For what it's worth, nothing is broken by this release. All core and contrib modules work fine, because uc_currency_format() hasn't gone anywhere. Contrib modules might not have added functionality, but they certainly don't have less. The new price handler is basically a wrapper around that function that is a little more elegant than just making that into a theme function. Release candidate ahoy!
In other words, with our testing over the last couple of weeks, we feel comfortable enough putting this out there as a 2.0 release but are obviously still dependent on feedback to make sure it's good to go. The patch that was put in was a work in progress for over a month on d.o, and we did as much as we possible could have to put people's eyes on it. I'm not sure calling this a beta and asking one more time for people to look into the price handler would've generated any significant further feedback than we'd been getting. When it came down to it, Lyle and I just had to spend two long hackathons making sure it was good to go. Now we'll see if it's good enough to be a 2.0. I promise we wouldn't have called it a release candidate if we didn't think it could handle the scrutiny. 
So, semantics about releases aside, post up those issues and we'll continue to address them as always.
