ratDVD v0.6.1122 has been released, & there are several important bugfixes that people had been inquiring about. Get the updated version here if you use it.

"At our ratDVD forum, some users were complaining about playback problems so let's hope this will help them out. For those who are unfamiliar with ratDVD, it's a tool used to compress entire DVDs to single .ratDVD files, including all the menus, extras, audio, Angles etc. It is also very easy to convert the ratDVD files back to DVD."