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Issues list

BUG: join unexpectedly created extra column start with "key_" Bug Deprecate Functionality to remove in pandas Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#61294 opened Apr 15, 2025 by albb318
3 tasks done
@ShayanG9
7
BUG: Added deprecation warning to Timestamp constructor Deprecate Functionality to remove in pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Timestamp pd.Timestamp and associated methods
#61149 opened Mar 20, 2025 by j-hendricks Loading…
1 of 5 tasks
3.0
1
9
DEPR: Make dtype="category" always imply ordered=False Categorical Categorical Data Type Deprecate Functionality to remove in pandas
#61074 opened Mar 7, 2025 by mroeschke
1
@ZanirP
2
BUG: df.astype converts to datetime64[ns] inconsistently with respect to dayfirst Bug datetime.date stdlib datetime.date support Deprecate Functionality to remove in pandas
#60964 opened Feb 19, 2025 by cgflex
3 tasks done
@Anurag-Varma
10
API: future.default_arg for method-specific behavior changes API Design Deprecate Functionality to remove in pandas Needs Discussion Requires discussion from core team before further action
#60593 opened Dec 20, 2024 by rhshadrach
11
DEPR: future.no_silent_downcasting option Deprecate Functionality to remove in pandas Dtype Conversions Unexpected or buggy dtype conversions
#59502 opened Aug 13, 2024 by jbrockmendel
3 tasks done
1
1
DEPR: keep_default_dates and convert_dates in read_json Deprecate Functionality to remove in pandas Dtype Conversions Unexpected or buggy dtype conversions IO JSON read_json, to_json, json_normalize
#59161 opened Jul 1, 2024 by mroeschke
6
BUG: from_dict() hidden (correct) behavior not aligned with documentation and typing: accepts and processes lists of dicts Bug Deprecate Functionality to remove in pandas IO Data IO issues that don't fit into a more specific label
#58862 opened May 29, 2024 by pmaier-bhs
2 of 3 tasks
3
BUG: In main, using resample().interpolate(inplace=True) raises an exception Bug Deprecate Functionality to remove in pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Resample resample method
#58690 opened May 12, 2024 by Dr-Irv
3 tasks done
1
9
DEPR: ExcelFile.parse Deprecate Functionality to remove in pandas IO Excel read_excel, to_excel Needs Discussion Requires discussion from core team before further action
#58247 opened Apr 13, 2024 by rhshadrach
11
Deprecate accepting None in pd.concat Deprecate Functionality to remove in pandas Needs Discussion Requires discussion from core team before further action Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#57846 opened Mar 14, 2024 by twoertwein
1
3
DEPR: rename startingMonth to starting_month (argument in BQuarterBegin) Deprecate Functionality to remove in pandas Frequency DateOffsets
#57794 opened Mar 10, 2024 by MarcoGorelli
1
@gboeker
1
DEPR: groupby.idxmin/idxmax will all NA values Deprecate Functionality to remove in pandas Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reduction Operations sum, mean, min, max, etc.
#57745 opened Mar 6, 2024 by rhshadrach 4.0
2
Deprecate future.no_silent_downcasting Deprecate Functionality to remove in pandas
#57403 opened Feb 13, 2024 by phofl 3.0
3
BUG: FutureWarning when splitting a dataframe using np.split Blocker Blocking issue or pull request for an upcoming release Compat pandas objects compatability with Numpy or Python functions Deprecate Functionality to remove in pandas Regression Functionality that used to work in a prior pandas version
#57351 opened Feb 11, 2024 by amanlai
2 of 3 tasks
3.0
13
DEPR: pd.concat special cases DatetimeIndex to sort even when sort=False Deprecate Functionality to remove in pandas Needs Discussion Requires discussion from core team before further action Reshaping Concat, Merge/Join, Stack/Unstack, Explode Sorting e.g. sort_index, sort_values
#57335 opened Feb 10, 2024 by lukemanley 3.0
8
DEPR: rename offset alias ‘MS’ to ‘MB’ Deprecate Functionality to remove in pandas Frequency DateOffsets Needs Discussion Requires discussion from core team before further action
#56840 opened Jan 11, 2024 by natmokval
11
DEPR: EA._pad_or_backfill not having a limit_area argument Deprecate Functionality to remove in pandas ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#56729 opened Jan 4, 2024 by rhshadrach
@rhshadrach
ENH: Need new semantics for selecting parquet engine in Pandas 3 Blocked Deprecate Functionality to remove in pandas IO Parquet parquet, feather
#56642 opened Dec 27, 2023 by davetapley
1 of 3 tasks
3.0
4
DEPR: List of deprecations to be removed in 4.0 Deprecate Functionality to remove in pandas
#56596 opened Dec 22, 2023 by phofl
23 tasks
4.0
2
DEPR: Deprecate xlrd and pyxlsb excel engines Deprecate Functionality to remove in pandas IO Excel read_excel, to_excel Needs Discussion Requires discussion from core team before further action
#56542 opened Dec 17, 2023 by phofl
4
DEPR: object inference in to_stata Deprecate Functionality to remove in pandas IO Stata read_stata, to_stata Stale
#56536 opened Dec 17, 2023 by jbrockmendel Loading…
5 tasks
3.0
7
DEPR: SparseDtype Deprecate Functionality to remove in pandas Needs Discussion Requires discussion from core team before further action Sparse Sparse Data Type
#56518 opened Dec 15, 2023 by jbrockmendel
1
DEPR (PDEP-7/CoW): deprecate and remove copy keyword (except in constructors) Copy / view semantics Deprecate Functionality to remove in pandas
#56022 opened Nov 17, 2023 by jorisvandenbossche 3.0
@phofl
9
CoW warning mode for cases that will change behaviour Copy / view semantics Deprecate Functionality to remove in pandas
#56019 opened Nov 17, 2023 by jorisvandenbossche
11 of 14 tasks
2.3
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