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Pull requests: pandas-dev/pandas
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BUG: Fix regression in to_hdf with MultiIndex and StringDtype (GH#63412)
#63414
opened Dec 18, 2025 by
zacharym-collins
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4 of 6 tasks
Fix return type of
loc when key is slice
#63413
opened Dec 18, 2025 by
sanggon6107
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4 of 6 tasks
DOC: Replace @doc decorator with inline docstring in pandas/io/html.py
#63411
opened Dec 18, 2025 by
sdhjebngc
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6 tasks
BUG :Fix incorrect index length when ignore_index=True in series concat
#63409
opened Dec 18, 2025 by
vkverma9534
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Draft
PERF: avoid NumPy fallback when casting Arrow int/string to string
Arrow
pyarrow functionality
Performance
Memory or execution speed performance
#63401
opened Dec 17, 2025 by
fangchenli
•
Draft
BUG: Fix to_html adding time to datetime columns in transposed DataFrame (GH#10640)
#63400
opened Dec 17, 2025 by
epabarker
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API: Copy inputs in Index subclass constructors by default (GH#63388)
API Design
Index
Related to the Index class or subclasses
#63398
opened Dec 17, 2025 by
zacharym-collins
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6 tasks done
ENH: clarify error message when getting slice bounds for a non-monotonic index without specifying the label
Enhancement
Error Reporting
Incorrect or improved errors from pandas
Indexing
Related to indexing on series/frames, not to indexes themselves
#63397
opened Dec 17, 2025 by
natmokval
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3 tasks done
Perf: avoid fallback to NumPy in value_counts for Arrow-backed array
Arrow
pyarrow functionality
Performance
Memory or execution speed performance
#63389
opened Dec 17, 2025 by
fangchenli
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Replacing some of @Appender in pandas/pandas/core/frame.py.
Docs
#63384
opened Dec 16, 2025 by
zhangbowen-coder
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1 task done
DOC: Fix default value for engine in pandas.eval
Docs
#63382
opened Dec 16, 2025 by
zacharym-collins
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3 of 6 tasks
BUG: Preserve ExtensionDtype in DataFrame arithmetic with missing columns
#63369
opened Dec 15, 2025 by
samruddhibaviskar11
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EA: add back _from_scalar / cast_pointwise_result backwards compat
ExtensionArray
Extending pandas with custom dtypes or arrays.
Replace
ensure_clean_store instances with temp_file in test_store.py
#63364
opened Dec 15, 2025 by
asoledad33
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2 of 7 tasks
DOC: Clarify deterministic sorting behavior for ties
#63363
opened Dec 14, 2025 by
Aditi4275
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4 of 6 tasks
Explaination on how to load data in Google Colab added
#63362
opened Dec 14, 2025 by
Kalyani-Puranik
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6 tasks done
replaced all Appender、Substitution、doc decorators in pandas/pandas/core/frame.py.
#63357
opened Dec 14, 2025 by
zhangbowen-coder
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1 task
BUG: Fix MultiIndex lookup with mixed datetime types GH#55969
#63355
opened Dec 13, 2025 by
Aryn1102
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3 tasks done
STY: Add explicit strict= to zip() calls in pandas/tests/strings
#63353
opened Dec 13, 2025 by
majiayu000
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DEPR: deprecate silent alignment on arithmetic operations between Series with non-aligned MultiIndexes
Deprecate
Functionality to remove in pandas
MultiIndex
Numeric Operations
Arithmetic, Comparison, and Logical operations
#63351
opened Dec 13, 2025 by
natmokval
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3 tasks done
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