46 Pull requests merged by 28 people

• BLD: Try using shared memory utilities in Cython to reduce wheel sizes

  #61384 merged May 16, 2025

• CI: Upgrade to ubuntu-24.04, install Python free threading from conda-forge

  #61410 merged May 15, 2025

• BUG: Impossible creation of array with dtype=string

  #61263 merged May 15, 2025

• ENH: Implement pandas.read_iceberg

  #61383 merged May 14, 2025

• Backport PR #61423: CI: Fix test failures in 32-bit environment

  #61437 merged May 13, 2025

• CI: Fix test failures in 32-bit environment

  #61423 merged May 13, 2025

• BLD: Decrease size of docker image

  #61430 merged May 12, 2025

• DOC: Updates to documentation - io.rst

  #61429 merged May 12, 2025

• DOC: update pandas cheat sheet with a third page (fixes #40680)

  #61378 merged May 11, 2025

• String dtype: more informative repr (keeping brief __str__)

  #61148 merged May 10, 2025

• DOC: Updated titanic.rst survived description

  #61421 merged May 9, 2025

• DOC: removed none from docstring

  #61411 merged May 8, 2025

• DEPS: Clean unused dependencies

  #61331 merged May 8, 2025

• Subplot title count fix + fix for issue introduced in earlier PR

  #61393 merged May 7, 2025

• BUG: Fix naive timestamps inheriting timezone from previous timestamps in to_datetime with ISO8601 format

  #61400 merged May 6, 2025

• [pre-commit.ci] pre-commit autoupdate

  #61397 merged May 5, 2025

• DOC: add api.types.is_dtype_equal into document

  #61394 merged May 3, 2025

• DOC: Fix dark mode text visibility in Getting Started accordion (#60024)

  #61379 merged Apr 30, 2025

• CI: Have dedicated Python 3.13 job instead of using Python dev

  #61333 merged Apr 30, 2025

• CLN: Use newer numpy random Generator methods in plotting colors

  #61332 merged Apr 30, 2025

• BUG: Series.dot for arrow and nullable dtypes returns object-dtyped series

  #61376 merged Apr 29, 2025

• BUG: Fixed issue with bar plots not stacking correctly when 'stacked' and 'subplots' are used together

  #61340 merged Apr 28, 2025

• CI: Use Cython nightlies for Windows wheel builds again

  #61371 merged Apr 28, 2025

• Bump pypa/cibuildwheel from 2.23.2 to 2.23.3

  #61369 merged Apr 28, 2025

• EHN: df.to_latex(escape=True) also escape index names

  #61307 merged Apr 28, 2025

• BUG: groupby.groups with NA categories fails

  #61364 merged Apr 28, 2025

• DOC: Add missing period in sample docstring

  #61367 merged Apr 28, 2025

• [minor edit] edit definitions of some parameters with correct idiomatic English for better legibility

  #61366 merged Apr 28, 2025

• perf: improve membership check performance in column filtering

  #61046 merged Apr 26, 2025

• BUG: Fix #46726; wrong result with varying window size min/max rolling calc.

  #61288 merged Apr 25, 2025

• DOC: Updated groupby.expanding arguments

  #61352 merged Apr 25, 2025

• BUG: pivot_table with overlapping values

  #61293 merged Apr 23, 2025

• DOC Update link to "The Grammar of Graphics" book

  #61341 merged Apr 23, 2025

• ENH: Add tzdata to hard dependencies

  #61308 merged Apr 22, 2025

• ENH: Update DataFrame.to_stata to handle pd.NA and None values in strL columns

  #61286 merged Apr 22, 2025

• DOC: Updated groupby.ewm arguments

  #61334 merged Apr 22, 2025

• TYP: Remove unused mypy ignores

  #61330 merged Apr 21, 2025

• DEPS: Bump optional dependencies

  #60655 merged Apr 21, 2025

• [minor edit] fix typo: psudocode -> pseudocode

  #61314 merged Apr 21, 2025

• DOC: Add missing punctuation to merging.rst

  #61315 merged Apr 21, 2025

• Remove WillAyd from CODEOWNERS

  #61329 merged Apr 21, 2025

• BUG(string dtype): groupby/resampler.min/max returns float on all NA strings

  #60985 merged Apr 19, 2025

• WEB: Update benchmarks page

  #61289 merged Apr 19, 2025

• BUG: Handle overlapping line and bar on the same plot

  #61173 merged Apr 18, 2025

• DOC: copyedit _base.py

  #61299 merged Apr 16, 2025

• ENH(string dtype): fallback for HDF5 with UTF-8 surrogates

  #60993 merged Apr 16, 2025

20 Pull requests opened by 20 people

• PERF: Restore old performances with .isin() on columns typed as np.ui…

  #61320 opened Apr 20, 2025

• Fix #61072: inconsistent fullmatch results with regex alternation

  #61343 opened Apr 23, 2025

• Update groupby().first() documentation to clarify behavior with missing data (#27578)

  #61345 opened Apr 23, 2025

• TST: Testing for mixed int/str Index

  #61349 opened Apr 24, 2025

• Add warning to `.groupby` when null keys would be dropped due to default `dropna`

  #61351 opened Apr 24, 2025

• BUG: Raise ValueError for non-string columns in read_json orient='table' (GH19129)

  #61359 opened Apr 26, 2025

• Fix pyarrow comparison issue in array.py

  #61372 opened Apr 28, 2025

• ENH: Implement translations infrastructure

  #61380 opened Apr 30, 2025

• Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)

  #61381 opened Apr 30, 2025

• fix MultiIndex.difference not working with PyArrow timestamps (#61382) ,and some ruff formating fix

  #61391 opened May 2, 2025

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

  #61396 opened May 3, 2025

• BUG: round on object columns no longer raises a TypeError

  #61399 opened May 6, 2025

• BLD: allow to build with non-MSVC compilers on Windows

  #61404 opened May 7, 2025

• GH61405 Expose arguments in DataFrame.query

  #61413 opened May 9, 2025

• Bug fix slow plot with datetimeindex

  #61414 opened May 9, 2025

• BUG: Raise MergeError when suffixes result in duplicate column names …

  #61422 opened May 9, 2025

• BUG: Fix memory leak when slicing Series and assigning to self

  #61426 opened May 10, 2025

• Searchsorted branch

  #61435 opened May 12, 2025

• BUG: Raise ValueError on integer indexers containing NA; skip test for unsupported EAs

  #61441 opened May 14, 2025

• CI: clean up wheel build workarounds now that Cython 3.1.0 is out

  #61446 opened May 16, 2025

73 Issues closed by 15 people

• BUG: Impossible creation of array with dtype=string

  #61155 closed May 15, 2025

• ENH: Add smart_groupby() method for automatic grouping by categorical columns and aggregating numerics

  #61420 closed May 14, 2025

• BUG: ImportError: cannot import name 'NaN' from 'numpy' in squeeze_pro.py

  #61438 closed May 14, 2025

• DOC: Broken Link in IO Tools - HDF5 Data Description

  #61428 closed May 12, 2025

• DOC: Additional items for the cheat sheet

  #40680 closed May 11, 2025

• REGR: comparison op with dask data structure fails

  #38946 closed May 10, 2025

• REF: use common utilities when implementing EA._get_common_dtype

  #43454 closed May 10, 2025

• ENH: Default negative location in pandas insert

  #49496 closed May 10, 2025

• BUG: comparing multicolumn dataframe with datetime64 values to series gives TypeError

  #9006 closed May 10, 2025

• REGR: Comparing timestamp to empty Series raises TypeError starting in 0.25.0

  #35548 closed May 10, 2025

• ENH: improve the resulting dtype for groupby operations on nullable dtypes

  #37494 closed May 10, 2025

• REGR: setting column with setitem should not modify existing array inplace

  #33457 closed May 10, 2025

• Type hint of DataFrame(...dtype...) excludes numpy scalar types such as np.int8

  #31872 closed May 10, 2025

• DEPR/API: tuples in labels

  #24688 closed May 10, 2025

• BUG: `DataFrame.convert_dtypes()` converting `object` to `pd.ArrowDtype` instead of `pd.StringDtype`

  #50971 closed May 10, 2025

• DOC: Remove internally used/private parameters from method signatures

  #52028 closed May 10, 2025

• ENH: na_rep='=na()' as default value

  #52258 closed May 10, 2025

• API: inconsistencies between grouped and grouped[['col']] in groupby

  #21790 closed May 10, 2025

• Direct delegation of Series methods to ExtensionArrays

  #21305 closed May 10, 2025

• DataFrame.groupby().sum() treating Nan as 0.0

  #20824 closed May 10, 2025

• DOC: to quote or not to quote

  #19750 closed May 10, 2025

• BUG: race condition in Index.is_unique

  #21150 closed May 10, 2025

• BUILD: Missing Windows free-threading wheel

  #61419 closed May 10, 2025

• i want to develop one feature in pandas

  #61424 closed May 10, 2025

• DOC: Error in Getting started tutorials > How do I read and write tabular data?

  #61412 closed May 9, 2025

• BUG: ImportError: cannot import name 'NaN' from 'numpy'

  #61415 closed May 9, 2025

• DOC: axis argument for take says `None` is acceptable, but that is incorrect.

  #61408 closed May 8, 2025

• BUG: CVE-2020-13091

  #61409 closed May 8, 2025

• BUG: guess_datetime_format cannot infer iso 8601 format

  #61403 closed May 7, 2025

• BUG: df.plot() multi-column subplots & title interaction

  #61019 closed May 7, 2025

• BUG: Incorrect Parsing of Timestamps in pd.to_datetime with Series with format="ISO8601" and UTC=True

  #61389 closed May 6, 2025

• BUG: to_datetime raises "AttributeError: 'NoneType' object has no attribute 'total_seconds'" even with errors='coerce'

  #59769 closed May 6, 2025

• DOC: Should `pandas.api.types.is_dtype_equal()` be documented?

  #60905 closed May 3, 2025

• BUG: pd.to_datetime failing to parse with exception error 01-Jun-2025 in sequence with 31-May-2025

  #61395 closed May 3, 2025

• not able to see the content in the dark mode

  #61377 closed Apr 30, 2025

• DOC: Intro to pandas table not readily visible in dark mode

  #60024 closed Apr 30, 2025

• BUG: dot on Arrow Series produces a Numpy object result

  #61375 closed Apr 29, 2025

• BUG: df.plot() "Subplots" changes behavior of how values are stacked using the "Stacked" property

  #61018 closed Apr 28, 2025

• BUG: to_latex() does not escape index name

  #57362 closed Apr 28, 2025

• BUG: `DataFrameGroupBy.groups` fails when Categorical indexer contains NaNs and `dropna=False`

  #61356 closed Apr 28, 2025

• REGR: Fix signature of GroupBy.expanding

  #61361 closed Apr 27, 2025

• ENH: magic_case()

  #61360 closed Apr 26, 2025

• PERF: Optimize membership check in column filtering for better performance

  #61045 closed Apr 26, 2025

• BUG: assignment via loc silently fails with differing dtypes

  #61346 closed Apr 26, 2025

• BUG:FutureWarning for palette parameter without hue in faceted distributions

  #61276 closed Apr 26, 2025

• BUG: Partially incorrect results when using a custom indexer for a rolling window for max and min

  #46726 closed Apr 25, 2025

• BUG: datetime ExtensionDtype do not work with DataFrame

  #35767 closed Apr 24, 2025

• Missing Imports

  #28133 closed Apr 24, 2025

• ENH: value_counts to produce both count and normalized

  #60385 closed Apr 24, 2025

• ENH: "forward rolling" - where instead of looking back at previous values, you look ahead at future values

  #60472 closed Apr 24, 2025

• ENH: Unique key detection function

  #60298 closed Apr 24, 2025

• BUG: concat with datetime index returns Series instead of scalar if microsecond=0

  #57835 closed Apr 24, 2025

• BUG: Series of bools with length mismatch does not raise when used with `.iloc`

  #61344 closed Apr 24, 2025

• BUG: Concatenating data frames with `MultiIndex` with `datetime64[ms]` dtype introduces `NaT` values to the index

  #61342 closed Apr 24, 2025

• ENH: th elements from Styler need the row scope

  #61350 closed Apr 24, 2025

• BUG: `values` argument ignored when also supplied to `index`/`columns` in `pivot_table`

  #61292 closed Apr 23, 2025

• BUG: pandas pivot_table count over a dataframe with 2 columns results in empty dataset when using aggfunc="count"

  #57876 closed Apr 23, 2025

• ENH: IDEA Introduce axis→0/axis→1 arrow aliases to disambiguate direction vs. label operations

  #61336 closed Apr 23, 2025

• ENH: Add `tzdata` to the `_hard_dependencies`

  #61273 closed Apr 22, 2025

• BUG: Period datatype data gets mangled up in pivoting operation

  #61338 closed Apr 22, 2025

• ENH: inspect duplicate rows for columns that vary

  #61318 closed Apr 21, 2025

• ENH: grep-like select columns of a DataFrame by a part of their names

  #61319 closed Apr 21, 2025

• BUG: no last function in window rolling

  #61310 closed Apr 21, 2025

• BUG: duplicated() is reporting rows as duplicates when they aren't upon visual inspection.

  #61312 closed Apr 19, 2025

• BUG: Inconsistent dtype with GroupBy for StrDtype and all missing values

  #60810 closed Apr 19, 2025

• BUG: to_latex, when escaped=True, doesn't escape columns name

  #61309 closed Apr 19, 2025

• BUG: fails to plot 2 plots with secondary y axis when index type is PeriodIndex and plot kinds are different

  #61161 closed Apr 18, 2025

• 50000

  #61305 closed Apr 18, 2025

• ENH: Add Optional Schema Definitions to Enable IDE Autocompletion

  #61304 closed Apr 17, 2025

• I would like to join the pandas community, but the Slack link is broken and I cannot join.

  #61298 closed Apr 17, 2025

• Next Pandas Release Question

  #60812 closed Apr 17, 2025

• BUILD: Error installing pandas 2.2.3 on AIX 7.3 system (error: conflicting types for lockf64, lseek64, ftruncate64..)

  #61272 closed Apr 17, 2025

• DOC: DataFrameGroupBy.filter documentation is misleading

  #61300 closed Apr 17, 2025

44 Issues opened by 41 people

• BUG: read_csv silently ignores out of bounds errors when parsing date columns

  #61447 opened May 16, 2025

• DOC: DataFrame.unstack should accept fill_value with more types than just int/str/dict

  #61445 opened May 16, 2025

• BUG: DataFrame column assignment with pd.Timestamp leads to unexpected dtype and incorrect JSON output

  #61444 opened May 15, 2025

• BUG: `DataFrame` constructor not compatible with array-like classes that have a `'name'` attribute

  #61443 opened May 14, 2025

• ENH: add option to save json without escaping forward slashes

  #61442 opened May 14, 2025

• ENH: Broaden `dict` to `Mapping` as replace argument

  #61440 opened May 14, 2025

• BUG: Confusing Behavior When Assigning DataFrame Columns Using `omegaconf.ListConfig`

  #61439 opened May 14, 2025

• BUG: Joining Pandas with Polars dataframe produces fuzzy errormessage

  #61434 opened May 12, 2025

• BUG: Some `ExtensionArray`s can return 0-d Elements

  #61433 opened May 12, 2025

• DOC: Series.name is just Hashable, but many column arguments require str

  #61432 opened May 12, 2025

• BUG: documented usage of of `str.split(...).str.get` fails on dtype `large_string[pyarrow]`

  #61431 opened May 12, 2025

• ENH: access arrow-backed map as a python dictionary

  #61427 opened May 10, 2025

• BUG(string dtype): Arithmetic operations between Series with string dtype index

  #61425 opened May 10, 2025

• BUG/FEATURE REQUEST: DataFrame.to_sql() tries to create table when it exists

  #61418 opened May 9, 2025

• ENH: The prompt message in the error does not bring any valid bug prompts

  #61417 opened May 9, 2025

• BUG: df.rolling.{std, skew, kurt} gives unexpected value

  #61416 opened May 9, 2025

• BUG: to_csv() quotechar/escapechar behavior differs from csv module

  #61407 opened May 8, 2025

• BUG: way to include all columns within a groupby apply

  #61406 opened May 8, 2025

• DOC/ENH: Add full list of argument for DataFrame.query

  #61405 opened May 8, 2025

• BUG: Duplicate columns allowed on `merge` if originating from separate dataframes

  #61402 opened May 7, 2025

• ENH: access sliced dataframe from rolling.cov

  #61401 opened May 6, 2025

• BUG: Slower `DataFrame.plot` with `DatetimeIndex`

  #61398 opened May 6, 2025

• DOC: Issue with the general expressiveness of the docs

  #61392 opened May 2, 2025

• TYP: `npt._ArrayLikeInt_co` does not exist

  #61387 opened May 1, 2025

• ENH: read_csv with usecols shouldn't change column order

  #61386 opened May 1, 2025

• BUG: to_sql works only for strings

  #61385 opened May 1, 2025

• BUG: Multindex difference not working on columns with type Timestamp[ns][pyarrow]

  #61382 opened Apr 30, 2025

• ENH: Adding hint to to_sql

  #61370 opened Apr 28, 2025

• BUG: Python 3.14 may not increment refcount

  #61368 opened Apr 28, 2025

• BUG: Constructing series with Timedelta object results in datetime series

  #61365 opened Apr 27, 2025

• QST: best way to extend/subclass pandas.DataFrame

  #61362 opened Apr 26, 2025

• DOC: change `tuples` param for MultiIndex.from_tuples from sequence to iterable

  #61357 opened Apr 25, 2025

• BUG: inserting list of strings into Series auto-infers them as datetimes with mixed formats

  #61353 opened Apr 25, 2025

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

  #61347 opened Apr 24, 2025

• ENH: Add warning when `DataFrame.groupby` drops NA keys

  #61339 opened Apr 22, 2025

• BUG: DataFrame.to_markdown exception when a cell has numpy.array type

  #61337 opened Apr 22, 2025

• BUG: pre-commit version 4.0.0 is required

  #61328 opened Apr 21, 2025

• BUG: to_dict(orient='dict') does not convert np.nan to None in Pandas 2.2.3

  #61323 opened Apr 21, 2025

• BUG: memory issues with `string[pyarrow]` after sorted `pd.merge`

  #61322 opened Apr 20, 2025

• ENH: Make DataFrame.filter accept filters in new formats

  #61317 opened Apr 20, 2025

• BUG: `.to_parquet` fails with `schema` for `string[pyarrow]` but not `string[python]`

  #61316 opened Apr 20, 2025

• BUG: ``'ArrowExtensionArray' object has no attribute 'max'`` when passing pyarrow-backed series to `.iloc`

  #61311 opened Apr 19, 2025

• ENH: Add read_dbf method

  #61306 opened Apr 18, 2025

• BUG: NA are coerced in to NaN by concat

  #61303 opened Apr 17, 2025

80 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.

• DOC: User Guide Page on user-defined functions

  #61195 commented on May 8, 2025 • 22 new comments

• BUG: Fix scatter plot colors in groupby context to match line plot behavior (#59846)

  #61233 commented on May 6, 2025 • 10 new comments

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

  #60772 commented on May 13, 2025 • 5 new comments

• BUG: Pyarrow timestamp support for map() function

  #61236 commented on Apr 18, 2025 • 4 new comments

• PDEP-8: Inplace methods in pandas

  #51466 commented on Apr 23, 2025 • 3 new comments

• API (string dtype): implement hierarchy (NA > NaN, pyarrow > python) for consistent comparisons between different string dtypes

  #61138 commented on May 14, 2025 • 3 new comments

• BUG: Fix DatetimeIndex timezone preservation when joining indexes with same timezone but different units

  #61234 commented on Apr 29, 2025 • 2 new comments

• ENH: Added dict support for `pd.set_option`

  #61151 commented on Apr 28, 2025 • 2 new comments

• BUG: Fix return type of loc/iloc

  #61054 commented on May 13, 2025 • 1 new comment

• ENH: Describe : add shortest, longest, avg/max/min length,field type

  #59897 commented on May 8, 2025 • 0 new comments

• TST: Make test_sql.py parallelizable

  #60378 commented on May 8, 2025 • 0 new comments

• BUG: "python make.py html" for documentation is giving error

  #60039 commented on May 10, 2025 • 0 new comments

• Metadata generation failed when installing PyQt5

  #61037 commented on May 10, 2025 • 0 new comments

• BUG: memory leak when slice series var assigning to itself

  #60640 commented on May 10, 2025 • 0 new comments

• ENH: adding a filter (and bold) to header when writing to excel

  #61194 commented on May 11, 2025 • 0 new comments

• Multiarray searchsorted fails

  #14833 commented on May 11, 2025 • 0 new comments

• About the internationalization of documentation

  #56301 commented on May 12, 2025 • 0 new comments

• ENH: Explicitly opt out of pytz support

  #60025 commented on May 8, 2025 • 0 new comments

• BUG: Series.plot.bar() raises TypeError on timedelta dtype

  #39320 commented on May 7, 2025 • 0 new comments

• TST: tests for tm.shares_memory

  #55372 commented on May 7, 2025 • 0 new comments

• TST: test_setitem_integer_with_missing_raises contains duplicate parametrization

  #56727 commented on May 7, 2025 • 0 new comments

• BUG: Pandas Discrepancies in Handling Non-English Data During Memory Optimization

  #58233 commented on May 7, 2025 • 0 new comments

• ENH: generic `save` and `read` methods for DataFrame

  #60786 commented on May 7, 2025 • 0 new comments

• BUG: round on object columns no longer raises a TypeError

  #61206 commented on May 7, 2025 • 0 new comments

• GraphQL support / accessor plugin system

  #29076 commented on May 7, 2025 • 0 new comments

• Updating value of a single row of a column using loc or at fails

  #22040 commented on May 13, 2025 • 0 new comments

• Pivot_table drop rows whose entries are all NaN

  #21969 commented on May 14, 2025 • 0 new comments

• CLN: Use dedup_names in all instances where duplicate column names are renamed

  #50371 commented on May 14, 2025 • 0 new comments

• BUG: CustomBusinessDay not respecting calendar

  #60647 commented on May 15, 2025 • 0 new comments

• RLS: 2.3

  #59664 commented on May 15, 2025 • 0 new comments

• ENH: Support for Python 3.13.2 free-threading version

  #60972 commented on May 16, 2025 • 0 new comments

• PDEP-11: Change default of dropna to False

  #53094 commented on Apr 23, 2025 • 0 new comments

• ENH: Allow `s.map(d, na_action='raise')`

  #60482 commented on Apr 20, 2025 • 0 new comments

• Bug cov nat

  #60898 commented on May 15, 2025 • 0 new comments

• My feature branch to issue #19129 (read_json and orient='table' With Numeric Column)

  #60945 commented on Apr 26, 2025 • 0 new comments

• DEPS: Revert SQLAlchemy minimum version back to 1.4.36

  #60977 commented on Apr 18, 2025 • 0 new comments

• BUG: Added deprecation warning to Timestamp constructor

  #61149 commented on May 4, 2025 • 0 new comments

• BUG: fix to_json on period

  #61203 commented on May 15, 2025 • 0 new comments

• BUG: Fix #61221: Exception with unstack(sort=False) and NA in index.

  #61226 commented on May 15, 2025 • 0 new comments

• [WIP] ENH: support reading directory in read_csv

  #61275 commented on May 11, 2025 • 0 new comments

• BUG: Series.plot.hist segfault for timedelta64

  #43941 commented on Apr 27, 2025 • 0 new comments

• DOC: Fix docs for various offset constructors

  #52431 commented on Apr 27, 2025 • 0 new comments

• DOC: Series.update throws a `FutureWarning` about `def[col] = df[col].method` but `.update` returns `None` and works `inplace`

  #59788 commented on Apr 25, 2025 • 0 new comments

• "ValueError: Must have equal len keys and value when setting with an iterable" when updating an object type cell using .loc with a nd.array

  #57962 commented on Apr 25, 2025 • 0 new comments

• config.register_option allows registering invalid options

  #29242 commented on Apr 25, 2025 • 0 new comments

• BUG: Creating Index name using `names` names argument, doesn't set index name

  #19082 commented on Apr 24, 2025 • 0 new comments

• DOC: min_itemsize for HDFStore append for encoded strings

  #14601 commented on Apr 24, 2025 • 0 new comments

• BUG: Warning when compiling pandas/_libs/algos.c

  #58829 commented on Apr 24, 2025 • 0 new comments

• TRACKER: Getting Started with Meson/Bug Reports

  #49683 commented on Apr 24, 2025 • 0 new comments

• Improve plotting Timedelta on y-axis (Timedelta string representation)

  #17553 commented on Apr 23, 2025 • 0 new comments

• DEPR: Some dropna behaviors in DataFrame.pivot_table

  #53521 commented on Apr 23, 2025 • 0 new comments

• BUG: `.map` & `.apply` would convert element type for extension array.

  #60766 commented on Apr 23, 2025 • 0 new comments

• DOC: Reindexing behaviour of dataframe column-assignment missing

  #39845 commented on Apr 23, 2025 • 0 new comments

• ENH: The row and column indexing mechanism of your dataframe is inefficient, leading to errors and unnecessary time consumption

  #61230 commented on Apr 22, 2025 • 0 new comments

• ENH: The method of obtaining a certain cell or slice of the dataframe is confusing and unclear

  #61232 commented on Apr 21, 2025 • 0 new comments

• ENH: Enable nsmallest/nlargest on object dtype

  #61166 commented on Apr 21, 2025 • 0 new comments

• method `df.merge` is resetting the index

  #51796 commented on Apr 20, 2025 • 0 new comments

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

  #61294 commented on Apr 19, 2025 • 0 new comments

• Development with Visual Studio Tools 2022 not possible?

  #59576 commented on Apr 16, 2025 • 0 new comments

• ENH: Functionality to aid with Database Imports

  #61247 commented on Apr 16, 2025 • 0 new comments

• DOC: Incorrect explanation of merge_asof with direction="backward"

  #53279 commented on May 6, 2025 • 0 new comments

• ENH: `DatetimeIndex.set_freq()`

  #61094 commented on May 6, 2025 • 0 new comments

• BUG: Groupby.median returns absurd results for complex

  #43770 commented on May 6, 2025 • 0 new comments

• DOC: Development on Gitpod have problems

  #59459 commented on May 6, 2025 • 0 new comments

• BUG: when using id_vars in .melt(), the id_vars does not recognize the column name in a multiIndex dataframe

  #60018 commented on May 5, 2025 • 0 new comments

• TST: mixed_int_string Index

  #54072 commented on May 4, 2025 • 0 new comments

• DOC: df.plot() is missing color parameter on documentation

  #61020 commented on May 2, 2025 • 0 new comments

• ENH: re-implement DataFrame.lookup.

  #40140 commented on May 1, 2025 • 0 new comments

• BUG: timeseries plot x-axis starts way off when one column is all NaNs

  #36252 commented on May 1, 2025 • 0 new comments

• BUG: "str.contains" match groups UserWarning discourages best practices & slows performance

  #56798 commented on Apr 30, 2025 • 0 new comments

• BUG: concatenating time series with non ns unit leads to dataframe with missing data

  #58471 commented on Apr 29, 2025 • 0 new comments

• BUG: from_dict() hidden (correct) behavior not aligned with documentation and typing: accepts and processes lists of dicts

  #58862 commented on Apr 29, 2025 • 0 new comments

• ENH: Export (a subset of?) pandas._typing for type checking

  #55231 commented on Apr 29, 2025 • 0 new comments

• BUG: datetime64 can't be compared with pyarrow-backed variant

  #60937 commented on Apr 28, 2025 • 0 new comments

• ENH: Support dict to `pd.set_option` for cleaner code

  #61093 commented on Apr 28, 2025 • 0 new comments

• BUG: read_sql no longer works simply with SqlAlchemy selectables and a quick fix

  #35484 commented on Apr 28, 2025 • 0 new comments

• pandas' recommendation on inplace deprecation and categorical column

  #57104 commented on Apr 28, 2025 • 0 new comments

• BUG: In `main`, using `resample().interpolate(inplace=True)` raises an exception

  #58690 commented on Apr 27, 2025 • 0 new comments

• BUG: unexpected behavior when Loading lines like "\""\t"a"

  #59222 commented on Apr 27, 2025 • 0 new comments

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

  #61204 commented on Apr 27, 2025 • 0 new comments