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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
79 Pull requests merged by 33 people
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Revert "ENH: Allow third-party packages to register IO engines"
#61767 merged
Jul 3, 2025 -
ENH: Allow third-party packages to register IO engines
#61642 merged
Jul 3, 2025 -
DEPR: object inference in to_stata
#56536 merged
Jul 3, 2025 -
[backport 2.3.x] CI: clean up wheel build workarounds now that Cython 3.1.0 is out (#61446)
#61752 merged
Jul 3, 2025 -
DEPS: bump pyarrow minimum version from 10.0 to 12.0
#61723 merged
Jul 3, 2025 -
Revert "[2.3.x] DEPS: Drop Python 3.9 (#60792)"
#61755 merged
Jul 3, 2025 -
BLD: Build wheels for 3.9 and musllinux-aarch64 for pandas 2.3
#61569 merged
Jul 2, 2025 -
chore: remove redundant words in comment
#61759 merged
Jul 2, 2025 -
TST (string dtype): resolve skip in misc test_memory_usage
#61757 merged
Jul 2, 2025 -
DOC: Pass docstring validation for Index.infer_objects
#61756 merged
Jul 1, 2025 -
BUG: Assigning boolean series with boolean indexer
#61743 merged
Jul 1, 2025 -
TST/CI: temporary upper pin for scipy in downstream tests for compat with statsmodels
#61750 merged
Jul 1, 2025 -
TST: fix decimal cast error message for pyarrow nightly tests
#61749 merged
Jul 1, 2025 -
[backport 2.3.x] DOC: move relevant whatsnew changes from 2.3.0 to 2.3.1 file (#61698)
#61751 merged
Jul 1, 2025 -
Use
TypeAlias
in code where types are declared#61504 merged
Jul 1, 2025 -
TST: Refactor S3 tests
#61703 merged
Jun 30, 2025 -
BUG: Fix return type of loc/iloc
#61054 merged
Jun 30, 2025 -
BUG: Copy attrs on pd.merge()
#60357 merged
Jun 30, 2025 -
ENH: improve optional import error message
#61597 merged
Jun 30, 2025 -
BUG: to_stata erroring when encoded text and normal text have mismatched length
#61629 merged
Jun 30, 2025 -
Description of pandas_datetime_exec function.
#61635 merged
Jun 30, 2025 -
DOC: move relevant whatsnew changes from 2.3.0 to 2.3.1 file
#61698 merged
Jun 30, 2025 -
DOC: Add missing Index.infer_objects link to API reference
#61736 merged
Jun 30, 2025 -
DOC: Fix grammar in AUTHORS.md
#61739 merged
Jun 30, 2025 -
CI: if no docstring, create error GL08 and don't validate - fix for numpydoc 1.9
#61744 merged
Jun 30, 2025 -
TST: Increase test coverage for pandas.io.formats.excel.py
#61697 merged
Jun 25, 2025 -
DOC: update Slack invite link in community dos
#61704 merged
Jun 25, 2025 -
[backport 2.3.x] CI: Fix slow mamba solver issue by limiting boto3 version (#61594)
#61653 merged
Jun 24, 2025 -
[backport 2.3.x] BUG: DataFrame.explode fails with str dtype (#61623)
#61699 merged
Jun 24, 2025 -
BUG: DataFrame.explode fails with str dtype
#61623 merged
Jun 24, 2025 -
fix for building docs on Windows
#61686 merged
Jun 22, 2025 -
Backport PR #61654 on branch 2.3.x (DOC: Add release notes template for 2.3.1)
#61680 merged
Jun 20, 2025 -
DOC: Add release notes template for 2.3.1
#61654 merged
Jun 19, 2025 -
DOC/ENH: Holiday days_of_week value error
#61658 merged
Jun 17, 2025 -
Fix some incorrect indents in development documentation
#61664 merged
Jun 17, 2025 -
BUG: Fix RecursionError when apply native container types as a func
#61615 merged
Jun 16, 2025 -
WEB: Reorganization of the Ecosystem page
#61657 merged
Jun 16, 2025 -
ENH: Support for Orthodox Easter
#61666 merged
Jun 16, 2025 -
fix std/var with complex array
#61646 merged
Jun 16, 2025 -
DOC: Make the benchmarks URL clickable
#61661 merged
Jun 16, 2025 -
WEB: Clean up Ecosystem page
#61656 merged
Jun 13, 2025 -
WEB: Add table of contents to the Ecosystem
#61655 merged
Jun 13, 2025 -
TST: Remove match= in test_setitem_invalid to avoid PytestWarning
#61577 merged
Jun 13, 2025 -
[backport 2.3.x] TST: update xfail xarray version check in to_xarray test (#61648)
#61652 merged
Jun 13, 2025 -
WEB: Replace os.path with pathlib.Path in pandas_web.py
#61604 merged
Jun 13, 2025 -
DOC/ENH: Holiday exclusion argument
#61600 merged
Jun 13, 2025 -
CI: Fix slow mamba solver issue by limiting boto3 versions
#61594 merged
Jun 13, 2025 -
TST: update xfail xarray version check in to_xarray test
#61648 merged
Jun 13, 2025 -
[backport 2.3.x] ENH(string dtype): fallback for HDF5 with UTF-8 surrogates (#60993)
#61639 merged
Jun 13, 2025 -
[backport 2.3.x] BUG(string dtype): groupby/resampler.min/max returns float on all NA strings (#60985)
#61633 merged
Jun 12, 2025 -
[2.3.x] CI: temporarily pin numpy to 2.2 until latest numexpr is available
#61638 merged
Jun 12, 2025 -
[backport 2.3.x] BUG(string dtype): Empty sum produces incorrect result (#60936)
#61625 merged
Jun 12, 2025 -
DOC: Title Capitalization and Grammar Fix
#61630 merged
Jun 11, 2025 -
ENH: Implement to_iceberg
#61507 merged
Jun 9, 2025 -
Update whatsnew for issue #53115
#61586 merged
Jun 9, 2025 -
WEB: remove "String data type" from "Roadmap points pending a PDEP" section.
#61601 merged
Jun 8, 2025 -
WEB: Restore website width and improve table of contents style
#61593 merged
Jun 8, 2025 -
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 -
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
40 Pull requests opened by 28 people
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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 -
BUG: Require sample weights to sum to less than 1 when replace = True
#61582 opened
Jun 6, 2025 -
PDEP-18: Nullable Object Dtype
#61599 opened
Jun 7, 2025 -
DOC: Show constructor arguments for some classes in `pd.series.offsets`
#61605 opened
Jun 8, 2025 -
Fix/devcontainer qt deps
#61611 opened
Jun 8, 2025 -
BUG: Fix infer_dtype result for float with embedded pd.NA
#61624 opened
Jun 10, 2025 -
Fix void dtype handling
#61637 opened
Jun 12, 2025 -
BUG: Fix GroupBy aggregate coersion of outputs inconsistency for pyarrow dtypes
#61640 opened
Jun 12, 2025 -
BUG: Add PyArrow datelike type support for `map()`
#61644 opened
Jun 13, 2025 -
feature #49580: support new-style float_format string in to_csv
#61650 opened
Jun 13, 2025 -
feature #58141: Consistent naming conventions for string dtype aliases
#61651 opened
Jun 13, 2025 -
BUG: to_numeric fails to convert a Pyarrow Decimal series containing NA values
#61659 opened
Jun 14, 2025 -
Bump pypa/cibuildwheel from 2.23.3 to 3.0.0
#61668 opened
Jun 16, 2025 -
CLN: Use dedup_names for column name mangling in Python parser (#50371)
#61670 opened
Jun 16, 2025 -
BUG: fix: `list` as index item does not raise
#61674 opened
Jun 17, 2025 -
ENH #61033: Add coalesce_keys option to DataFrame.join for preserving join keys
#61678 opened
Jun 19, 2025 -
BUG: Fix lost precision with common type of uint64/int64
#61679 opened
Jun 19, 2025 -
BUG/TST: added TypeError if object dtypes are detected in dataframe
#61682 opened
Jun 20, 2025 -
Raise MergeError on mismatched signed/unsigned int merge keys
#61694 opened
Jun 23, 2025 -
DOC: add pandas 3.0 migration guide for the string dtype
#61705 opened
Jun 25, 2025 -
WEB: add note to PDEP-10 about delayed timeline for requiring pyarrow
#61706 opened
Jun 25, 2025 -
POC: NA-only behavior for numpy-nullable dtypes
#61708 opened
Jun 25, 2025 -
POC: PDEP16 default to masked nullable dtypes
#61716 opened
Jun 26, 2025 -
BUG: Raise OutOfBoundsDatetime in DataFrame.replace when value exceeds datetime64[ns] bounds (GH#61671)
#61717 opened
Jun 27, 2025 -
CI: add PyPI Trusted-Publishing “publish” job to wheels workflow (#61669)
#61718 opened
Jun 27, 2025 -
String dtype: turn on by default
#61722 opened
Jun 27, 2025 -
DOC: add sections about big new features (CoW, string dtype) to 3.0.0 whatsnew notes
#61724 opened
Jun 27, 2025 -
TST[string]: update expecteds for using_string_dtype to fix xfails
#61727 opened
Jun 27, 2025 -
POC: consistent NaN treatment for pyarrow dtypes
#61732 opened
Jun 28, 2025 -
adding pandas.api.typing.aliases and docs
#61735 opened
Jun 29, 2025 -
BUG: fillna with DataFrame input should preserve dtype when possible
#61742 opened
Jun 29, 2025 -
BUG: Fix assert_frame_equal with check_dtype=False for pd.NA dtype differences (GH#61473)
#61748 opened
Jun 30, 2025 -
BUG: .describe() doesn't work for EAs #61707
#61760 opened
Jul 2, 2025 -
ENH: speed up wide DataFrame.line plots by using a single LineCollection
#61764 opened
Jul 3, 2025 -
BUG: ensure to_numeric down-casts to uint64 for large unsigned integers
#61766 opened
Jul 3, 2025 -
BUG: NA.__and__, __or__, __xor__ with np.bool_ objects
#61768 opened
Jul 3, 2025 -
Improve MultiIndex label rename checks
#61769 opened
Jul 3, 2025
44 Issues closed by 16 people
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BUG: Segmentation fault when misusing `VariableWindowIndexer.get_window_bounds`
#61753 closed
Jul 2, 2025 -
BUG: comparing strings of different dtypes errors in 2.3
#61570 closed
Jul 2, 2025 -
BUG: Incompatible dype warning when assigning boolean series with logical indexer
#57338 closed
Jul 1, 2025 -
BUG: loc[] returns object type instead of float
#60600 closed
Jun 30, 2025 -
ENH: Copy attrs on join (possibly depending on left, right, etc.)
#60351 closed
Jun 30, 2025 -
Misleading error message when PyTables is not installed
#61521 closed
Jun 30, 2025 -
BUG: StataWriter returns ascii error when length of string is < 2045, but encoded length is > 2045
#61583 closed
Jun 30, 2025 -
DOC: Description of pandas_datetime_exec function
#61631 closed
Jun 30, 2025 -
BUG: AttributeError in pandas.core.algorithms.diff when passing non-numeric types
#61728 closed
Jun 30, 2025 -
DOC: Index.infer_objects is missing from docs
#61733 closed
Jun 30, 2025 -
DISC: nanoarrow-backed ArrowStringArray
#58552 closed
Jun 29, 2025 -
ENH: Type support for variables in `DataFrame.query()`
#61731 closed
Jun 29, 2025 -
BUG: CI docstring-validation fails with AttributeError in numpydoc validate.py
#61720 closed
Jun 27, 2025 -
BUG/API: floordiv by zero in Int64Dtype
#61715 closed
Jun 27, 2025 -
DOC: The Slack invite link to join the Pandas Dev community is broken
#61690 closed
Jun 25, 2025 -
DISC: path to nullable-by-default integers and floats
#58243 closed
Jun 23, 2025 -
BUG: Docs won't build (Unexpected exception in `doc\source\user_guide\enhancingperf.rst`)
#60149 closed
Jun 22, 2025 -
DOC: Pandas contributor take limit
#61626 closed
Jun 22, 2025 -
BUG: pandas.pivot_table margins, dropna and observed parameters not producing expected result
#61469 closed
Jun 21, 2025 -
BUG: engine calamine lost 0 when read_excel from vlookup cell
#61186 closed
Jun 19, 2025 -
BUG: cannot use registered float16 extension dtype
#46111 closed
Jun 18, 2025 -
BUG: RecursionError when apply generic alias as a func
#61565 closed
Jun 16, 2025 -
ENH: Support for Orthodox Easter
#61665 closed
Jun 16, 2025 -
BUG: Incorrect guess_datetime_format response
#61663 closed
Jun 16, 2025 -
BUG: `Series.std` and `Series.var` give incorrect results for complex values.
#61645 closed
Jun 16, 2025 -
WEB: Add table of content for the Ecosystem page
#61587 closed
Jun 16, 2025 -
BUG: regex match in compliance tests no longer match pytest expected inputs
#61557 closed
Jun 13, 2025 -
DOC/ENH: `Holiday` documentation is missing or hard to find for re-arranged national holidays.
#54382 closed
Jun 13, 2025 -
CI: Micromamba taking too long to resolve the environments in the CI
#61531 closed
Jun 13, 2025 -
BUG: Boolean Series (actually object) with <NA> values breaks ~ negation and reverts to bit-wise operations
#60049 closed
Jun 13, 2025 -
ENH: Infer column dtype when constructing object with pd.NA
#58366 closed
Jun 13, 2025 -
BUG: Dangerous inconsistency: `~` operator changes behavior based on context outside a target.
#61598 closed
Jun 13, 2025 -
BUG: `explode()` converts timestamps at millisecond resolution in DatetimeIndex to nanosecond resolution
#61610 closed
Jun 11, 2025 -
BUG: duplicated() raises error with singlton set as subset
#61554 closed
Jun 11, 2025 -
RLS: 2.3
#59664 closed
Jun 8, 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
54 Issues opened by 44 people
-
BUG: StringDtype objects from pandas <2.3.0 cannot be reliably unpickled in 2.3.0.
#61763 opened
Jul 2, 2025 -
BUG: user expected pd.isna to be False for NaNs with Float64Dtype
#61758 opened
Jul 2, 2025 -
PERF: Arrow dtypes are much slower than Numpy for DataFrame.apply
#61747 opened
Jun 30, 2025 -
CLN: references/tests for item_cache
#61746 opened
Jun 30, 2025 -
CI Failures due to new scipy and new numpydoc
#61740 opened
Jun 29, 2025 -
Removal of members from pandas-triage team
#61734 opened
Jun 29, 2025 -
BUG: `read_csv()` : inconsistent dtype and content parsing.
#61730 opened
Jun 28, 2025 -
DOC: https://pandas.pydata.org/pandas-docs/version/2.3 does not work
#61721 opened
Jun 27, 2025 -
BUG: mapping categorical with single category to boolean returns category instead of bool dtype
#61719 opened
Jun 27, 2025 -
BUG: doing df.to_parquet and then reading it with pd.read_parquet causes KeyError
#61714 opened
Jun 26, 2025 -
BUG: Inconsitent behaviour for different backends due to nullable bool values
#61713 opened
Jun 26, 2025 -
BUG: .round causes TypeError / NaN-
#61712 opened
Jun 26, 2025 -
Writing data to mysql database using df.to_sql method gives exception
#61711 opened
Jun 26, 2025 -
BUG: Index[Float64].insert(1, False) casts False to 0
#61709 opened
Jun 26, 2025 -
BUG: .describe() doesn't work for EAs
#61707 opened
Jun 25, 2025 -
ENH: When read_csv reports an error, include the column name and row number
#61700 opened
Jun 24, 2025 -
ENH: Add prefix, suffix and sep arguments to shift method
#61696 opened
Jun 23, 2025 -
ENH: Add `excel_sep_hint` parameter to `to_csv` for Excel compatibility
#61692 opened
Jun 23, 2025 -
Proposal: Add pd.check(df) utility function for quick dataset diagnostics
#61691 opened
Jun 23, 2025 -
BUG: Merge duplicates and validation failure when columns have type int64 and uint64
#61688 opened
Jun 22, 2025 -
BUG: DataFrame.mul() corrupts data by setting values to zero
#61687 opened
Jun 22, 2025 -
Incorrect rolling std() results on very large DataFrames
#61677 opened
Jun 18, 2025 -
BUG: Implicit conversion to float64 with isin()
#61676 opened
Jun 18, 2025 -
BUG: DataFrame.join(other) raises InvalidIndexError if column index is CategoricalIndex
#61675 opened
Jun 18, 2025 -
BUG: np.nan to datetime assertionerror when too large datetime given
#61671 opened
Jun 16, 2025 -
ENH: Switch to trusted publishing for package upload to PyPI in CI
#61669 opened
Jun 16, 2025 -
BUG: pd.read_sql is incorrectly reading long int when connecting to Teradata
#61667 opened
Jun 16, 2025 -
DOC: Improve documentation for DataFrame.__setitem__ and .loc assignment from Series
#61662 opened
Jun 15, 2025 -
BUG: Type error supplying SQLAlchemy NVARCHAR length in to_sql()
#61660 opened
Jun 14, 2025 -
BUG: replace value failed
#61643 opened
Jun 13, 2025 -
BUG: `to_numeric` fails to convert a Pyarrow Decimal series containing NA values.
#61641 opened
Jun 12, 2025 -
BUG: Groupby aggregate coersion of outputs inconsistency for pyarrow dtypes
#61636 opened
Jun 12, 2025 -
ENH: ExcelWriter append or create mode
#61634 opened
Jun 11, 2025 -
DOC: warn about apply with raw=True, if function returns Optional[int]
#61632 opened
Jun 11, 2025 -
BUG: PerformanceWarning when agg with pd.NamedAgg and as_index=False
#61628 opened
Jun 10, 2025 -
BUG: the behavior of DataFrameGroupBy.apply(..., include_groups=True) breaks post-mortem debugging
#61627 opened
Jun 10, 2025 -
BUG: CoW - eq not implemented for <class 'pandas.core.internals.blocks.ExtensionBlock'>
#61622 opened
Jun 10, 2025 -
BUG: infer_dtype result for float with embedded pd.NA
#61621 opened
Jun 10, 2025 -
API: New global option to set the default dtypes to use
#61620 opened
Jun 10, 2025 -
Moving to PyArrow dtypes by default
#61618 opened
Jun 9, 2025 -
BUG: numpy_nullable NaNs do not round-trip through CSV
#61617 opened
Jun 9, 2025 -
CI: New NumPy release breaking Numba in our CI
#61616 opened
Jun 9, 2025 -
QST: Subject: User Experience Issue - NumPy Types in DataFrame Results Breaking Readability
#61607 opened
Jun 8, 2025 -
BUG: Writing UUIDs fail
#61602 opened
Jun 7, 2025 -
VOTE: Voting issue for PDEP-15: Reject adding PyArrow as a required dependency
#61596 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 -
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: 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: Inconsistent behavior surrounding pd.fillna
#61568 opened
Jun 5, 2025
98 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.
-
Implemented NumbaExecutionEngine
#61487 commented on
Jul 3, 2025 • 22 new comments -
BUG: Fix Series.str.zfill for ArrowDtype string arrays #61485
#61533 commented on
Jun 16, 2025 • 11 new comments -
ENH: Support Plugin Accessors Via Entry Points
#61499 commented on
Jun 27, 2025 • 10 new comments -
BUG: Fix Index.equals between object and string
#61541 commented on
Jun 26, 2025 • 6 new comments -
ENH: Implement PDEP-17
#61468 commented on
Jun 26, 2025 • 6 new comments -
API: Replace na_action parameter in Series/DataFrame/Index.map by the standard skipna
#61530 commented on
Jun 24, 2025 • 3 new comments -
ExtensionArray.Round method and tests
#54582 commented on
Jun 18, 2025 • 2 new comments -
BUG: Fix pivot_table margins to include NaN groups when dropna=False
#61524 commented on
Jul 1, 2025 • 1 new comment -
PDEP-15: Reject PDEP-10
#58623 commented on
Jul 1, 2025 • 1 new comment -
BUG: Add fillna at the beginning of _where not to fill NA. #60729
#60772 commented on
Jun 27, 2025 • 1 new comment -
Fix #60766:.map,.apply would convert element type for extension array
#61396 commented on
Jun 20, 2025 • 1 new comment -
ENH: generic `save` and `read` methods for DataFrame
#60786 commented on
Jul 1, 2025 • 0 new comments -
TRACKER: new default String dtype (pyarrow-backed, numpy NaN semantics)
#54792 commented on
Jul 2, 2025 • 0 new comments -
BUG: DataFrameGroupBy.__getitem__ fails with tuples on multi-level column objects
#58282 commented on
Jul 2, 2025 • 0 new comments -
BUG: incompatible dtype when creating bool column with df.at
#56600 commented on
Jul 2, 2025 • 0 new comments -
ENH: Replacing behavior currently provided by pandas.to_numeric using errors="ignore"
#59221 commented on
Jul 2, 2025 • 0 new comments -
BUG: Series.mul silently returns wrong values with `UInt8` dtype when overflowing the max value range
#59261 commented on
Jul 2, 2025 • 0 new comments -
ENH: Restore the functionality of `.fillna`
#59831 commented on
Jul 2, 2025 • 0 new comments -
BUG: Incorrect logical operation between pandas dataframe and series
#60204 commented on
Jul 2, 2025 • 0 new comments -
ENH: add option to save json without escaping forward slashes
#61442 commented on
Jul 1, 2025 • 0 new comments -
ENH: read_csv tz option
#61535 commented on
Jul 1, 2025 • 0 new comments -
BUG: set_index with pyarrow timestamp type does not produce DatetimeIndex
#60561 commented on
Jul 1, 2025 • 0 new comments -
BUG: Converting string of type lxml.etree._ElementUnicodeResult to a datetime using pandas.to_datetime results in a TypeError.
#60933 commented on
Jul 1, 2025 • 0 new comments -
ENH: Decimal year
#60391 commented on
Jul 1, 2025 • 0 new comments -
ENH: Adding pd.from_pydantic
#61513 commented on
Jun 30, 2025 • 0 new comments -
Request for guidance on issues for upcoming PyData Yerevan pandas sprint
#61347 commented on
Jun 30, 2025 • 0 new comments -
BUG: dtype keyword in Series constructor ignored for Series input in certain cases
#59060 commented on
Jun 29, 2025 • 0 new comments -
ENH: Make ExtensionArray a Protocol
#57633 commented on
Jun 29, 2025 • 0 new comments -
QST: Why is subtracting pandas.timedelta from pandas.date not vectorized?
#58315 commented on
Jun 29, 2025 • 0 new comments -
ENH: read_parquet as a class method
#58303 commented on
Jun 29, 2025 • 0 new comments -
DOC: Fix docs for BusinessDay constructor #52431
#61543 commented on
Jun 25, 2025 • 0 new comments -
ENH: Add `force_suffixes` boolean argument to `pd.merge`
#61498 commented on
Jul 2, 2025 • 0 new comments -
BUG: Fixed issue where rolling.kurt() calculations would be effected by values outside of scope
#61481 commented on
Jun 25, 2025 • 0 new comments -
BUG: Raise ValueError on integer indexers containing NA; skip test for unsupported EAs(#56727)
#61465 commented on
Jun 25, 2025 • 0 new comments -
ENH: Added `DataFrame.nsorted` to select top ``n`` rows according to column-dependent order
#61457 commented on
Jun 19, 2025 • 0 new comments -
BUG: Raise TypeError when joining with non-DataFrame using 'on=' (GH#61434)
#61454 commented on
Jun 25, 2025 • 0 new comments -
ENH: Implemented MultiIndex.searchsorted method ( GH14833)
#61435 commented on
Jun 19, 2025 • 0 new comments -
Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)
#61381 commented on
Jun 25, 2025 • 0 new comments -
ENH: Implement translations infrastructure
#61380 commented on
Jul 2, 2025 • 0 new comments -
[WIP] ENH: support reading directory in read_csv
#61275 commented on
Jul 3, 2025 • 0 new comments -
BUG: Fix scatter plot colors in groupby context to match line plot behavior (#59846)
#61233 commented on
Jun 19, 2025 • 0 new comments -
BUG: Fix #61221: Exception with unstack(sort=False) and NA in index.
#61226 commented on
Jun 16, 2025 • 0 new comments -
BUG: fix to_json on period
#61203 commented on
Jun 17, 2025 • 0 new comments -
ENH, DOC: Add JupyterLite-powered interactive examples for the `pandas` documentation
#61061 commented on
Jun 6, 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 11, 2025 • 0 new comments -
BUG: "Python int too large" in maybe_convert_objects with numpy 1.26
#60023 commented on
Jul 3, 2025 • 0 new comments -
DEPR: List of deprecations to be removed in 4.0
#56596 commented on
Jul 3, 2025 • 0 new comments -
BUG/API: preserve dtype in Index `append()`
#60159 commented on
Jul 2, 2025 • 0 new comments -
QST: Should the absence of tzdata package affect the performance in any way ?
#61218 commented on
Jun 29, 2025 • 0 new comments -
BUG: `Index.drop_duplicates()` is inconsistent for unhashable values
#60925 commented on
Jun 22, 2025 • 0 new comments -
BUG: Can only compare identically-labeled Series objects (string vs. object)
#61099 commented on
Jun 22, 2025 • 0 new comments -
DOC: Fix docs for various offset constructors
#52431 commented on
Jun 22, 2025 • 0 new comments -
BUG: DataFrame.sample weights not required to sum to less than 1
#61516 commented on
Jun 21, 2025 • 0 new comments -
BUG: concatenating time series with non ns unit leads to dataframe with missing data
#58471 commented on
Jun 21, 2025 • 0 new comments -
BUG: `pandas.Styler.__repr__` and `pandas.Styler.__str__` cause `nbconvert` failure to display data
#55908 commented on
Jun 17, 2025 • 0 new comments -
BUG: round not functioning as expected
#55114 commented on
Jun 17, 2025 • 0 new comments -
CLN: Use dedup_names in all instances where duplicate column names are renamed
#50371 commented on
Jun 16, 2025 • 0 new comments -
Use BaseExecutionEngine for Python and Numba engines
#61458 commented on
Jun 15, 2025 • 0 new comments -
BUG: mix of int and pd.NA defaults to object dtype
#33662 commented on
Jun 13, 2025 • 0 new comments -
ENH: Enable nsmallest/nlargest on object dtype
#61166 commented on
Jun 12, 2025 • 0 new comments -
BUG: Series.str.isdigit with pyarrow dtype doesn't honor unicode superscripts
#61466 commented on
Jun 11, 2025 • 0 new comments -
pd.crosstab, categorical data and missing instances
#16367 commented on
Jun 10, 2025 • 0 new comments -
DOC: Generating docs doesn't work if path has whitespaces
#22836 commented on
Jun 10, 2025 • 0 new comments -
ENH: Python 3.13 free-threading support
#59057 commented on
Jun 9, 2025 • 0 new comments -
BUG: join unexpectedly created extra column start with "key_"
#61294 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 -
"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 -
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 -
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 -
ENH: speed up `DataFrame.plot` using `LineCollection`
#61532 commented on
Jun 4, 2025 • 0 new comments -
DOC: Simplify pandas theme footer
#51536 commented on
Jun 3, 2025 • 0 new comments -
BUG: arithmetic between datetime.timedelta scalar and series produces timedelta64[us] instead of timedelta64[ns]
#59656 commented on
Jun 29, 2025 • 0 new comments -
BUG: Segfault on `np.maximum(series, ...)`
#60611 commented on
Jun 29, 2025 • 0 new comments -
BUG: why arrow only work on mac arm?
#60714 commented on
Jun 29, 2025 • 0 new comments -
Support for Storing and Retrieving Complex Data Types (e.g., Embeddings) in Pandas DataFrames
#60895 commented on
Jun 29, 2025 • 0 new comments -
ENH: Add an iterdicts() function
#60901 commented on
Jun 29, 2025 • 0 new comments -
ENH: Automate reading of data in chunks
#61110 commented on
Jun 29, 2025 • 0 new comments -
ENH: The method of obtaining a certain cell or slice of the dataframe is confusing and unclear
#61232 commented on
Jun 29, 2025 • 0 new comments -
ENH: Utility to return "feasible" dtype for `infer_dtype` output.
#61256 commented on
Jun 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
Jun 29, 2025 • 0 new comments -
BUG: pre-commit version 4.0.0 is required
#61328 commented on
Jun 29, 2025 • 0 new comments -
ENH: read_xml handling of bad lines
#59384 commented on
Jun 29, 2025 • 0 new comments -
ENH: read_xml() does not allow to specify huge_tree=True for the 'lxml' parser.
#61290 commented on
Jun 29, 2025 • 0 new comments -
BUG: pandas read_xml with iterparse and stylesheets silently ignores stylesheets
#58857 commented on
Jun 29, 2025 • 0 new comments -
ENH: Implement `skiptrailingspace` parameter for `read_csv`
#60813 commented on
Jun 28, 2025 • 0 new comments -
FEEDBACK: PyArrow as a required dependency and PyArrow backed strings
#54466 commented on
Jun 27, 2025 • 0 new comments -
BUG: read_csv not guessing delimiter
#47024 commented on
Jun 27, 2025 • 0 new comments -
ENH: add `__rshift__`, `__lshift__`, `__irshift__` and `__ilshift__`
#60693 commented on
Jun 25, 2025 • 0 new comments -
ENH: Add `coalesce_keys` option to join
#61033 commented on
Jun 25, 2025 • 0 new comments -
ENH: allow pd.merge() variables right_on and left_on to accept pd.Index() array_likes
#58279 commented on
Jun 25, 2025 • 0 new comments -
ENH: read_csv with usecols shouldn't change column order
#61386 commented on
Jun 24, 2025 • 0 new comments -
API: timestamp resolution inference - default to one unit (if possible) instead of being data-dependent?
#58989 commented on
Jun 23, 2025 • 0 new comments -
raise TypeError when function returns object-like results
#61529 commented on
Jun 23, 2025 • 0 new comments -
BUG: use of iloc with heterogeneous DataFrame sometimes performs undocumented conversions
#61537 commented on
Jun 23, 2025 • 0 new comments -
ENH: Columns formatted as "Text" in Excel are read as numbers
#61539 commented on
Jun 23, 2025 • 0 new comments