1 Release published by 1 person

• v2.3.2 Pandas 2.3.2

  published Aug 21, 2025

17 Pull requests merged by 8 people

• ENH: Introduce pandas.col

  #62103 merged Aug 22, 2025

• REF: get rid of ArrowStringArrayNumpySemantics

  #62165 merged Aug 22, 2025

• REF: remove unnecessary case from maybe_downcast_to_dtype

  #62166 merged Aug 22, 2025

• ENH: Rename DataFrame._append to _append_internal

  #62137 merged Aug 21, 2025

• REF: remove unnecessary string mixins

  #62155 merged Aug 21, 2025

• REF: avoid inferred_type checks in plotting

  #62160 merged Aug 21, 2025

• Backport PR #62152 on branch 2.3.x (DOC: prepare 2.3.2 whatsnew notes for release)

  #62163 merged Aug 21, 2025

• DOC: prepare 2.3.2 whatsnew notes for release

  #62152 merged Aug 21, 2025

• [backport 2.3.x] DOC: move and reword whatsnew note for replace fix (GH-57865) (#62153)

  #62156 merged Aug 21, 2025

• DOC: Show constructor arguments for some classes in pd.series.offsets

  #61605 merged Aug 20, 2025

• DOC: move and reword whatsnew note for replace fix (GH-57865)

  #62153 merged Aug 20, 2025

• ENH: EA._cast_pointwise_result

  #62105 merged Aug 20, 2025

• Backport PR #62147 on branch 2.3.x (DOC: correct and rewrite string migration section on astype(str))

  #62151 merged Aug 20, 2025

• DOC: correct and rewrite string migration section on astype(str)

  #62147 merged Aug 20, 2025

• [backport 2.3.x] BUG/DEPR: logical operation with bool and string (#61995)

  #62114 merged Aug 19, 2025

• DOC: Updated shift docstring to mark Series behavior

  #62133 merged Aug 18, 2025

• DOC: Improve consistency in terminology and fix minor typos in documentation

  #62091 merged Aug 18, 2025

13 Pull requests opened by 11 people

• Resolved issue 62094

  #62130 opened Aug 16, 2025

• ENH: Enable destination aware scope for dataset attributes metadata propagation copy routines

  #62131 opened Aug 16, 2025

• BUG: Fix groupby.apply() dropping _metadata from subclassed DataFrame

  #62135 opened Aug 18, 2025

• DOC: Deprecate empty string defaults in DataFrame.join suffixes

  #62136 opened Aug 18, 2025

• BUG: Preserve day freq on DatetimeIndex subtraction

  #62138 opened Aug 18, 2025

• BUG: Fix to_csv microsecond inconsistency (#62111)

  #62139 opened Aug 18, 2025

• DEPR: Categorical with values not present in categories

  #62142 opened Aug 18, 2025

• DOC: Clarify is_scalar docstring to specify scalar vs non-scalar and add Enum example (GH#62063)

  #62143 opened Aug 19, 2025

• fix enum typing from _lib

  #62145 opened Aug 19, 2025

• REF: get rid of StringArrayNumpySemantics

  #62149 opened Aug 19, 2025

• DEPR: .str accessor with object dtype

  #62159 opened Aug 20, 2025

• CLN: Replace warnings with Pandas4Warning

  #62162 opened Aug 21, 2025

• DOC: update the description for the 'docker build' command

  #62172 opened Aug 22, 2025

16 Issues closed by 5 people

• RLS: 2.3.2

  #62148 closed Aug 22, 2025

• 1911902583

  #62167 closed Aug 22, 2025

• >>> import warnings >>> warnings.filterwarnings("ignore", "\nPyarrow", DeprecationWarning) >>> import pandas

  #62168 closed Aug 22, 2025

• ENH: Rename internal `DataFrame._append()`

  #57936 closed Aug 21, 2025

• REF/API/DEPR: _holds_integer checks in plotting

  #55897 closed Aug 21, 2025

• ENH: Add support to read and write Amazon ION files

  #55725 closed Aug 20, 2025

• REF: make _cast_pointwise_result an EA method

  #59895 closed Aug 20, 2025

• DOC: Point out difference in usage of "str" dtype in constructor and astype member

  #61992 closed Aug 20, 2025

• BUG: type error in `df.attrs.update()`

  #62140 closed Aug 18, 2025

• DOC: shift argument in `Series.shift()` is not used

  #61955 closed Aug 18, 2025

• BUG: Resampling a Series with a DST to 24 hours gives a different result depending on whether timedelta(hours=24) or "24H" was used.

  #35248 closed Aug 18, 2025

• ENH: preview_csv(***.csv) for Fast First-N-Line Preview on Large Plus Size (>100GB)

  #61281 closed Aug 18, 2025

• BUG: DataFrame.update() raises FutureWarning due to the use of 'where' method

  #57124 closed Aug 18, 2025

• `Documentation Improvement: Clarify setup steps and troubleshooting in CONTRIBUTING.md`

  #62107 closed Aug 16, 2025

• PERF: Importing pandas_parser lib takes 50MB of memory

  #62119 closed Aug 16, 2025

• BUG (2.0rc0): groupby apply with a UDF changes dtype unexpectedly from double[pyarrow] to float64

  #51991 closed Aug 15, 2025

12 Issues opened by 9 people

• BUG: Index.get_level_values() does not handle boolean, pd.NA, np.nan, or pd.NaT `level` correctly

  #62169 opened Aug 21, 2025

• REF: use _cast_pointwise_result in map

  #62164 opened Aug 21, 2025

• DOC: date_range/timedelta_range confusing 3 out of 4 arguments note

  #62161 opened Aug 20, 2025

• API: indexing dates-with-datetime64

  #62158 opened Aug 20, 2025

• BUG/API: comparison datetime64-vs-dates

  #62157 opened Aug 20, 2025

• BUG: resampling with origin=end_date includes extra elements in the bucket

  #62154 opened Aug 20, 2025

• BUG: Inconsistent behaviour when merging reset-ed MultiIndex dataframe

  #62150 opened Aug 20, 2025

• BUG: Fails to Build on Raspberry Pi 3 (tested both 2.1.4, 2.3.1 and main Branch)

  #62146 opened Aug 19, 2025

• BUG / API: setitem on pandas object fails if underlying numpy array is read-only

  #62144 opened Aug 19, 2025

• ENH: Consistent `name` property for the iterates in `DataFrameGroupBy`

  #62141 opened Aug 18, 2025

• BUG: groupby.apply() drops _metadata from subclassed DataFrame

  #62134 opened Aug 17, 2025

• REF/API: Move ArrowDtype(pa.foo_string()) into StringDtype(...)

  #62129 opened Aug 16, 2025

91 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• BUG: Fix all-NaT when ArrowEA.astype to categorical

  #62055 commented on Aug 18, 2025 • 15 new comments

• BUG: Dataframe arithmatic operators don't work with Series using fill_value

  #61828 commented on Aug 22, 2025 • 11 new comments

• BUG/TST: added TypeError if object dtypes are detected in dataframe

  #61682 commented on Aug 17, 2025 • 4 new comments

• BUG: Preserve day freq on DatetimeIndex subtraction

  #62096 commented on Aug 20, 2025 • 4 new comments

• BUG: creating Categorical from pandas Index/Series with "object" dtype infers string

  #62080 commented on Aug 20, 2025 • 4 new comments

• Switch default string storage from python to pyarrow (if installed) also for NA-variant of the StringDtype

  #62118 commented on Aug 16, 2025 • 3 new comments

• API: timestamp resolution inference: default to microseconds when possible

  #62031 commented on Aug 15, 2025 • 3 new comments

• Fix #60766:.map,.apply would convert element type for extension array

  #61396 commented on Aug 20, 2025 • 3 new comments

• CoW: add readonly flag to ExtensionArrays, return read-only EA/ndarray in .array/EA.to_numpy()

  #61925 commented on Aug 19, 2025 • 2 new comments

• BUG: Fix inconsistency with DateOffset near DST

  #61870 commented on Aug 21, 2025 • 1 new comment

• DOC: Add docstring for asarray_tuplesafe in common.py

  #62079 commented on Aug 21, 2025 • 1 new comment

• DOC: Fix docstring validation errors for pandas.util.hash_pandas_object

  #62075 commented on Aug 17, 2025 • 1 new comment

• [backport 2.3.x] BUG: fix fill value for gouped sum in case of unobserved categories for string dtype (empty string instead of 0) (#61909)

  #61963 commented on Aug 21, 2025 • 1 new comment

• Metadata generation failed when installing PyQt5

  #61037 commented on Aug 22, 2025 • 0 new comments

• ENH: support reading directory in read_csv

  #61275 commented on Aug 21, 2025 • 0 new comments

• ENH: Support Plugin Accessors Via Entry Points

  #61499 commented on Aug 20, 2025 • 0 new comments

• Fix void dtype handling

  #61637 commented on Aug 20, 2025 • 0 new comments

• BUG: to_numeric fails to convert a Pyarrow Decimal series containing NA values

  #61659 commented on Aug 19, 2025 • 0 new comments

• CLN: Use dedup_names for column name mangling in Python parser (#50371)

  #61670 commented on Aug 16, 2025 • 0 new comments

• BUG: Confusing error message when `to_datetime` fails for times

  #46509 commented on Aug 22, 2025 • 0 new comments

• Series.map on a Categorical with a function only processes each unique value once

  #15706 commented on Aug 22, 2025 • 0 new comments

• BUG: join unexpectedly created extra column start with "key_"

  #61294 commented on Aug 22, 2025 • 0 new comments

• BUG: Using `/` operator with a `Path` and `Series` of string dtype fails

  #61940 commented on Aug 21, 2025 • 0 new comments

• String dtype: backwards compatibility of selecting "object" vs "str" columns in `select_dtypes`

  #61916 commented on Aug 21, 2025 • 0 new comments

• BUG: DataFrame.join(other) raises InvalidIndexError if column index is CategoricalIndex

  #61675 commented on Aug 21, 2025 • 0 new comments

• BUG: Series.str.isdigit with pyarrow dtype doesn't honor unicode superscripts

  #61466 commented on Aug 21, 2025 • 0 new comments

• BUG: assignment fails with copy_on_write = True

  #60309 commented on Aug 21, 2025 • 0 new comments

• DEPR: Deprecate `.str` accessor on object-dtype.

  #29710 commented on Aug 21, 2025 • 0 new comments

• BUG: Test failures with 2.2.3 on Fedora Rawhide

  #60589 commented on Aug 18, 2025 • 0 new comments

• DOC: Website should copy code only

  #62108 commented on Aug 20, 2025 • 0 new comments

• DEPR: Deprecate passing positional arguments in {DataFrame,Series}.groupby (except `by` and `level`)

  #62102 commented on Aug 18, 2025 • 0 new comments

• DOC: Sort the pandas API reference navbar in alphabetical order

  #62099 commented on Aug 19, 2025 • 0 new comments

• API: mode.nan_is_na to consistently distinguish NaN-vs-NA

  #62040 commented on Aug 20, 2025 • 0 new comments

• continue from #61957 which closed with unmerged commit

  #62023 commented on Aug 16, 2025 • 0 new comments

• BUG: Fix is_signed_integer_dtype to handle abstract floating types (GH 62018)

  #62020 commented on Aug 22, 2025 • 0 new comments

• BUG: fix .str.isdigit to honor unicode superscript for older pyarrow

  #61962 commented on Aug 21, 2025 • 0 new comments

• BUG: Fix TypeError in assert_index_equal when comparing CategoricalIndex with check_categorical=True and exact=False

  #61941 commented on Aug 22, 2025 • 0 new comments

• BUG: .describe() doesn't work for EAs #61707

  #61910 commented on Aug 20, 2025 • 0 new comments

• BUG: Raise ParserWarning when on_bad_lines is callable and index_col is set (GH#61882)

  #61902 commented on Aug 22, 2025 • 0 new comments

• DEPR: PeriodDtype.freq

  #61897 commented on Aug 21, 2025 • 0 new comments

• BUG: DataFrame.aggregate to preserve extension dtypes with callable functions

  #61816 commented on Aug 22, 2025 • 0 new comments

• Improve MultiIndex label rename checks

  #61769 commented on Aug 22, 2025 • 0 new comments

• ENH: speed up wide DataFrame.line plots by using a single LineCollection

  #61764 commented on Aug 22, 2025 • 0 new comments

• BUG: Fix assert_frame_equal with check_dtype=False for pd.NA dtype differences (GH#61473)

  #61748 commented on Aug 22, 2025 • 0 new comments

• adding pandas.api.typing.aliases and docs

  #61735 commented on Aug 17, 2025 • 0 new comments

• BUG: Fix lost precision with common type of uint64/int64

  #61679 commented on Aug 21, 2025 • 0 new comments

• BUG: Boolean Column Indexing Issue in Pandas

  #61980 commented on Aug 18, 2025 • 0 new comments

• DEPR: rename 'unit' keyword in to_datetime etc

  #62097 commented on Aug 18, 2025 • 0 new comments

• Export to excel for multiindex columns

  #11292 commented on Aug 17, 2025 • 0 new comments

• BUG: Inconsistent behavior of `MultiIndex.union` depending on duplicates and names

  #62059 commented on Aug 17, 2025 • 0 new comments

• BUG: `pd.Arrays.SparseArray` warning inconsistencies when contained in a `pd.DataFrame` (potential false positive)

  #58582 commented on Aug 17, 2025 • 0 new comments

• BUG: FutureWarning when splitting a dataframe using `np.split`

  #57351 commented on Aug 17, 2025 • 0 new comments

• BUG: Identity checking NA in `map` is incorrect

  #57390 commented on Aug 17, 2025 • 0 new comments

• BUG: MultiIndex.factorize fails if index is 0-length

  #57517 commented on Aug 17, 2025 • 0 new comments

• ENH: No longer always show hour, minute and second components for pd.Interval

  #57748 commented on Aug 17, 2025 • 0 new comments

• BUG: `Timestamp.unit` should reflect changes in components after `Timestamp.replace`

  #57749 commented on Aug 17, 2025 • 0 new comments

• BUG: Inconsistent implicit conversion of 1-arrays inside data frames

  #57923 commented on Aug 17, 2025 • 0 new comments

• BUG: itemsize wrong for date32[day][pyarrow] dtype?

  #57948 commented on Aug 17, 2025 • 0 new comments

• BUG: `np.where` called with `ps.Series` returns `np.array` instead of `pd.Series`

  #58329 commented on Aug 17, 2025 • 0 new comments

• API/BUG: freq retention in value_counts

  #33830 commented on Aug 16, 2025 • 0 new comments

• API: NaN vs NA in mixed reduction

  #62024 commented on Aug 16, 2025 • 0 new comments

• BUG: `isna` on pyarrow backed Series is returning Series with `bool` dtype instead of `bool[pyarrow]`

  #59431 commented on Aug 16, 2025 • 0 new comments

• BUG: Python 3.14 may not increment refcount

  #61368 commented on Aug 16, 2025 • 0 new comments

• issue when shifting with Timedelta in a groupby

  #20492 commented on Aug 16, 2025 • 0 new comments

• API: Specify the behaviour for operating on empty objects

  #47959 commented on Aug 15, 2025 • 0 new comments

• BUG: DataFrame.rank does not return EA types when original type was an EADtype

  #52829 commented on Aug 15, 2025 • 0 new comments

• BUG: pyarrow dictionary type ordered argument not respected

  #58152 commented on Aug 15, 2025 • 0 new comments

• BUG: Categorical columns using the PyArrow backend requires 4x more memory

  #58062 commented on Aug 15, 2025 • 0 new comments

• Aliases for column names

  #11723 commented on Aug 21, 2025 • 0 new comments

• BUG: non-monotonic DatetimeIndex does not raise KeyError for missing labels

  #7827 commented on Aug 21, 2025 • 0 new comments

• DEPR: List of deprecations to be removed in 3.0

  #50578 commented on Aug 21, 2025 • 0 new comments

• DEPR: List of deprecations to be removed in 4.0

  #56596 commented on Aug 21, 2025 • 0 new comments

• ENH: Pandas Tensor Data Type

  #59006 commented on Aug 20, 2025 • 0 new comments

• DEPR: SeriesGroupBy._aggregate_named

  #41090 commented on Aug 20, 2025 • 0 new comments

• DOC: Incorrect Source Link

  #58350 commented on Aug 20, 2025 • 0 new comments

• ENH: Behaviour Series.isin with dataframe comparison is confusing [for discussion]

  #43460 commented on Aug 20, 2025 • 0 new comments

• BUG: Pandas column rename function now working for multilevel columns

  #55169 commented on Aug 20, 2025 • 0 new comments

• BUG: pd.DataFrame.mul has not support fill_value?

  #61581 commented on Aug 19, 2025 • 0 new comments

• BUG: In main, TimedeltaIndex.shift() requires freq in the index, but it may not be available because it was computed

  #62094 commented on Aug 19, 2025 • 0 new comments

• BUG: df created with `columns` takes exceedingly long time for `sum()`

  #45816 commented on Aug 19, 2025 • 0 new comments

• `pd.groupby` seems to mutate my `pd.Grouper` in-place

  #26564 commented on Aug 19, 2025 • 0 new comments

• TST: Use matplotlib's compare_images to check plots

  #5379 commented on Aug 19, 2025 • 0 new comments

• BUG: PeriodIndex to DatetimeIndex fail or have wrong/no frequency

  #58092 commented on Aug 19, 2025 • 0 new comments

• BUG (string dtype): comparison of string column to mixed object column fails

  #60228 commented on Aug 19, 2025 • 0 new comments

• BUG: regression in master for DataFrame.sparse.from_spmatrix

  #59212 commented on Aug 18, 2025 • 0 new comments

• BUG: Inconsistent behavior surrounding pd.fillna

  #61568 commented on Aug 18, 2025 • 0 new comments

• BUG: Incorrect timedelta with tz_localize and nonexistent times

  #40705 commented on Aug 18, 2025 • 0 new comments

• BUG: tz_localize gives incorrect shift_forward value in some European timezones

  #40915 commented on Aug 18, 2025 • 0 new comments

• API: timestamp resolution inference - default to one unit (if possible) instead of being data-dependent?

  #58989 commented on Aug 18, 2025 • 0 new comments

• BUG: to_csv uses inconsistent microsecond format for datetimes with timezones

  #62111 commented on Aug 18, 2025 • 0 new comments

• DOC: Simplify pandas theme footer

  #51536 commented on Aug 18, 2025 • 0 new comments