Wano started airing in 2019 and experienced a massive shift in art style, aspect ratio, and animation fluidity. Many archivists keep the batch as the "Perfect Classic Collection" and then download the Wano arc separately as a "Season 12+" collection to distinguish the two eras of animation.
It looks like you’re referring to a popular digital "batch" release of One Piece -AnimeRG- One Piece -Episodes 001-837- Seasons ...
(747–837): This release stops just before the climax of the fight with Charlotte Katakuri. Fandom Guide Filler List (Recommended Skips) Wano started airing in 2019 and experienced a
This article breaks down exactly what this release represents, why Episode 837 is a pivotal cut-off point, how the seasons are structured within this specific pack, and what you need to know before downloading this massive chunk of Straw Hat history. Fandom Guide Filler List (Recommended Skips) This article