It depends how you define "glitch." I think of a glitch as something overlooked by the game's creators, which has a significant impact on your gameplay: i.e. either ruins your game or gives you an opportunity that they didn't plan for you to have. In this case, the only glitch that still remains in Hammerfest is what comes after PD6, and even this might have been intentional.

The next poster disagrees with my definition.