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1 Release published by 1 person
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v2.3.0 Pandas 2.3.0
published
Jun 5, 2025
64 Pull requests merged by 37 people
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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 -
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 -
TST: Use external_error_raised for numpy-raised test_error_invalid_values
#61518 merged
May 30, 2025 -
BUG: Fix DatetimeIndex timezone preservation when joining indexes with same timezone but different units
#61234 merged
May 30, 2025 -
BUG: Raise clear error for duplicate id_vars in melt (GH61475)
#61484 merged
May 30, 2025 -
BUG: Fix inconsistent returned objects when applying groupby aggregations
#61508 merged
May 30, 2025 -
BUGFIX: escape
quotecharwhenescapecharis not None (even if quoting=csv.QUOTE_NONE)#61514 merged
May 30, 2025 -
ENH: Added dict support for
pd.set_option#61151 merged
May 29, 2025 -
ENH: Support third-party execution engines in Series.map
#61467 merged
May 27, 2025 -
CLN Replace direct import of closing with qualified contextlib usage
#61506 merged
May 27, 2025 -
DOC: Typo in shared_docs
#61497 merged
May 27, 2025 -
DOC: use Hashable instead of label
#61500 merged
May 27, 2025 -
DOC: Fixes dangling parenthesis in
.rstfiles#61501 merged
May 27, 2025 -
DOC: Restructure and expand UDF page
#61470 merged
May 27, 2025 -
DOC: Fix sparse and dense array memory usage comparison.
#61495 merged
May 26, 2025 -
DOC: Fix incorrect reST markups in What's new
#61492 merged
May 26, 2025 -
Bug cov nat
#60898 merged
May 23, 2025 -
DOC: Fix formatting in indexing.rst
#61480 merged
May 22, 2025 -
Wheels for win_arm64
#61463 merged
May 21, 2025 -
Backport PR #61399: BUG: round on object columns no longer raises a TypeError
#61472 merged
May 21, 2025 -
DOC: Expand on different Getitem uses
#60806 merged
May 21, 2025 -
BUG: round on object columns no longer raises a TypeError
#61399 merged
May 21, 2025 -
fix(doc): #61432 typing
#61455 merged
May 20, 2025 -
BUG: Fix #57608: queries on categorical string columns in HDFStore.select() return unexpected results.
#61225 merged
May 20, 2025 -
CLN: Expose arguments in DataFrame.query
#61413 merged
May 20, 2025 -
DOC: fix two mistakes in missing_data.rst
#61461 merged
May 19, 2025 -
PERF: Restore old performances with .isin() on columns typed as np.ui…
#61320 merged
May 19, 2025 -
TYP: Update typing for 3.10
#61453 merged
May 19, 2025 -
DOC: change
pandas.DataFrame.unstack'sfill_valueparam to scalar#61459 merged
May 19, 2025 -
BUG: Fix DataFrame constructor misclassification of array-like with 'name' attribute (#61443)
#61451 merged
May 19, 2025 -
DOC: User Guide Page on user-defined functions
#61195 merged
May 18, 2025 -
DOC: fix typo in merging.rst
#61449 merged
May 17, 2025 -
DOC: Skip parallel_coordinaes, andrews_curves doctests
#61448 merged
May 16, 2025 -
CI: clean up wheel build workarounds now that Cython 3.1.0 is out
#61446 merged
May 16, 2025 -
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
35 Pull requests opened by 25 people
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BLD: allow to build with non-MSVC compilers on Windows
#61404 opened
May 7, 2025 -
BUG: Raise MergeError when suffixes result in duplicate column names …
#61422 opened
May 9, 2025 -
ENH: Implemented MultiIndex.searchsorted method ( GH14833)
#61435 opened
May 12, 2025 -
BUG: Fix Dataframe handling of scalar Timestamp #61444
#61450 opened
May 17, 2025 -
BUG: Raise TypeError when joining with non-DataFrame using 'on=' (GH#61434)
#61454 opened
May 18, 2025 -
ENH: Added `DataFrame.nsorted` to select top ``n`` rows according to column-dependent order
#61457 opened
May 19, 2025 -
BUG: Raise ValueError on integer indexers containing NA; skip test for unsupported EAs(#56727)
#61465 opened
May 20, 2025 -
ENH: Implement PDEP-17
#61468 opened
May 20, 2025 -
DOC: Improve DateOffset docstring with constructor and examples (#52431)
#61476 opened
May 22, 2025 -
BUG: Fixed issue where rolling.kurt() calculations would be effected by values outside of scope
#61481 opened
May 22, 2025 -
BUG: Raise error when filtering HDF5 with tz-aware index (GH#61479)
#61482 opened
May 23, 2025 -
Implemented NumbaExecutionEngine
#61487 opened
May 23, 2025 -
ENH: Add `force_suffixes` boolean argument to `pd.merge`
#61498 opened
May 26, 2025 -
ENH: Support Plugin Accessors Via Entry Points
#61499 opened
May 26, 2025 -
Change internal types in individual files to be private. Use `TypeAlias` in code where types are declared.
#61504 opened
May 27, 2025 -
ENH: Implement to_iceberg
#61507 opened
May 27, 2025 -
BUG: Fix pivot_table margins to include NaN groups when dropna=False
#61524 opened
May 31, 2025 -
BUG: Fix assert_frame_equal dtype handling when check_dtype=False (#61473)
#61525 opened
May 31, 2025 -
ENH: Implement DataFrame.select
#61527 opened
May 31, 2025 -
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 -
Fix Index.equals between object and string
#61541 opened
Jun 3, 2025 -
CI: Debug slow environment solve times
#61542 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 -
Upgrade Python version for development environment
#61555 opened
Jun 4, 2025 -
BUILD: Add wheels for musllinux_aarch64
#61567 opened
Jun 5, 2025 -
BLD: Build wheels for 3.9 and musllinux-aarch64 for pandas 2.3
#61569 opened
Jun 5, 2025 -
DataFrames Class update
#61576 opened
Jun 5, 2025 -
TST: Remove match= in test_setitem_invalid to avoid PytestWarning
#61577 opened
Jun 5, 2025 -
DOC: Validate versions.json before building docs #61573
#61578 opened
Jun 5, 2025
79 Issues closed by 12 people
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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 -
BUG: to_latex does not escape % with percent formatter
#61478 closed
May 30, 2025 -
BUG: Timezone upon DatetimeIndex union is changed to UTC
#60080 closed
May 30, 2025 -
BUG: More Indicative Error when pd.melt with duplicate columns
#61475 closed
May 30, 2025 -
BUG: Inconsistent returned objects when applying groupby aggregations
#61503 closed
May 30, 2025 -
BUG: to_csv() quotechar/escapechar behavior differs from csv module
#61407 closed
May 30, 2025 -
ENH: Support dict to `pd.set_option` for cleaner code
#61093 closed
May 29, 2025 -
ENH: re-implement DataFrame.lookup.
#40140 closed
May 29, 2025 -
BUG: Mask changing value despite of no True return
#61505 closed
May 27, 2025 -
ENH: Broaden `dict` to `Mapping` as replace argument
#61440 closed
May 27, 2025 -
ENH: Supporting a `mapper` function as the 1st argument in `DataFrame.set_axis`
#61493 closed
May 27, 2025 -
DOC: kwargs naming in pd.Series.interpolate
#61494 closed
May 25, 2025 -
BUG: dataframe.to_csv calls defauly numpy to_string function, resulting in
#61474 closed
May 23, 2025 -
BUG: read_hdf() doesn't handle datetime64[ms] properly
#61479 closed
May 23, 2025 -
BUG: cov buggy when having NaT in column
#53115 closed
May 23, 2025 -
BUILD: Provide wheel for Windows ARM64
#61462 closed
May 21, 2025 -
BUG: timeseries plot x-axis starts way off when one column is all NaNs
#36252 closed
May 21, 2025 -
BUG: round on object columns no longer raises a TypeError
#61206 closed
May 21, 2025 -
DOC: Series.name is just Hashable, but many column arguments require str
#61432 closed
May 20, 2025 -
BUG: queries on categorical string columns in HDFStore.select() return unexpected results
#57608 closed
May 20, 2025 -
ENH: Explicitly opt out of pytz support
#60025 closed
May 20, 2025 -
DOC/ENH: Add full list of argument for DataFrame.query
#61405 closed
May 20, 2025 -
PERF: Slowdowns with .isin() on columns typed as np.uint64
#60098 closed
May 19, 2025 -
DOC: DataFrame.unstack should accept fill_value with more types than just int/str/dict
#61445 closed
May 19, 2025 -
BUG: `DataFrame` constructor not compatible with array-like classes that have a `'name'` attribute
#61443 closed
May 19, 2025 -
API (string dtype): comparisons between different string classes
#60639 closed
May 19, 2025 -
DOC: Write user guide page on apply/map/transform methods
#61126 closed
May 18, 2025 -
BUG: Compiler Flag Drift May Affect Pandas ABI Stability via Memory Assumptions
#61452 closed
May 18, 2025 -
BUG: DataFrame column assignment with pd.Timestamp leads to unexpected dtype and incorrect JSON output
#61444 closed
May 17, 2025 -
BUG: read_csv silently ignores out of bounds errors when parsing date columns
#61447 closed
May 17, 2025 -
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
49 Issues opened by 45 people
-
BUG: 2.3.0 didn't publish wheels for musl-aarch64 (arm)
#61574 opened
Jun 5, 2025 -
WEB: Test that our versions JSON is valid
#61573 opened
Jun 5, 2025 -
BUG: comparing strings of different dtypes errors
#61570 opened
Jun 5, 2025 -
BUG: Inconsistent behavior surrounding pd.fillna
#61568 opened
Jun 5, 2025 -
BUG: RecursionError when apply generic alias as a func
#61565 opened
Jun 5, 2025 -
Failed to install pandas==2.3.0 with Python 3.9
#61563 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 -
ENH: Implement DataFrame.select to select columns
#61522 opened
May 30, 2025 -
Misleading error message when PyTables is not installed
#61521 opened
May 30, 2025 -
BUG: DataFrame.sample weights not required to sum to less than 1
#61516 opened
May 29, 2025 -
ENH: Ability to name columns/index levels when using `.str.split(..., expand=True)` on `Index`/`Series`
#61515 opened
May 29, 2025 -
ENH: Adding pd.from_pydantic
#61513 opened
May 29, 2025 -
DOC: Docker image provided on "Debugging C extensions" is out of date
#61511 opened
May 28, 2025 -
BUG: margin for pivot_table is incorrect with NA column/index values
#61509 opened
May 28, 2025 -
BUG: Print alignement problem with some unicode characters
#61502 opened
May 26, 2025 -
BUG: Passing string[pyarrow] to the dtype parameter of e.g. csv_read() does produce a string type Series
#61496 opened
May 26, 2025 -
BUG: If you add _metadata to a custom subclass of Series, the sequence name is lost when indexing
#61491 opened
May 24, 2025 -
pandas logo license question
#61486 opened
May 23, 2025 -
BUG: zfill with pyarrow string
#61485 opened
May 23, 2025 -
BUG: date_range behaviour is inconsistent when using inclusive=right
#61483 opened
May 23, 2025 -
BUG: pandas.pivot_table margins, dropna and observed parameters not producing expected result
#61469 opened
May 21, 2025 -
BUG: Series.str.isdigit with pyarrow dtype doesn't honor unicode superscripts
#61466 opened
May 20, 2025 -
BUG: Decimal and float-to-int conversion issues with pyarrow ≥18.0.0 in parquet and Arrow dtype tests
#61464 opened
May 19, 2025 -
Use BaseExecutionEngine for Python and Numba engines
#61458 opened
May 19, 2025 -
PERF: Setting an item of incompatible dtype
#61456 opened
May 19, 2025 -
ENH: add option to save json without escaping forward slashes
#61442 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 -
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: way to include all columns within a groupby apply
#61406 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
120 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 translations infrastructure
#61380 commented on
Jun 1, 2025 • 42 new comments -
TST: Testing for mixed int/str Index
#61349 commented on
Jun 2, 2025 • 25 new comments -
Fix #60766:.map,.apply would convert element type for extension array
#61396 commented on
Jun 3, 2025 • 6 new comments -
BUG: Add fillna at the beginning of _where not to fill NA. #60729
#60772 commented on
May 30, 2025 • 4 new comments -
Fix #61072: inconsistent fullmatch results with regex alternation
#61343 commented on
May 30, 2025 • 3 new comments -
BUG: Copy attrs on pd.merge()
#60357 commented on
Jun 4, 2025 • 2 new comments -
BUILD: installation using wheels fails when using nix + uv2nix
#61079 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 -
DISC: Remove DTA/TDA/PA `freq`
#24566 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 -
DEPR: pandas/core
#27522 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: Index == Series should return NotImplemented
#36759 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 -
BUG: `Styler.to_excel` does not export styles and formats correctly
#42276 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: pd.Timestamp() defaults to [s] resolution instead of [ns]
#52653 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 -
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 -
ENH: set `__module__` on top-level public objects
#55178 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 -
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 -
Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)
#61381 commented on
May 18, 2025 • 0 new comments -
[WIP] ENH: support reading directory in read_csv
#61275 commented on
Jun 5, 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: Fix #61221: Exception with unstack(sort=False) and NA in index.
#61226 commented on
May 16, 2025 • 0 new comments -
BUG: fix to_json on period
#61203 commented on
May 15, 2025 • 0 new comments -
BUG: Added deprecation warning to Timestamp constructor
#61149 commented on
Jun 4, 2025 • 0 new comments -
BUG: Passing original properties of `DataFrame` and `Series` subclasses to their constructors
#61101 commented on
May 17, 2025 • 0 new comments -
ENH, DOC: Add JupyterLite-powered interactive examples for the `pandas` documentation
#61061 commented on
May 18, 2025 • 0 new comments -
BUG: Fix return type of loc/iloc
#61054 commented on
Jun 4, 2025 • 0 new comments -
DEPS: Revert SQLAlchemy minimum version back to 1.4.36
#60977 commented on
Jun 2, 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 2, 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 -
BUG: groupby.agg with UDF changing pyarrow dtypes
#59601 commented on
May 22, 2025 • 0 new comments -
WEB: Refine PDEP presentation
#58791 commented on
May 30, 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 -
RLS: 2.3
#59664 commented on
Jun 5, 2025 • 0 new comments -
DOC: Fix formatting errors in docstrings
#27977 commented on
Jun 5, 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 -
DOC: Simplify pandas theme footer
#51536 commented on
Jun 3, 2025 • 0 new comments -
DOC: Fix docs for various offset constructors
#52431 commented on
Jun 3, 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 -
BUG: inserting list of strings into Series auto-infers them as datetimes with mixed formats
#61353 commented on
May 24, 2025 • 0 new comments -
DOC: Generating docs doesn't work if path has whitespaces
#22836 commented on
May 23, 2025 • 0 new comments -
DOC/ENH: `Holiday` documentation is missing or hard to find for re-arranged national holidays.
#54382 commented on
May 23, 2025 • 0 new comments -
issue when shifting with Timedelta in a groupby
#20492 commented on
May 23, 2025 • 0 new comments -
Multiarray searchsorted fails
#14833 commented on
May 22, 2025 • 0 new comments -
BUG: int origin treated as nanoseconds since epoch time
#54788 commented on
May 22, 2025 • 0 new comments -
BUG: Series.combine_first loss of precision
#60128 commented on
May 21, 2025 • 0 new comments -
BUG: memory leak when slice series var assigning to itself
#60640 commented on
May 21, 2025 • 0 new comments -
BUG: CustomBusinessDay not respecting calendar
#60647 commented on
May 20, 2025 • 0 new comments -
BUG: engine calamine lost 0 when read_excel from vlookup cell
#61186 commented on
May 20, 2025 • 0 new comments -
ENH: Enable nsmallest/nlargest on object dtype
#61166 commented on
May 18, 2025 • 0 new comments -
ENH: Export (a subset of?) pandas._typing for type checking
#55231 commented on
May 18, 2025 • 0 new comments -
Updating value of a single row of a column using loc or at fails
#22040 commented on
May 16, 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 -
Pivot_table drop rows whose entries are all NaN
#21969 commented on
May 14, 2025 • 0 new comments -
About the internationalization of documentation
#56301 commented on
May 12, 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 -
Metadata generation failed when installing PyQt5
#61037 commented on
May 10, 2025 • 0 new comments -
BUG: "python make.py html" for documentation is giving error
#60039 commented on
May 10, 2025 • 0 new comments -
ENH: Describe : add shortest, longest, avg/max/min length,field type
#59897 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 -
GraphQL support / accessor plugin system
#29076 commented on
May 7, 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: 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: Python 3.13 free-threading support
#59057 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: Creating Index name using `names` names argument, doesn't set index name
#19082 commented on
May 31, 2025 • 0 new comments -
BUG(?): rolling sum with pyarrow types results in float64 instead of preserving integer type
#61144 commented on
May 30, 2025 • 0 new comments -
TRACKER: new default String dtype (pyarrow-backed, numpy NaN semantics)
#54792 commented on
May 29, 2025 • 0 new comments -
ENH: Need new semantics for selecting parquet engine in Pandas 3
#56642 commented on
May 29, 2025 • 0 new comments -
ENH: read_csv with usecols shouldn't change column order
#61386 commented on
May 29, 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
May 28, 2025 • 0 new comments -
ENH: Make DataFrame.filter accept filters in new formats
#61317 commented on
May 27, 2025 • 0 new comments -
BLD: Drop Python 3.10 support
#60059 commented on
May 27, 2025 • 0 new comments -
BUG: Series.mask incorrectly replaces positions of pd.NA in the cond argument
#60729 commented on
May 27, 2025 • 0 new comments -
ENH: Using pyright to analyze missing type declarations
#39813 commented on
May 27, 2025 • 0 new comments -
DOC: document optional arguments on plot submethods
#11042 commented on
May 27, 2025 • 0 new comments