I just updated from 0.2-beta to 0.2 stable and ran into a strange TLS problem in RoundCube. Luckily I was able to solve that, and I wrote a little entry to my blog about it.
Kaijanen.net / Tuomas RoundCube mail, Openssl and IIS7 (http://www.kaijanen.net/tuomas/blog/?p=56)