4 Pull requests merged by 4 people

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

  #61393 merged May 7, 2025

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

  #61400 merged May 6, 2025

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

  #61397 merged May 5, 2025

• DOC: add api.types.is_dtype_equal into document

  #61394 merged May 3, 2025

4 Pull requests opened by 4 people

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

  #61391 opened May 2, 2025

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

  #61396 opened May 3, 2025

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

  #61399 opened May 6, 2025

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

  #61404 opened May 7, 2025

6 Issues closed by 3 people

• BUG: guess_datetime_format cannot infer iso 8601 format

  #61403 closed May 7, 2025

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

  #61019 closed May 7, 2025

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

  #61389 closed May 6, 2025

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

  #59769 closed May 6, 2025

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

  #60905 closed May 3, 2025

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

  #61395 closed May 3, 2025

8 Issues opened by 8 people

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

  #61405 opened May 8, 2025

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

  #61402 opened May 7, 2025

• ENH: access sliced dataframe from rolling.cov

  #61401 opened May 6, 2025

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

  #61398 opened May 6, 2025

• DOC: Issue with the general expressiveness of the docs

  #61392 opened May 2, 2025

• TYP: `npt._ArrayLikeInt_co` does not exist

  #61387 opened May 1, 2025

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

  #61386 opened May 1, 2025

• BUG: to_sql works only for strings

  #61385 opened May 1, 2025

37 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• DOC: User Guide Page on user-defined functions

  #61195 commented on May 5, 2025 • 8 new comments

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

  #61384 commented on May 4, 2025 • 1 new comment

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

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

• ENH: Explicitly opt out of pytz support

  #60025 commented on May 8, 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: Added deprecation warning to Timestamp constructor

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

• BUG: fix to_json on period

  #61203 commented on May 4, 2025 • 0 new comments

• ENH: Create infrastructure for translations

  #61220 commented on May 8, 2025 • 0 new comments

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

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

• BUG: Impossible creation of array with dtype=string

  #61263 commented on May 7, 2025 • 0 new comments

• [WIP] ENH: support reading directory in read_csv

  #61275 commented on May 6, 2025 • 0 new comments

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

  #61320 commented on May 3, 2025 • 0 new comments

• DEPS: Clean unused dependencies

  #61331 commented on May 6, 2025 • 0 new comments

• Fix #61072: inconsistent fullmatch results with regex alternation

  #61343 commented on May 6, 2025 • 0 new comments

• TST: Testing for mixed int/str Index

  #61349 commented on May 7, 2025 • 0 new comments

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

  #61359 commented on May 2, 2025 • 0 new comments

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

  #61378 commented on May 1, 2025 • 0 new comments

• Update CI to include Translations from Scientific Python Repo

  #61380 commented on May 8, 2025 • 0 new comments

• ENH: Implement pandas.read_iceberg

  #61383 commented on May 5, 2025 • 0 new comments

• ENH: re-implement DataFrame.lookup.

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

• BUG: CustomBusinessDay not respecting calendar

  #60647 commented on May 1, 2025 • 0 new comments

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

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

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

  #61382 commented on May 3, 2025 • 0 new comments

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

  #61365 commented on May 4, 2025 • 0 new comments

• TST: mixed_int_string Index

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

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

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

• DOC: Development on Gitpod have problems

  #59459 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

• ENH: `DatetimeIndex.set_freq()`

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

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

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

• GraphQL support / accessor plugin system

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

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

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

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

  #60786 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

• TST: test_setitem_integer_with_missing_raises contains duplicate parametrization

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

• TST: tests for tm.shares_memory

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

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

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