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#49275 ·
noatamir
opened
on Oct 24, 2022
9
FEEDBACK: PyArrow as a required dependency and PyArrow backed strings
#54466 ·
phofl
opened
on Aug 9, 2023
165
Issues
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state
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label
:
Warnings
state:open label:Warnings
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Open
Closed
PERF: <code>to_numpy</code> is >3 orders of magnitude slower on tz aware datetimes
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Performance
Memory or execution speed performance
Memory or execution speed performance
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#62309
In pandas-dev/pandas;
·
joshdunnlime
opened
on Sep 10, 2025
BUG: PerformanceWarning when agg with pd.NamedAgg and as_index=False
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Bug
Needs Info
Clarification about behavior needed to assess issue
Clarification about behavior needed to assess issue
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#61628
In pandas-dev/pandas;
·
xma08
opened
on Jun 10, 2025
BUG: Python 3.14 may not increment refcount
Bug
Copy / view semantics
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#61368
In pandas-dev/pandas;
·
tacaswell
opened
on Apr 28, 2025
DOC: Series.update throws a <code>FutureWarning</code> about <code>def[col] = df[col].method</code> but <code>.update</code> returns <code>None</code> and works <code>inplace</code>
combine/combine_first/update
NDFrame.combine, combine_first, update
NDFrame.combine, combine_first, update
Copy / view semantics
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#59788
In pandas-dev/pandas;
·
spawn-guy
opened
on Sep 13, 2024
BUG: DataFrame.convert_dtype(convert_integer=True) with int64_t limits throws Warning
Bug
Dtype Conversions
Unexpected or buggy dtype conversions
Unexpected or buggy dtype conversions
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#58485
In pandas-dev/pandas;
·
Tishj
opened
on Apr 30, 2024
TST: Disallow bare tm.assert_produces_warning
Code Style
Code style, linting, code_checks
Code style, linting, code_checks
Testing
pandas testing functions or related to the test suite
pandas testing functions or related to the test suite
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#58290
In pandas-dev/pandas;
·
Aloqeely
opened
on Apr 17, 2024
Potential regression induced by PR #56921
Performance
Memory or execution speed performance
Memory or execution speed performance
Regression
Functionality that used to work in a prior pandas version
Functionality that used to work in a prior pandas version
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#57641
In pandas-dev/pandas;
·
DeaMariaLeon
opened
on Feb 27, 2024
·
3.1
BUG: Selecting columns from a DataFrame affects display of warnings
Bug
Upstream issue
Issue related to pandas dependency
Issue related to pandas dependency
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#57054
In pandas-dev/pandas;
·
EBurtonRod
opened
on Jan 24, 2024
BUG: FutureWarning about 'isin' where it is not used
Bug
expressions
pd.eval, query
pd.eval, query
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#57028
In pandas-dev/pandas;
·
workflowsguy
opened
on Jan 23, 2024
·
2.3.4
BUG: Creating a <code>pandas.DataFrame</code> affects <code>warnings</code> filters
Bug
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#55801
In pandas-dev/pandas;
·
anmyachev
opened
on Nov 2, 2023
BUG: FutureWarning appears when assigning new column through loc
Bug
Dtype Conversions
Unexpected or buggy dtype conversions
Unexpected or buggy dtype conversions
PDEP6-related
related to PDEP6 (not upcasting during setitem-like Series operations)
related to PDEP6 (not upcasting during setitem-like Series operations)
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#55791
In pandas-dev/pandas;
·
utilifeedagnes
opened
on Nov 1, 2023
ENH: Make performance warnings opt-in and more noisy
Enhancement
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Performance
Memory or execution speed performance
Memory or execution speed performance
Warnings
Warnings that appear or should be added to pandas
Warnings that appear or should be added to pandas
Status: Open.
#55385
In pandas-dev/pandas;
·
rhshadrach
opened
on Oct 3, 2023
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