1 Release published by 1 person

• v2.3.0 Pandas 2.3.0

  published Jun 5, 2025

23 Pull requests merged by 14 people

• DOC: Validate versions.json before building docs #61573

  #61578 merged Jun 7, 2025

• WEB: Moving maintainers to inactive status

  #61591 merged Jun 6, 2025

• CI: Update Python version to 3.11 in environment.yml

  #61592 merged Jun 6, 2025

• Avoid re-enabling the GIL at runtime

  #61589 merged Jun 6, 2025

• BUILD: Add wheels for musllinux_aarch64

  #61567 merged Jun 6, 2025

• DOC: Fix typo in to_html and to_string docs

  #61555 merged Jun 6, 2025

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

  #61422 merged Jun 6, 2025

• WEB: Refine PDEP presentation

  #58791 merged Jun 6, 2025

• DOC: Fix typos

  #61580 merged Jun 6, 2025

• BUG: Fix JSON typo that breaks javascript in the docs

  #61572 merged Jun 5, 2025

• WEB: Update versions.json for 2.3

  #61562 merged Jun 5, 2025

• Backport PR #61560: DOC: Set date for v2.3.0.rst whatsnew

  #61561 merged Jun 4, 2025

• DOC: Set date for v2.3.0.rst whatsnew

  #61560 merged Jun 4, 2025

• Backport PR #61519: BUILD: Bump Cython to 3.1

  #61558 merged Jun 4, 2025

• BUILD: Bump Cython to 3.1

  #61519 merged Jun 4, 2025

• Backport PR #61549 on branch 2.3.x (TST: Add error message for test_groupby_raises_category_on_category for quantile)

  #61556 merged Jun 4, 2025

• TST: Add error message for test_groupby_raises_category_on_category for quantile

  #61549 merged Jun 4, 2025

• DOC: Move PyCapsule whatsnew note from v3.0.0 to v2.3.0

  #61553 merged Jun 4, 2025

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

  #61536 merged Jun 2, 2025

• DOC: Improve lookup documentation

  #61471 merged Jun 2, 2025

• BUG: Fix sorting by column named None in DataFrame.sort_values (GH#61512)

  #61517 merged Jun 2, 2025

• DOC: fix ES01 for pandas.plotting.autocorrelation_plot

  #61526 merged Jun 2, 2025

• DOC: Typo fix for .astype() in cheatsheet

  #61528 merged Jun 2, 2025

18 Pull requests opened by 15 people

• API: Replace na_action parameter in Series/DataFrame/Index.map by the standard skipna

  #61530 opened Jun 1, 2025

• BUG: Fix Series.str.zfill for ArrowDtype string arrays #61485

  #61533 opened Jun 1, 2025

• ENH pandas-dev#60693: shift operations for Series and DataFrames

  #61540 opened Jun 3, 2025

• BUG: Fix Index.equals between object and string

  #61541 opened Jun 3, 2025

• DOC: Fix docs for BusinessDay constructor #52431

  #61543 opened Jun 3, 2025

• ENH: Adding DataFrame plotting benchmarks for large datasets

  #61546 opened Jun 4, 2025

• DOC: Remove and Update out of date Docker Image issue with #61511

  #61550 opened Jun 4, 2025

• Parallelize test_sql.py - Issue #60378

  #61551 opened Jun 4, 2025

• DOC: Add note on inference behavior of apply with result_type='expand'

  #61552 opened Jun 4, 2025

• DataFrames Class update

  #61576 opened Jun 5, 2025

• TST: Remove match= in test_setitem_invalid to avoid PytestWarning

  #61577 opened Jun 5, 2025

• BUG: Require sample weights to sum to less than 1 when replace = True

  #61582 opened Jun 6, 2025

• Update whatsnew for issue #53115

  #61586 opened Jun 6, 2025

• WEB: Restore website width and improve table of contents style

  #61593 opened Jun 6, 2025

• CI: Fix slow mamba solver issue by limiting boto3 versions

  #61594 opened Jun 6, 2025

• Add table of contents support to ecosystem page

  #61595 opened Jun 7, 2025

• ENH: improve optional import error message

  #61597 opened Jun 7, 2025

• PDEP-18: Nullable Object Dtype

  #61599 opened Jun 7, 2025

25 Issues closed by 5 people

• VOTE: Voting issue for PDEP-15: Reject adding PyArrow as a required dependency

  #61596 closed Jun 7, 2025

• WEB: Test that our versions JSON is valid

  #61573 closed Jun 7, 2025

• BUG: 2.3.0 didn't publish wheels for musl-aarch64 (arm)

  #61574 closed Jun 6, 2025

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

  #61402 closed Jun 6, 2025

• WEB: use sphinx to render the PDEPs

  #51461 closed Jun 6, 2025

• Failed to install pandas==2.3.0 with Python 3.9

  #61563 closed Jun 6, 2025

• DOC: Version dropdown not working

  #61571 closed Jun 5, 2025

• Failed to install pandas BUILD: 2.3.0 Windows

  #61564 closed Jun 5, 2025

• Pandas DataFrame.query Code Injection (Unpatched)

  #61559 closed Jun 5, 2025

• ENH: Support for Python 3.13.2 free-threading version

  #60972 closed Jun 4, 2025

• usecols investigation for various I/O functions

  #61538 closed Jun 3, 2025

• BUG: pd.read_csv error when parse_dates used on index_col for dtype_backend="pyarrow"

  #57930 closed Jun 3, 2025

• BUG: pd.read_csv does not work with nullable_dtype coercion

  #52594 closed Jun 3, 2025

• BUG: `AttributeError` when `rolling.agg` use `np.prod` to calculate rolling product

  #54203 closed Jun 2, 2025

• BUG: to_datetime with mixed iso-str and ints

  #50721 closed Jun 2, 2025

• BUG: Union of two DateTimeIndexes is incorrectly calculated

  #60816 closed Jun 2, 2025

• BUG: FutureWarning for Boolean sparse dtypes in pd.DataFrame.sparse.from_spmatrix()

  #59739 closed Jun 2, 2025

• BUG: Spurious `FutureWarning` when using `pd.read_json()`

  #59511 closed Jun 2, 2025

• BUG: pandas testsuite on 2.2.x with numpy 2 fails on numexpr

  #58548 closed Jun 2, 2025

• DOC: Documentation website says version 2.2 is unstable

  #57593 closed Jun 2, 2025

• CoW warning mode for cases that will change behaviour

  #56019 closed Jun 2, 2025

• BUG: Cannot sort by columns named None

  #61512 closed Jun 2, 2025

• DOC: Official "Cheat Sheet" shows `as_type()` method, correct signature is `astype()`

  #61523 closed Jun 2, 2025

• BUG: VSCode go to definition doesn't work with pandas.api.extensions.register_dataframe_accessor

  #61510 closed Jun 2, 2025

• PERF: Slow Windows / Ubuntu Unit Tests during Status Checks

  #61460 closed Jun 2, 2025

21 Issues opened by 17 people

• BUG: Dangerous inconsistency: `~` operator changes behavior based on context outside a target.

  #61598 opened Jun 7, 2025

• RLS: 2.3.1

  #61590 opened Jun 6, 2025

• CI: Test pandas with numpy 1.26

  #61588 opened Jun 6, 2025

• WEB: Add table of content for the Ecosystem page

  #61587 opened Jun 6, 2025

• Unpin Python version in the development environment

  #61585 opened Jun 6, 2025

• Proposal to allow third-party engines for readers and writers

  #61584 opened Jun 6, 2025

• BUG: StataWriter returns ascii error when length of string is < 2045, but encoded length is > 2045

  #61583 opened Jun 6, 2025

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

  #61581 opened Jun 6, 2025

• `pandas.__version__` is `2.3.0+4.g1dfc98e16a` in pandas 2.3.0 and python 3.9, not `2.3.0`

  #61579 opened Jun 6, 2025

• BUG: comparing strings of different dtypes errors

  #61570 opened Jun 5, 2025

• BUG: Inconsistent behavior surrounding pd.fillna

  #61568 opened Jun 5, 2025

• BUILD: Installation issue on Mac with M1 Pro arm64 processor. pandas_parser.cpython-311-darwin.so is using x86_64 arch

  #61566 opened Jun 5, 2025

• BUG: RecursionError when apply generic alias as a func

  #61565 opened Jun 5, 2025

• BUG: regex match in compliance tests no longer match pytest expected inputs

  #61557 opened Jun 4, 2025

• BUG: duplicated() raises error with singlton set as subset

  #61554 opened Jun 4, 2025

• ENH: Columns formatted as "Text" in Excel are read as numbers

  #61539 opened Jun 3, 2025

• BUG: use of iloc with heterogeneous DataFrame sometimes performs undocumented conversions

  #61537 opened Jun 2, 2025

• ENH: read_csv tz option

  #61535 opened Jun 2, 2025

• ENH: speed up `DataFrame.plot` using `LineCollection`

  #61532 opened Jun 1, 2025

• CI: Micromamba taking too long to resolve the environments in the CI

  #61531 opened Jun 1, 2025

• raise TypeError when function returns object-like results

  #61529 opened Jun 1, 2025

102 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.

• ENH: Implement PDEP-17

  #61468 commented on Jun 4, 2025 • 13 new comments

• ENH: Support Plugin Accessors Via Entry Points

  #61499 commented on Jun 7, 2025 • 11 new comments

• Change internal types in individual files to be private. Use `TypeAlias` in code where types are declared.

  #61504 commented on Jun 6, 2025 • 9 new comments

• ENH: Implement to_iceberg

  #61507 commented on Jun 4, 2025 • 8 new comments

• ENH: Implement DataFrame.select

  #61527 commented on Jun 4, 2025 • 7 new comments

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

  #61396 commented on Jun 3, 2025 • 6 new comments

• BUG: Copy attrs on pd.merge()

  #60357 commented on Jun 7, 2025 • 5 new comments

• BUG: Fix assert_frame_equal dtype handling when check_dtype=False (#61473)

  #61525 commented on Jun 3, 2025 • 2 new comments

• PDEP-15: Reject PDEP-10

  #58623 commented on Jun 7, 2025 • 1 new comment

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

  #61466 commented on Jun 4, 2025 • 0 new comments

• BUG: DataFrame.sample weights not required to sum to less than 1

  #61516 commented on Jun 5, 2025 • 0 new comments

• DOC: Fix formatting errors in docstrings

  #27977 commented on Jun 5, 2025 • 0 new comments

• RLS: 2.3

  #59664 commented on Jun 5, 2025 • 0 new comments

• ENH: Python 3.13 free-threading support

  #59057 commented on Jun 6, 2025 • 0 new comments

• BUG: `Index.drop_duplicates()` is inconsistent for unhashable values

  #60925 commented on Jun 6, 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 Jun 7, 2025 • 0 new comments

• BUG: PyArrow timestamp type does not work with map() function

  #61231 commented on Jun 7, 2025 • 0 new comments

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

  #61294 commented on Jun 7, 2025 • 0 new comments

• PDEP-11: Change default of dropna to False

  #53094 commented on Jun 6, 2025 • 0 new comments

• TST: Make test_sql.py parallelizable

  #60378 commented on Jun 4, 2025 • 0 new comments

• ENH: Add `coalesce_keys` option to join

  #61033 commented on Jun 4, 2025 • 0 new comments

• BUG: Inconsistent behaviour of apply with result_type='expand' for functions that can return NaN type values

  #61057 commented on Jun 4, 2025 • 0 new comments

• BUG: Passing string[pyarrow] to the dtype parameter of e.g. csv_read() does produce a string type Series

  #61496 commented on Jun 4, 2025 • 0 new comments

• DOC: Simplify pandas theme footer

  #51536 commented on Jun 3, 2025 • 0 new comments

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

  #61418 commented on Jun 3, 2025 • 0 new comments

• DOC: Fix docs for various offset constructors

  #52431 commented on Jun 3, 2025 • 0 new comments

• ENH: Implement DataFrame.select to select columns

  #61522 commented on Jun 3, 2025 • 0 new comments

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

  #61431 commented on Jun 3, 2025 • 0 new comments

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

  #61398 commented on Jun 3, 2025 • 0 new comments

• BUG: zfill with pyarrow string

  #61485 commented on Jun 3, 2025 • 0 new comments

• BUG: Fix pivot_table margins to include NaN groups when dropna=False

  #61524 commented on May 31, 2025 • 0 new comments

• ENH: Add `force_suffixes` boolean argument to `pd.merge`

  #61498 commented on Jun 5, 2025 • 0 new comments

• Implemented NumbaExecutionEngine

  #61487 commented on Jun 3, 2025 • 0 new comments

• BUG: Raise error when filtering HDF5 with tz-aware index (GH#61479)

  #61482 commented on Jun 6, 2025 • 0 new comments

• BUG: Fixed issue where rolling.kurt() calculations would be effected by values outside of scope

  #61481 commented on Jun 2, 2025 • 0 new comments

• ENH: Implemented MultiIndex.searchsorted method ( GH14833)

  #61435 commented on Jun 3, 2025 • 0 new comments

• ENH: Implement translations infrastructure

  #61380 commented on Jun 1, 2025 • 0 new comments

• TST: Testing for mixed int/str Index

  #61349 commented on Jun 2, 2025 • 0 new comments

• [WIP] ENH: support reading directory in read_csv

  #61275 commented on Jun 7, 2025 • 0 new comments

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

  #61233 commented on Jun 6, 2025 • 0 new comments

• BUG: Added deprecation warning to Timestamp constructor

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

• ENH, DOC: Add JupyterLite-powered interactive examples for the `pandas` documentation

  #61061 commented on Jun 6, 2025 • 0 new comments

• BUG: Fix return type of loc/iloc

  #61054 commented on Jun 6, 2025 • 0 new comments

• DEPS: Revert SQLAlchemy minimum version back to 1.4.36

  #60977 commented on Jun 6, 2025 • 0 new comments

• [backport 2.3.x] API: ignore empty range/object dtype in Index setop operations (string dtype compat) (#60797)

  #60948 commented on Jun 6, 2025 • 0 new comments

• TST(string dtype): Resolve xfails in test_from_dummies

  #60694 commented on Jun 2, 2025 • 0 new comments

• ENH: add basic DataFrame.from_arrow class method for importing through Arrow PyCapsule interface

  #59696 commented on Jun 3, 2025 • 0 new comments

• TST: Added script to enforce usage of match argument for tm.assert_produces_warning

  #59173 commented on Jun 6, 2025 • 0 new comments

• PDEP-16: Consistent missing value handling

  #58988 commented on Jun 6, 2025 • 0 new comments

• DEPR: object inference in to_stata

  #56536 commented on Jun 2, 2025 • 0 new comments

• API / COW: ensure every new Series/DataFrame also has new (shallow copy) index

  #53699 commented on Jun 2, 2025 • 0 new comments

• DOC: Docker image provided on "Debugging C extensions" is out of date

  #61511 commented on Jun 2, 2025 • 0 new comments

• BUG: `Index.difference` is returning too many values

  #58971 commented on Jun 2, 2025 • 0 new comments

• Potential regression induced by "BUG: Use large_string in string array consistently"

  #58651 commented on Jun 2, 2025 • 0 new comments

• BUG: Pandas 2.2 breaks SQLAlchemy 1.4 compatibility

  #57049 commented on Jun 2, 2025 • 0 new comments

• Potential regression induced by commit 9cd5e55

  #58287 commented on Jun 2, 2025 • 0 new comments

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

  #57748 commented on Jun 2, 2025 • 0 new comments

• BUG: melt no longer supports id_vars and value_vars collapsing levels accross MultiIndex

  #57663 commented on Jun 2, 2025 • 0 new comments

• BUG: Cannot use numpy FLS as indicies since pandas 2.2.1

  #57645 commented on Jun 2, 2025 • 0 new comments

• API: with CoW, should every new Series/DataFrame object also have its own new Index objects?

  #53721 commented on Jun 2, 2025 • 0 new comments

• BUG: rounding dates to 30mins does not work

  #57002 commented on Jun 2, 2025 • 0 new comments

• BUG: `testing.assert_frame_equal` unhelpful error message for `string[pyarrow]`

  #54190 commented on Jun 2, 2025 • 0 new comments

• BUG: setting 1.02 into float32 Series upcasts to float64

  #55679 commented on Jun 2, 2025 • 0 new comments

• BUG: pd.cut raises error when input is a series that includes NaN and bins is a single number of bins

  #55684 commented on Jun 2, 2025 • 0 new comments

• BUG: Index.get_indexer will change behaviour for nulls with arrow strings

  #55833 commented on Jun 2, 2025 • 0 new comments

• BUG: Resampling with non nano returns an error

  #57427 commented on Jun 2, 2025 • 0 new comments

• BUG: FutureWarning about 'isin' where it is not used

  #57028 commented on Jun 2, 2025 • 0 new comments

• BUG: Error when trying to use `pd.date_range`

  #57215 commented on Jun 2, 2025 • 0 new comments

• pandas' recommendation on inplace deprecation and categorical column

  #57104 commented on Jun 2, 2025 • 0 new comments

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

  #57124 commented on Jun 2, 2025 • 0 new comments

• BUG: df.stack() returns wrong data when NaT is in index (regression since 2.1.0, ok in <= 2.0.3)

  #57152 commented on Jun 2, 2025 • 0 new comments

• BUG: pandas 2.2.0 `DataFrame.groupby` regression when group labels of type `pd.Timestamp`

  #57192 commented on Jun 2, 2025 • 0 new comments

• Potential regression induced by PR #56037

  #57366 commented on Jun 2, 2025 • 0 new comments

• BUG: pandas.tseries.offsets.Second() division

  #57264 commented on Jun 2, 2025 • 0 new comments

• BUG: thousands separator in read_html alters data even though converter is set for a specific column

  #39005 commented on Jun 2, 2025 • 0 new comments

• ENH: support new-style float_format string in to_csv

  #49580 commented on Jun 1, 2025 • 0 new comments

• BUG: assert_frame_equal(check_dtype=False) fails when comparing two DFs containing pd.NA that only differ in dtype (object vs Int32)

  #61473 commented on Jun 1, 2025 • 0 new comments

• Misleading error message when PyTables is not installed

  #61521 commented on Jun 2, 2025 • 0 new comments

• DOC: add button to edit on GitHub

  #39859 commented on Jun 2, 2025 • 0 new comments

• API: IncompatibleFrequency should subclass TypeError

  #55782 commented on Jun 2, 2025 • 0 new comments

• DOC: Provide a public place for users to link to our documentation

  #55632 commented on Jun 2, 2025 • 0 new comments

• ENH: set `__module__` on top-level public objects

  #55178 commented on Jun 2, 2025 • 0 new comments

• ENH: switch to copy=False by default when DataFrame is constructed from dict of Series/Index for CoW

  #52967 commented on Jun 2, 2025 • 0 new comments

• API: Index.__array_wrap__ stop special-casing bool dtype

  #52676 commented on Jun 2, 2025 • 0 new comments

• BUG: pd.Timestamp() defaults to [s] resolution instead of [ns]

  #52653 commented on Jun 2, 2025 • 0 new comments

• BUG: `DataFrame.dtypes` doesn't include backend for `string` columns

  #50099 commented on Jun 2, 2025 • 0 new comments

• BUG: `Styler.to_excel` does not export styles and formats correctly

  #42276 commented on Jun 2, 2025 • 0 new comments

• API: Make 'D' & offsets.Day always operate as calendar day instead of 24 Hour

  #41943 commented on Jun 2, 2025 • 0 new comments

• DEPR: Index == Series should return NotImplemented

  #36759 commented on Jun 2, 2025 • 0 new comments

• BUG: DTA/TDA setitem breaks freq on views

  #31218 commented on Jun 2, 2025 • 0 new comments

• DEPR: pandas/core

  #27522 commented on Jun 2, 2025 • 0 new comments

• astype(str) / astype_unicode: np.nan converted to "nan" (checknull, skipna)

  #25353 commented on Jun 2, 2025 • 0 new comments

• DISC: Remove DTA/TDA/PA `freq`

  #24566 commented on Jun 2, 2025 • 0 new comments

• BUG: Can only compare identically-labeled Series objects (string vs. object)

  #61099 commented on Jun 2, 2025 • 0 new comments

• BUILD: installation using wheels fails when using nix + uv2nix

  #61079 commented on Jun 2, 2025 • 0 new comments

• BUG: `.str.contains()` regex lookbehind and lookahead fail for data type `string[pyarrow]`

  #60833 commented on Jun 2, 2025 • 0 new comments

• BUG: assignment fails with copy_on_write = True

  #60309 commented on Jun 2, 2025 • 0 new comments

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

  #60301 commented on Jun 2, 2025 • 0 new comments

• BUG (string dtype): logical operation with bool and string failing

  #60234 commented on Jun 2, 2025 • 0 new comments

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

  #60228 commented on Jun 2, 2025 • 0 new comments

• String dtype: overview of breaking behaviour changes

  #59328 commented on Jun 2, 2025 • 0 new comments

• ENH: Need API support and __repr__ to discover the storage used for strings

  #59342 commented on Jun 2, 2025 • 0 new comments