I’m very happy with the new feature of being able to move symbols around between libraries. I ran into a bug though in Mockups for Drive (not sure if it’s specific for the drive version). I’m running OSX 10.10.2 and running Balsamiq in chrome Version 44.0.2403.157.
It’s quite hard to drag a symbol from one library to the top one. I only get a ‘drop’-option when hovering over the library-name that is below the top one. Hard, but doable.
Now, when dragging an item from the top library to another and than deciding it was the wrong choice and trying to put is back seems impossible. The only workaround I found was to rename the top library, so it moves down the order of libraries. It then is accessible again for the symbol to move to.
It not a showstopper, but definitely a bug.