BUG / CoW: Series.transform not respecting CoW #53747
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jorisvandenbossche
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Daquisu
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No objection here - mainly because the fix is so simple. But in general we don't support UDFs that mutate the object: If we want to revisit this then I'm certainly open, but otherwise I don't think we should go out of our way to support this anti-pattern. |
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.Could think about back porting, but I wouldn't do it at this point