If you're using v3.1.9.0, definitely take the time to upgrade; the list is massive.

"Okay, apparently developers have decided that a leap day is a nice day to release new major software versions :-) Agurably the best DVD ripper at the moment, DVD Decrypter, has been updated to a new version. The new version, DVD Decrypter v3.2.0.0 has a massive changelog and is definitely worth upgrading to a new version"