Bugo, heh, so you actually find these buttons useful, and wouldn't want to change them to a proper interactive smooth draggable column separator (like the viewport separators) ? Because that's what I'm talking about, and it's part of my wishlist. Unless there's a special reason that these stupid buttons exist, and…
pretty sure edge constraint is in there since the 2008 release. no idea how well it actually works tho, never really used it aside from quick testing. a port of the NEX toolset into maya native would be good for a start - you shouldn't have to get a commercial plugin that is not available for all platforms/releases in the…