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

3,650 Open 23,855 Closed
3,650 Open 23,855 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
Assigned to nobody Loading
Sort
Sort by
Newest Oldest Most commented Least commented Recently updated Least recently updated Best match
Most reactions
👍 👎 😄 🎉 😕 ❤️ 🚀 👀

Issues list

ENH: The method of obtaining a certain cell or slice of the dataframe is confusing and unclear Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61232 opened Apr 4, 2025 by zyy37
1 of 3 tasks
2
BUG: PyArrow timestamp type does not work with map() function Apply Apply, Aggregate, Transform, Map Arrow pyarrow functionality Bug
#61231 opened Apr 4, 2025 by dbalabka
3 tasks done
2
@KevsterAmp @arthurlw
3
ENH: The row and column indexing mechanism of your dataframe is inefficient, leading to errors and unnecessary time consumption Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61230 opened Apr 4, 2025 by zyy37
1 of 3 tasks
3
BUG: setting item to iterable with .at fails when column doesn't exist or has wrong dtype Bug Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#61223 opened Apr 3, 2025 by jbogar
2 of 3 tasks
6
BUG: Exception with unstack(sort=False) and NA in index Bug ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#61221 opened Apr 3, 2025 by jlumpe
2 of 3 tasks
1
2
QST: Should the absence of tzdata package affect the performance in any way ? Needs Info Clarification about behavior needed to assess issue Usage Question
#61218 opened Apr 2, 2025 by sdg002
2 tasks done
3
ENH: Add ignore_empty and ignore_all_na arguments to pd.concat Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61210 opened Apr 1, 2025 by sergei3000
1 of 3 tasks
@gsmll
3
ENH: Consistent NA handling in unique(), and nunique() Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement Needs Discussion Requires discussion from core team before further action
#61209 opened Mar 31, 2025 by olek-osikowicz
1 of 3 tasks
@HoqueUM
3
BUG: DataFrame.min with skipna=True raises TypeError when column contains np.nan and datetime.date Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reduction Operations sum, mean, min, max, etc.
#61204 opened Mar 31, 2025 by tanjt107
3 tasks done
@MayurKishorKumar @Mohit-Kundu
4
ENH: adding a filter (and bold) to header when writing to excel Enhancement IO Excel read_excel, to_excel
#61194 opened Mar 28, 2025 by simonaubertbd
1 of 3 tasks
@DhruvBShetty @janeq6
11
BUG: Boolean selection edge case. Bug Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#61191 opened Mar 27, 2025 by ptth222
2 of 3 tasks
2
BUG: engine calamine lost 0 when read_excel from vlookup cell Bug Closing Candidate May be closeable, needs more eyeballs IO Excel read_excel, to_excel Upstream issue Issue related to pandas dependency
#61186 opened Mar 27, 2025 by ryjfgjl
2 of 3 tasks
@chilin0525
5
BUG: Performance issue with fillna() after merging DataFrames Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Needs Info Clarification about behavior needed to assess issue Performance Memory or execution speed performance
#61180 opened Mar 26, 2025 by sjfakharian
2 of 3 tasks
2
BUG: Inconsistency when converting week PeriodIndex into DatetimeIndex with astype("datetime64[ns]") Bug Datetime Datetime data dtype Dtype Conversions Unexpected or buggy dtype conversions Needs Discussion Requires discussion from core team before further action Period Period data type
#61177 opened Mar 25, 2025 by dbalabka
3 tasks done
4
BUG: pd.read_csv() on empty files should give an empty dataframe pd.DataFrame() Bug Closing Candidate May be closeable, needs more eyeballs IO CSV read_csv, to_csv
#61172 opened Mar 24, 2025 by xuancong84
3 tasks done
1
@MartinBraquet
4
BUG: DataFrame.dtypes.to_json OverflowError: Maximum recursion level reached Bug IO JSON read_json, to_json, json_normalize
#61170 opened Mar 23, 2025 by Aliebc
3 tasks done
1
@GalkaKG
2
ENH: Enable nsmallest/nlargest on object dtype Enhancement Filters e.g. head, tail, nth Sorting e.g. sort_index, sort_values
#61166 opened Mar 22, 2025 by Gri72
1
@RutujaGhodake
24
ENH: merge_asof threshold minimum Enhancement Needs Discussion Requires discussion from core team before further action Needs Info Clarification about behavior needed to assess issue Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#61164 opened Mar 21, 2025 by Lituchy
1 of 3 tasks
6
ENH: Accept no fields for groupby by Enhancement Groupby Needs Discussion Requires discussion from core team before further action
#61160 opened Mar 21, 2025 by simonaubertbd
1 of 3 tasks
1
@udit710
10
BUILD: Cython.Compiler.Errors: 'free_threading_config.pxi' not found Build Library building on various platforms
#61156 opened Mar 20, 2025 by yohplala
1 task done
1
BUG: Inconsistent index type when using read_csv with string[pyarrow] dtype API - Consistency Internal Consistency of API/Behavior Bug IO CSV read_csv, to_csv Needs Discussion Requires discussion from core team before further action
#61145 opened Mar 19, 2025 by ptth222
2 of 3 tasks
4
BUG(?): rolling sum with pyarrow types results in float64 instead of preserving integer type Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions Window rolling, ewma, expanding
#61144 opened Mar 18, 2025 by MarcoGorelli
3 tasks done
4
BUG: DataFrame.from_records() ignores columns with iterator and nrows=0 Bug IO Data IO issues that don't fit into a more specific label
#61140 opened Mar 17, 2025 by jlumpe
2 of 3 tasks
1
1
Improve the apply/map APIs API - Consistency Internal Consistency of API/Behavior API Design Apply Apply, Aggregate, Transform, Map Needs Discussion Requires discussion from core team before further action
#61128 opened Mar 15, 2025 by datapythonista
@HoqueUM
6
ENH: Supporting third-party engines for all map and apply methods Apply Apply, Aggregate, Transform, Map
#61125 opened Mar 15, 2025 by datapythonista
13
ProTip! Type g p on any issue or pull request to go back to the pull request listing page.