After installing Build 1227 Visual Studio hangs while parsing the source. The first 98% of the parsing process is quite fast but then Visual Studio doesn't respond anymore. I waited around ten minutes and then killed the Visual Studio process. In the process explorer the CPU load of Visual Studio was 50% all the time.
The project i'm working on is a VB solution which was migrated from VB6. The file on which the parsing hangs is a large module file with around 10.000 lines of code (7.500 lines of it commented out).
I disabled R#, deleted the commented code and rebuild the solution. After this i reactivated R# and then the parsing runs without problems. Then i restored the original version of the module to see if the compilation of the solution had an effect. After doing this R# hangs while parsing the module (even after a rebuild before activating R#). So it seems to me that the mass of commented code causes the problem.
By the way: i deleted R#'s cache files each time before activating R#.