People understand this is why other people release betas right? To test new things? To test unfinished products? To gather early feedback?
I've been using Unity for a month or so in Maverick Meerkat (10.10) and I find it great for daily usage, in spite of it's minor glitches.
Except for critical issues, nothing will change. The things that make the most important UI unusable / annoying are not critical issues, but in fact very low priority usability issues and or missing features.