed, the proximity explosives hang in mid-air.
[Linked Image from i.imgur.com]

2. Mage hand *should* be able to reach where characters might not (in this case, a book on the high shelf).
[Linked Image from i.imgur.com]

3. Some items in reach are apparently not.
[Linked Image from i.imgur.com]

4. Geometry issues/ladder climbing is buggy
[Linked Image from i.imgur.com]