Version 3.3 of the popular Mac image editor Acorn is out, and developer Gus Mueller writes up the biggest changes on his blog. The Retina Canvas is likely the coolest update: If you're using Acorn, you can now see any art you create at a 1:1 ratio on a Retina Display. So if you have a MacBook Pro with Retina Display and Acorn, you can now see your own work perfectly clearly. All of the other elements have been updated for the new display as well.
The update also includes the option to trim a certain selection out of a picture, redo a selection if you lose it for any reason, and the Smart Export feature as well (which w
