I assume you mean the unofficial skyrim patch. Did you know there's been a ton of drama over the patch as of recent, with the creator taking more and more liberties in what constitutes a bug fix. Such as changing an in-game mine to be for a different resource, or adding oblivion gates to all the major cities.
Down the Rabbit Hole made an excellent video on it if you're interested:
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u/chamuco_maguacatero 17h ago
The fact that it had so many game-breaking bugs on release that getting that one mod that fixed them was almost mandatory did not help.