It sounds like they're doing a long, public beta in realistic settings to see how the program reacts. With software this complicated, it could easily work in the shop, but when faced with real world circumstances, it could fail miserably.Originally Posted by JSPhoto
This by no means is a release candidate, which is probably what you've tested. They are usually denoted by the letters RC following the software name. While they are still Beta software, they are much more mature and bug-free than regular betas.
On another note, Adobe releasing a public beta that has bugs isn't a big deal. Microsoft releases software to production that has serious security flaws and other bugs