K Long story short:
Piranha–Bytes developed Gothic 1-3 but with 3, JoWooD owned the IP and pushed Piranha for an early release. The game was/is a bugfest so full of holes that it was not worth the name.
JoWood, still own the IP and could not care about fixing Gothic 3. (IP soon to default back to original developers) Jowood went on and created Gothic 3: Forsaken Gods with Trine Studios. They also released ArcaniA(Gothic 4) using Spellbound Studios. Both where no where close to the original 2.
Piranha–Bytes on the other hand could not officially fix Gothic 3 as they had no rights to the IP. So some of the developers helped the community. So technically you can say Community patch was made by civilians with the help from original developers. Piranha–Bytes also went on to make Risen and Risen 2, both's story will be weaved back into Gothic universe once the IP has returned.
Hope this help you understand why you need patches also where the games lie in the timeline.




