18 Pull requests merged by 8 people

• CLN: Enforce deprecation of DataFrame.idxmin/max with EAs and axis=1

  #62201 merged Aug 27, 2025

• Backport PR #62179 on branch 2.3.x (DOC: Add change in .values to the string migration guide)

  #62199 merged Aug 26, 2025

• DOC: Add change in .values to the string migration guide

  #62179 merged Aug 26, 2025

• BUG: Fix typos in test method names

  #62197 merged Aug 26, 2025

• CI: Fix scripts tests when running from another directory

  #62181 merged Aug 26, 2025

• Backport PR #62190: TST: Adjust test_round for Numpy 2.4 behavior

  #62193 merged Aug 26, 2025

• BUG: Fix typo in test_arrow.py

  #62192 merged Aug 26, 2025

• TST: Adjust test_round for Numpy 2.4 behavior

  #62190 merged Aug 25, 2025

• Bump pypa/cibuildwheel from 3.1.3 to 3.1.4

  #62187 merged Aug 25, 2025

• CLN: Replace warnings with Pandas4Warning

  #62162 merged Aug 25, 2025

• Bump actions/checkout from 4 to 5

  #62188 merged Aug 25, 2025

• Bump actions/download-artifact from 4 to 5

  #62186 merged Aug 25, 2025

• 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

12 Pull requests opened by 11 people

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

  #62172 opened Aug 22, 2025

• BUG/TST: Series round with dtype object

  #62174 opened Aug 22, 2025

• BUG: Fix Index.get_level_values() mishandling of boolean, pd.NA, np.nan, and pd.NaT levels

  #62175 opened Aug 23, 2025

• BUG: upgrade to PyQt6 to fix arm64 docker build

  #62176 opened Aug 23, 2025

• REF: use _cast_pointwise_result in map

  #62177 opened Aug 23, 2025

• CLN: Lint for usage of Deprecation/FutureWarning

  #62178 opened Aug 23, 2025

• BUG: Fix ArrowDtype.itemsize for fixed-width types

  #62182 opened Aug 24, 2025

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

  #62189 opened Aug 25, 2025

• DOC: definition of a scalar in rich comparison methods

  #62191 opened Aug 25, 2025

• DOC: Clarify parameter rules in the Notes Section of date_range and timedelta_range

  #62194 opened Aug 25, 2025

• BUG: Remove special-casing for date objects in DatetimeIndex indexing (GH#62158)

  #62198 opened Aug 26, 2025

• TST: Reduce banklist.html to make bs4 test run faster

  #62203 opened Aug 27, 2025

27 Issues closed by 8 people

• CLN/API: implemented to_html in terms of .style

  #11700 closed Aug 28, 2025

• ENH: Introduce type-safe constructors for `Timestamp` and `Timedelta`.

  #58475 closed Aug 27, 2025

• Release GIL for Merge

  #13745 closed Aug 27, 2025

• Add "day of month" (e.g., 15th of month) frequencies, easier extension?

  #2289 closed Aug 27, 2025

• ENH: Add Support for GroupBy Numeric Operations

  #20060 closed Aug 27, 2025

• ENH: timezone-aware `Period`

  #45736 closed Aug 27, 2025

• ENH: Pandas Tensor Data Type

  #59006 closed Aug 27, 2025

• API: Add Dictionary-encoded Extension Type

  #20899 closed Aug 27, 2025

• ENH: pandas mutate, add R's mutate functionality to enable users to easily create new columns in data frames

  #56499 closed Aug 27, 2025

• ENH: a readable sample function or an improvement

  #54227 closed Aug 27, 2025

• ENH: Generalized head and tail method.

  #44384 closed Aug 27, 2025

• Proposal: Add pd.check(df) utility function for quick dataset diagnostics

  #61691 closed Aug 27, 2025

• ENH: Add a ratio() Method for Series and dataframes. Alternatively, consider removing similar methods at this functionality level (e.g. diff() and pct_change())

  #60801 closed Aug 27, 2025

• ENH: unset_index method

  #60869 closed Aug 27, 2025

• ENH: Series.to_records()

  #51855 closed Aug 27, 2025

• Feature request: pandas.DataFrame.setdefault()

  #13963 closed Aug 27, 2025

• Bug report

  #62202 closed Aug 27, 2025

• QST: "Dummy" is rooted in ableist language

  #35724 closed Aug 27, 2025

• API: return value of `.values` for Series with the future string dtype (numpy array vs extension array)

  #60301 closed Aug 26, 2025

• release wheel of v1.5.3 for python 3.12

  #62195 closed Aug 26, 2025

• ENH: Add DataFrame versioning extension for Git-like version control

  #62184 closed Aug 25, 2025

• Request for guidance on issues for upcoming PyData Yerevan pandas sprint

  #61347 closed Aug 24, 2025

• 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

7 Issues opened by 7 people

• BUG: `record_prefix` ignored when `record_path` is empty

  #62205 opened Aug 28, 2025

• BUG: memory leak in to_json when converting DateTime values

  #62204 opened Aug 27, 2025

• BUG: Behavior change in pandas 3.x with `Series.resample` and `closed="right", how="right"`

  #62200 opened Aug 26, 2025

• BUG: divmod(pd.NA, s) returns single Series instead of tuple

  #62196 opened Aug 26, 2025

• DOC: NaT - "alias of NaT"; NA - "alias of <NA>"

  #62185 opened Aug 25, 2025

• 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

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

  #61828 commented on Aug 27, 2025 • 17 new comments

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

  #62040 commented on Aug 26, 2025 • 11 new comments

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

  #62080 commented on Aug 28, 2025 • 3 new comments

• BUG: Fix inconsistency with DateOffset near DST

  #61870 commented on Aug 24, 2025 • 2 new comments

• DOC: Add docstring for asarray_tuplesafe in common.py

  #62079 commented on Aug 21, 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 24, 2025 • 1 new comment

• Option to Raise Exception on Unmapped Value in Series.map

  #14210 commented on Aug 28, 2025 • 0 new comments

• REF: `DataFrame.to_html` should call `Styler.to_html`

  #41693 commented on Aug 28, 2025 • 0 new comments

• BUG: rank with object dtype and small values

  #62036 commented on Aug 28, 2025 • 0 new comments

• BUG: Add fillna at the beginning of _where not to fill NA. #60729

  #60772 commented on Aug 24, 2025 • 0 new comments

• ENH: support reading directory in read_csv

  #61275 commented on Aug 26, 2025 • 0 new comments

• WEB: add note to PDEP-10 about delayed timeline for requiring pyarrow

  #61706 commented on Aug 23, 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

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

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

• Improve MultiIndex label rename checks

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

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

  #61816 commented on Aug 26, 2025 • 0 new comments

• BUG FIX: None of the included dtypes present in df will raise ValueError with clear error message.

  #61871 commented on Aug 26, 2025 • 0 new comments

• DOC: Document that str.match accepts a regular expression

  #61879 commented on Aug 26, 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

• Updating error message to include more details about dataframe

  #61929 commented on Aug 28, 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: Fix is_signed_integer_dtype to handle abstract floating types (GH 62018)

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

• Update pytables.py to include a more thorough description of the min_itemsize variable

  #62068 commented on Aug 26, 2025 • 0 new comments

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

  #62136 commented on Aug 22, 2025 • 0 new comments

• DEPR: Categorical with values not present in categories

  #62142 commented on Aug 25, 2025 • 0 new comments

• fix enum typing from _lib

  #62145 commented on Aug 25, 2025 • 0 new comments

• REF: get rid of StringArrayNumpySemantics

  #62149 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

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

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

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

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

• BUG: Enlarging DataFrame with 2d indexer converts ints to floats

  #47503 commented on Aug 23, 2025 • 0 new comments

• BUG: DataFrame.at allows adding new rows to a DataFrame

  #48323 commented on Aug 23, 2025 • 0 new comments

• BUG: Cannot use .loc to set a ndarray as the value of an empty dataframe

  #49972 commented on Aug 23, 2025 • 0 new comments

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

  #57948 commented on Aug 23, 2025 • 0 new comments

• BUG: `Series.map` to tuple values fails for category dtype

  #41669 commented on Aug 23, 2025 • 0 new comments

• BUG: CategoricalIndex.fillna with a tuple category

  #37681 commented on Aug 23, 2025 • 0 new comments

• Metadata generation failed when installing PyQt5

  #61037 commented on Aug 23, 2025 • 0 new comments

• DEPR: List of deprecations to be removed in 4.0

  #56596 commented on Aug 23, 2025 • 0 new comments

• DEPR: List of deprecations to be removed in 3.0

  #50578 commented on Aug 23, 2025 • 0 new comments

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

  #52829 commented on Aug 24, 2025 • 0 new comments

• DEPR: rename 'unit' keyword in to_datetime etc

  #62097 commented on Aug 24, 2025 • 0 new comments

• DOC: Incorrect Source Link

  #58350 commented on Aug 24, 2025 • 0 new comments

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

  #62161 commented on Aug 25, 2025 • 0 new comments

• BUG: Using DateOffset with shift on a daylight savings transition produces error

  #57837 commented on Aug 25, 2025 • 0 new comments

• API: indexing dates-with-datetime64

  #62158 commented on Aug 25, 2025 • 0 new comments

• BUG: DataFrame.min with skipna=True raises TypeError when column contains np.nan and datetime.date

  #61204 commented on Aug 26, 2025 • 0 new comments

• API/BUG: freq retention in value_counts

  #33830 commented on Aug 26, 2025 • 0 new comments

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

  #62146 commented on Aug 26, 2025 • 0 new comments

• ENH: String functions for df.aggregate()

  #62050 commented on Aug 26, 2025 • 0 new comments

• BUG: is_scalar(Enum) gives False

  #62063 commented on Aug 26, 2025 • 0 new comments

• WEB: Multiple "Getting Started" on pandas.io leads to different links

  #32307 commented on Aug 27, 2025 • 0 new comments

• BUG: StringArray __array_ufunc__ validation of result should not require strings

  #40800 commented on Aug 27, 2025 • 0 new comments

• Various methods don't call call __finalize__

  #28283 commented on Aug 27, 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 27, 2025 • 0 new comments