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Pandas. A tool for organizing, cleaning, and analyzing spreadsheet-like data.
pandas.pydata.org
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Updates
July 2026
- PERF: free read_csv parser buffers without the GIL on close (#66272)
- PERF: skip Period-object round-trip when plotting PeriodIndex (#65280)
- BUG: HDFStore.select tz data-column filter + cryptic KeyError on coor…
- BUG: array_equivalent wrong on native complex with NaN component (GH#…
- ENH: Don't unbox object dtype with future.python_scalars (#66307)
- ENH: align timedelta fractional seconds in string repr (#57188) (#65212)
- DOC: Include `AbstractHolidayCalendar`, `Holiday`, and `JsonReader` i…
- BUG: Fix cummax/cummin on floating ArrowDtype returning sentinel valu…
- BLD: exclude numpy 2.5.0 when building wheels (py3.14 segfault) (#66090)
- BUG: read_csv(engine="pyarrow") apply scalar dtype to index_col (#66063)
- BUG: read_csv(engine="pyarrow") tuple names do not produce MultiIndex…
- BUG: read_csv(engine="pyarrow") cryptic errors for invalid single-cha…
- BUG: read_csv(engine="pyarrow") ignores names passed with an integer …
- BUG: DataFrame.from_dict scalar-values error message pointed to a non…
- BUG: fix undefined behavior flagged by UBSAN (#65831)
- Bump github/codeql-action/analyze from 4.36.3 to 4.37.0 (#66313)
- Bump github/codeql-action/autobuild from 4.36.3 to 4.37.0 (#66314)
- Bump github/codeql-action/init from 4.36.2 to 4.37.0 (#66315)
- Bump actions/stale from 10.3.0 to 10.4.0 (#66316)
- TST: read_excel with duplicate MultiIndex columns (GH#19395) (#66309)
June 2026
- Release —pandas 3.0.4
May 2026
- Release —pandas 3.0.3
March 2026
- Release —pandas 3.0.2
February 2026
- Release —pandas 3.0.1
January 2026
- Release —pandas 3.0.0
- Release —Pandas 3.0.0rc2
December 2025
- Release —Pandas 3.0.0rc1
- Release —Pandas 3.0.0rc0
September 2025
- Release —Pandas 2.3.3
August 2025
- Release —Pandas 2.3.2