Works perfectly fine in 42 release. That GDev3 guy must be out of his mind giving it 1 star for 'breaking' dev edition and nightlies?! Plus, it looks like he's a writer not a reader. Piro posted his site address for reporting bugs, yet he posts it here. And to do this at least twice for the same ext.?!?
I use it to move groups of tabs to different windows and have no problems doing that. So, it works fine, thanks, Piro!