38 Pull requests merged by 17 people

• DOC: Update a link in tutorials.rst

  #60787 merged Jan 25, 2025

• Backport PR #60784 on branch 2.3.x (TST(string_dtype): Fix minor issue with CSV parser and column dtype)

  #60785 merged Jan 25, 2025

• TST(string_dtype): Fix minor issue with CSV parser and column dtype

  #60784 merged Jan 24, 2025

• [backport 2.3.x] CI: Test Github Actions Arm64 Runners (#60722)

  #60780 merged Jan 24, 2025

• Backport PR #60711: TST(string dtype): Resolve xfail in groupby.test_…

  #60782 merged Jan 24, 2025

• [backport 2.3.x] TST(string dtype): Fix xfails in test_block_internals.py (#60765)

  #60781 merged Jan 24, 2025

• TST(string dtype): Resolve xfail in groupby.test_size

  #60711 merged Jan 24, 2025

• TST(string dtype): Fix xfails in test_block_internals.py

  #60765 merged Jan 24, 2025

• PERF: Avoid a numpy array copy in ArrowExtensionArray._to_datetimearray

  #60778 merged Jan 24, 2025

• DOC: fix SA01 for pandas.tseries.offsets.LastWeekOfMonth

  #60776 merged Jan 23, 2025

• DOC: fix ES01,SA01 for pandas.tseries.offsets.CustomBusinessMonthEnd.…

  #60775 merged Jan 23, 2025

• [backport 2.3.x] ENH: Enable pytables to round-trip with StringDtype (#60663)

  #60771 merged Jan 23, 2025

• TST (string dtype): follow-up fix for pyarrow 19.0 update

  #60764 merged Jan 23, 2025

• ENH: Enable pytables to round-trip with StringDtype

  #60663 merged Jan 23, 2025

• ENH: Series.str.get_dummies() raise on string type (follow up to PR #59577)

  #59786 merged Jan 22, 2025

• BUG: Fixed TypeError for Series.isin() when large series and values contains NA (#60678)

  #60736 merged Jan 22, 2025

• [backport 2.3.x] API(str dtype): Raise on StringDtype for unary op + (#60710)

  #60763 merged Jan 22, 2025

• DOC: add SPSS comparison guide structure

  #60738 merged Jan 22, 2025

• Backport PR #60718 on branch 2.3.x (DOC: Whatsnew for sorting mode result)

  #60760 merged Jan 22, 2025

• Miscellaneous updates for Pyodide 0.27: bump WASM CI and revise Arrow compatibility note

  #60756 merged Jan 22, 2025

• DOC: Whatsnew for sorting mode result

  #60718 merged Jan 22, 2025

• DOC: fix RT03,SA01 for pandas.plotting.andrews_curves

  #60759 merged Jan 22, 2025

• DOC: fix PR07,SA01 for pandas.arrays.TimedeltaArray

  #60757 merged Jan 22, 2025

• [backport 2.3.x] ENH: Enable .mode to sort with NA values (#60702)

  #60754 merged Jan 22, 2025

• [backport 2.3.x] ENH: Implement cum* methods for PyArrow strings (#60633)

  #60753 merged Jan 22, 2025

• [backport 2.3.x] Update PyArrow conversion and arrow/parquet tests for pyarrow 19.0 (#60716)

  #60755 merged Jan 22, 2025

• API(str dtype): Raise on StringDtype for unary op +

  #60710 merged Jan 22, 2025

• Update PyArrow conversion and arrow/parquet tests for pyarrow 19.0

  #60716 merged Jan 22, 2025

• CI: Rename ubuntu unit test jobs

  #60751 merged Jan 22, 2025

• Fix group_sum NaN comparison warnings

  #60749 merged Jan 21, 2025

• CI: Test Github Actions Arm64 Runners

  #60722 merged Jan 21, 2025

• DOC: Add line clarifying sorting using sort_values()

  #60734 merged Jan 21, 2025

• ENH: Support skipna parameter in GroupBy mean and sum

  #60741 merged Jan 21, 2025

• DOC: Clarify deprecation warning for iloc

  #60745 merged Jan 21, 2025

• DOC: Fix typo "numpy.ndarray.putmask"

  #60731 merged Jan 21, 2025

• ENH: pandas.api.interchange.from_dataframe now uses the Arrow PyCapsule Interface if available, only falling back to the Dataframe Interchange Protocol if that fails

  #60739 merged Jan 21, 2025

• Backport PR #60713: TST(string dtype): Resolve xfail in test_base.py

  #60742 merged Jan 21, 2025

• DOC: fix ES01 for pandas.read_feather

  #60746 merged Jan 21, 2025

11 Pull requests opened by 10 people

• ENH: Add `Styler.to_typst()`

  #60733 opened Jan 19, 2025

• BUG: Ensure to_datetime raises errors for out-of-bounds scalar inputs

  #60744 opened Jan 21, 2025

• refactor: deprecate usage of `cursor.execute` statements in favor of the in class implementation of `execute`.

  #60748 opened Jan 21, 2025

• ENH: Support skipna parameter in GroupBy min, max, prod, median, var, std and sem methods

  #60752 opened Jan 22, 2025

• Add a JupyterLite-powered interactive shell for the `pandas` website (reprise of #47428)

  #60758 opened Jan 22, 2025

• CI: Remove CircleCI in favor of GHA ARM builds

  #60761 opened Jan 22, 2025

• CI: Update some CI configurations

  #60762 opened Jan 22, 2025

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

  #60772 opened Jan 23, 2025

• Fix arrow groupby na

  #60777 opened Jan 23, 2025

• Update boxplot.py

  #60783 opened Jan 24, 2025

• TST(string dtype): Resolve pytable xfails

  #60789 opened Jan 26, 2025

7 Issues closed by 4 people

• BUG: arrow backend get wrong result

  #60770 closed Jan 25, 2025

• BUG: datetime64 column has incorrect unit when created with pd.Timestamp

  #60773 closed Jan 23, 2025

• BUG: value_counts() method in panda Series

  #60769 closed Jan 23, 2025

• BUG: boolean series .isin([pd.NA])] inconsistent for series length

  #60678 closed Jan 22, 2025

• DOC: Add comparison with SPSS

  #60727 closed Jan 22, 2025

• BUG: DataFrame.sort_values() by 2 columns and a key function produces incorrect results

  #60673 closed Jan 21, 2025

• BUG: cannot use random.choice on index in python 3.11.0

  #60743 closed Jan 21, 2025

10 Issues opened by 9 people

• ENH: generic `save` and `from_file` methods on DataFrame

  #60786 opened Jan 25, 2025

• BUG: pd.read_csv Incorrect Checksum validation for COMPOSITE Checksum

  #60779 opened Jan 24, 2025

• BUG: datetime64 column type fails parquet round trip

  #60774 opened Jan 23, 2025

• BUG: crosstab(aggfunc='skew') raises IndexError: single positional indexer is out-of-bounds

  #60768 opened Jan 23, 2025

• BUG: pd.crosstab(dropna=True, values=) drops rows and columns where any aggregation result is null.

  #60767 opened Jan 22, 2025

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

  #60766 opened Jan 22, 2025

• BUG: `pd.Series.isnumeric()` doesn't work on decimal value strings

  #60750 opened Jan 21, 2025

• DOC: Reinstate the JupyterLite-based live shell for the pandas website

  #60747 opened Jan 21, 2025

• BUG: stack with future_stack=True and empty list

  #60740 opened Jan 20, 2025

• BUG: The `.to_sql()` of `dtype` argument does not strictly ensure the column name and datatype

  #60737 opened Jan 20, 2025

28 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.

• Fix BUG: read_sql tries to convert blob/varbinary to string with pyarrow backend

  #60105 commented on Jan 21, 2025 • 6 new comments

• Use PyWeakref_GetRef and critical section in BlockValuesRefs

  #60540 commented on Jan 24, 2025 • 3 new comments

• TST (string dtype): resolve xfails for frame methods

  #60336 commented on Jan 22, 2025 • 3 new comments

• [WIP] `df.apply`: add support for `engine='bodo'`

  #60622 commented on Jan 24, 2025 • 2 new comments

• feat: Implement option 'delete_rows' of argument 'if_exists' in 'DataFrame.to_sql' API.

  #60376 commented on Jan 23, 2025 • 2 new comments

• ENH: Support 'left_anti' and 'right_anti' joins in pd.merge

  #60732 commented on Jan 22, 2025 • 1 new comment

• ENH(string dtype): Make str.decode return str dtype

  #60709 commented on Jan 25, 2025 • 1 new comment

• TST(string dtype): Resolve xfails in test_from_dummies

  #60694 commented on Jan 25, 2025 • 1 new comment

• Relax meson pins in CI and Fix Missed Warnings

  #60681 commented on Jan 23, 2025 • 0 new comments

• ENH: removed median percentile to be always included in describe GH #60550

  #60557 commented on Jan 19, 2025 • 0 new comments

• ENH: Add table prefixes to to_sql method

  #60409 commented on Jan 22, 2025 • 0 new comments

• BUG (string dtype): comparison of string column to mixed object column fails #60228 (fixed)

  #60392 commented on Jan 24, 2025 • 0 new comments

• BUG: Copy attrs on pd.merge()

  #60357 commented on Jan 22, 2025 • 0 new comments

• [TST] Parse arrow_dtype as datetime index

  #60097 commented on Jan 22, 2025 • 0 new comments

• Backport PR #59906 on branch 2.3.x (BLD: Fix armv7 build)

  #59937 commented on Jan 19, 2025 • 0 new comments

• BUG: Series constructor from dictionary drops key (index) levels when not all keys have same number of entries

  #60695 commented on Jan 24, 2025 • 0 new comments

• BUG: CustomBusinessDay not respecting calendar

  #60647 commented on Jan 24, 2025 • 0 new comments

• BUG: When using to_excel() columns with Date Format are converting in Excel to 'General Format.

  #59882 commented on Jan 23, 2025 • 0 new comments

• API: creating DataFrame with no columns: object vs string dtype columns?

  #60338 commented on Jan 23, 2025 • 0 new comments

• BUG: Series.mask incorrectly replaces positions of pd.NA in the cond argument

  #60729 commented on Jan 22, 2025 • 0 new comments

• ENH: Make pd.Timestamp.astimezone() default to local timezone

  #60692 commented on Jan 22, 2025 • 0 new comments

• BUG: why arrow only work on mac arm？

  #60714 commented on Jan 22, 2025 • 0 new comments

• BUG: `csv.QUOTE_NOTNULL` doesn't seem to be supported by `DataFrame.to_csv()`, but there's no error and it's not documented

  #60423 commented on Jan 22, 2025 • 0 new comments

• ENH: enable skipna on groupby reduction ops

  #15675 commented on Jan 21, 2025 • 0 new comments

• ENH: Add support for executing UDF's using Bodo as the engine

  #60668 commented on Jan 21, 2025 • 0 new comments

• BUG: scalar out of bounds input does not raise for to_datetime

  #60677 commented on Jan 21, 2025 • 0 new comments

• BUG: quoting=csv.QUOTE_NONNUMERIC adds extra decimal places

  #60699 commented on Jan 20, 2025 • 0 new comments

• DOC: floating point precision on writing/reading to csv

  #13159 commented on Jan 20, 2025 • 0 new comments