1. The article discusses the canonicity of the One Piece film "Strong World" and whether it is considered part of the main One Piece storyline. It states that the film was originally intended to be canon, but Eiichiro Oda, the creator of One Piece, later clarified that it is not officially part of the main canon. This was revealed in a recent SBS (Q&A) session.

2. The article explains that the reason "Strong World" is not considered canon is because Oda wanted to maintain the integrity of the main storyline and avoid any potential contradictions or complications that could arise from incorporating the film's events. He wanted to ensure that the core narrative of One Piece remained unaffected by the events of the film.

3. The article also mentions that despite "Strong World" not being canon, it is still considered a high-quality and well-received One Piece film that expands the world and provides an entertaining story for fans. The article suggests that while the film may not be officially part of the main canon, it can still be enjoyed by One Piece enthusiasts as a standalone narrative within the broader One Piece universe.