Squash 3 already included lots of powerful features during the early access period.
Update 8/3: Squash 3 for Mac has now left beta and has officially launched.
Version 3 was totally rewritten with Swift and includes a beautiful new UI to quickly batch resize, compress, watermark, rename images, apply effects, and much more. Realmac is out today with early access for its major update coming to Squash.
