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BUG: OverflowError when fillna on DataFrame with a pd.Timestamp (#61208) #61212

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BUG: OverflowError when fillna on DataFrame with a pd.Timestamp (#61208) #61212

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BUG: OverflowError when fillna on DataFrame with a pd.Timestamp (pand…
PedroM4rques Apr 1, 2025
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BUG: OverflowError when fillna on DataFrame with a pd.Timestamp (#61208)
PedroM4rques Apr 2, 2025
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1 change: 1 addition & 0 deletions doc/source/whatsnew/v3.0.0.rst
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Expand Up @@ -648,6 +648,7 @@ Datetimelike
- Bug in :func:`date_range` where using a negative frequency value would not include all points between the start and end values (:issue:`56147`)
- Bug in :func:`tseries.api.guess_datetime_format` would fail to infer time format when "%Y" == "%H%M" (:issue:`57452`)
- Bug in :func:`tseries.frequencies.to_offset` would fail to parse frequency strings starting with "LWOM" (:issue:`59218`)
- Bug in :meth:`DataFrame.fillna` raising an ``AssertionError`` instead of ``OutOfBoundsDatetime`` when filling a ``datetime64[ns]`` column with an out-of-bounds timestamp (e.g., ``'0001-01-01'``). Now correctly raises ``OutOfBoundsDatetime``. (:issue:`61208`)
- Bug in :meth:`DataFrame.min` and :meth:`DataFrame.max` casting ``datetime64`` and ``timedelta64`` columns to ``float64`` and losing precision (:issue:`60850`)
- Bug in :meth:`Dataframe.agg` with df with missing values resulting in IndexError (:issue:`58810`)
- Bug in :meth:`DatetimeIndex.is_year_start` and :meth:`DatetimeIndex.is_quarter_start` does not raise on Custom business days frequencies bigger then "1C" (:issue:`58664`)
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