Skip to content

Issues: pandas-dev/pandas

Beta
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

3,628 Open 23,802 Closed
3,628 Open 23,802 Closed
Author
Filter by author
Loading
Label
Filter by label
Loading
Use alt + click/return to exclude labels
or ⇧ + click/return for logical OR
Projects
Filter by project
Loading
Milestones
Filter by milestone
Loading
Assignee
Filter by who’s assigned
Sort
Sort by
Newest Oldest Most commented Least commented Recently updated Least recently updated Best match
Most reactions
👍 👎 😄 🎉 😕 ❤️ 🚀 👀

Issues list

BUG: read_hdf() doesn't handle datetime64[ms] properly Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61479 opened May 22, 2025 by a-ma72
3 tasks done
BUG: to_latex does not escape % with percent formatter Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61478 opened May 22, 2025 by stertingen
2 of 3 tasks
1
BUG: Pandas concat raises RuntimeWarning: '<' not supported between instances of 'int' and 'tuple', sort order is undefined for incomparable objects with multilevel columns Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61477 opened May 22, 2025 by ButteryPaws
3 tasks done
BUG: More Indicative Error when pd.melt with duplicate columns Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61475 opened May 21, 2025 by James-Lee-998
3 tasks done
BUG: dataframe.to_csv calls defauly numpy to_string function, resulting in Bug Closing Candidate May be closeable, needs more eyeballs IO CSV read_csv, to_csv
#61474 opened May 21, 2025 by mtscott321
3 tasks done
1
BUG: assert_frame_equal(check_dtype=False) fails when comparing two DFs containing pd.NA that only differ in dtype (object vs Int32) Bug ExtensionArray Extending pandas with custom dtypes or arrays. Needs Discussion Requires discussion from core team before further action Testing pandas testing functions or related to the test suite
#61473 opened May 21, 2025 by michiel-de-muynck
2 of 3 tasks
2
BUG: pandas.pivot_table margins, dropna and observed parameters not producing expected result Bug Needs Info Clarification about behavior needed to assess issue Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#61469 opened May 21, 2025 by hugotomasf
2 of 3 tasks
1
BUG: Series.str.isdigit with pyarrow dtype doesn't honor unicode superscripts Arrow pyarrow functionality Bug Strings String extension data type and string data
#61466 opened May 20, 2025 by GarrettWu
2 of 3 tasks
1
BUG: Decimal and float-to-int conversion issues with pyarrow ≥18.0.0 in parquet and Arrow dtype tests Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61464 opened May 19, 2025 by bhavya2109sharma
3 tasks done
3
PERF: Slow Windows / Ubuntu Unit Tests during Status Checks CI Continuous Integration Needs Discussion Requires discussion from core team before further action Performance Memory or execution speed performance Windows Windows OS
#61460 opened May 19, 2025 by MartinBraquet
3 tasks done
2
Use BaseExecutionEngine for Python and Numba engines Apply Apply, Aggregate, Transform, Map
#61458 opened May 19, 2025 by datapythonista
@arthurlw
4
PERF: Setting an item of incompatible dtype Indexing Related to indexing on series/frames, not to indexes themselves Needs Info Clarification about behavior needed to assess issue Performance Memory or execution speed performance
#61456 opened May 19, 2025 by muhannad125
2 of 3 tasks
1
ENH: add option to save json without escaping forward slashes Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61442 opened May 14, 2025 by ellisbrown
1 of 3 tasks
ENH: Broaden dict to Mapping as replace argument Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61440 opened May 14, 2025 by DavideCanton
1 of 3 tasks
4
BUG: Confusing Behavior When Assigning DataFrame Columns Using omegaconf.ListConfig Bug Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#61439 opened May 14, 2025 by Trezorro
2 of 3 tasks
2
BUG: Joining Pandas with Polars dataframe produces fuzzy errormessage Bug Error Reporting Incorrect or improved errors from pandas
#61434 opened May 12, 2025 by Juan-132
3 tasks done
1
7
BUG: Some ExtensionArrays can return 0-d Elements Bug ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#61433 opened May 12, 2025 by ilan-gold
2 of 3 tasks
4
BUG: documented usage of of str.split(...).str.get fails on dtype large_string[pyarrow] Bug Needs Discussion Requires discussion from core team before further action Strings String extension data type and string data
#61431 opened May 12, 2025 by SandroCasagrande
3 tasks done
5
ENH: access arrow-backed map as a python dictionary Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61427 opened May 10, 2025 by mikelui
2 of 3 tasks
BUG(string dtype): Arithmetic operations between Series with string dtype index API - Consistency Internal Consistency of API/Behavior Bug Needs Discussion Requires discussion from core team before further action Strings String extension data type and string data
#61425 opened May 10, 2025 by rhshadrach
@samruddhibaviskar11
2
BUG/FEATURE REQUEST: DataFrame.to_sql() tries to create table when it exists Bug IO SQL to_sql, read_sql, read_sql_query Needs Discussion Requires discussion from core team before further action Needs Info Clarification about behavior needed to assess issue
#61418 opened May 9, 2025 by vladidobro
2 of 3 tasks
4
ENH: The prompt message in the error does not bring any valid bug prompts Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61417 opened May 9, 2025 by pengjunfeng11
3 tasks
1
BUG: df.rolling.{std, skew, kurt} gives unexpected value Bug Window rolling, ewma, expanding
#61416 opened May 9, 2025 by Jie-Lei
3 tasks done
@eicchen
8
BUG: to_csv() quotechar/escapechar behavior differs from csv module Bug IO CSV read_csv, to_csv
#61407 opened May 8, 2025 by johnrtian
2 of 3 tasks
@KevsterAmp @omarraf
5
BUG: way to include all columns within a groupby apply Apply Apply, Aggregate, Transform, Map Bug Closing Candidate May be closeable, needs more eyeballs Groupby
#61406 opened May 8, 2025 by madelavar12
3 tasks done
4
ProTip! Follow long discussions with comments:>50.