There have been many important new features (ubershaders for example) and many bug fixes since 5.0. Also, users on the forums keep reporting issues that could have been avoided just by using a newer version (notably Wii Remotes and System Menu stuff).
There have been many important new features (ubershaders for example) and many bug fixes since 5.0. Also, users on the forums keep reporting issues that could have been avoided just by using a newer version (notably Wii Remotes and System Menu stuff).