Beta testers receive a six month subscription and the opportunity to influence the final release.
The biggest new feature from the lab's point of view is our "DeepGuard 3" technology which utilizes cloud based reputation systems, prevalence, source, age, et cetera.
The end result is that if we don't know or trust it — it'll be blocked before it can do harm.
Here's an example screenshot that shows a "rare" file being blocked from an "unrated" site. This is a familiar malware/scareware scenario: short lived, unrated sites which use frequently produced and rare installation files.
We welcome you to give it a try. The download page includes links to the release notes and feedback forms. Cheers.