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Pull requests: pandas-dev/pandas
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CI: Use scientific-python/upload-nightly-action for nightly wheels
CI
Continuous Integration
#63266
opened Dec 4, 2025 by
mroeschke
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TST: Added test that checks if df.sum() results in concatenation instead of dtype coercion to float64 or int64
Testing
pandas testing functions or related to the test suite
#63260
opened Dec 4, 2025 by
AbelJSanchez
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6 tasks done
TST: Add regression test for DataFrame.where inplace consistency
#63259
opened Dec 4, 2025 by
zachyattack23
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TST: Add regression test for MultiIndex merge after reset_index
#63256
opened Dec 3, 2025 by
zachyattack23
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3 of 6 tasks
Clarify to_excel() documentation regarding overwrite behavior
#63252
opened Dec 2, 2025 by
tomas-cc
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5 of 6 tasks
TST: Replace ensure_clean utility with temp_file in pandas/tests/io/pytables/test_complex.py
#63249
opened Dec 2, 2025 by
AnonToky
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6 tasks
BUG: MergeError not raised when both right_on and right_index are specified
#63248
opened Dec 2, 2025 by
lexzlei
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4 of 6 tasks
DOC 62437 Replace @Substitution and @Appender in core/groupby/groupby.py
#63234
opened Nov 30, 2025 by
josquinlarsen
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6 tasks
STY: Add strict=True to zip() calls in pandas/tests/reshape
#63228
opened Nov 28, 2025 by
Ghazi-raad
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TST: Replace ensure_clean_store with tmp_path in test_complex.py, test_file_handling.py
#63214
opened Nov 26, 2025 by
micol-altomare
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1 of 7 tasks
BUG: raise TypeError when array not like 1D in pandas.array
#63210
opened Nov 26, 2025 by
antareepsarkar
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2 of 3 tasks
Add test for concat datetime64 columns of differing resolutions
#63206
opened Nov 26, 2025 by
Cjesse
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2 of 6 tasks
ENH: Update testing.assert_frame_equal to describe all columns with differences
#63203
opened Nov 25, 2025 by
skerkar10
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5 of 6 tasks
DOC: inline docstrings for read_excel and storage options in io/excel…
Docs
IO Excel
read_excel, to_excel
#63193
opened Nov 24, 2025 by
Fidorc80
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1 of 6 tasks
BUG: fix
DataFrame.__setitem__ with 2D object arrays
#63184
opened Nov 24, 2025 by
akkik04
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4 of 6 tasks
BUG: Fix Index.intersection returning same instance when indexes are equal GH#63169
#63179
opened Nov 23, 2025 by
sudam802
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BUG: Inconsistent behavior of Groupby with None values with filter (#…
Filters
e.g. head, tail, nth
Groupby
Missing-data
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#63178
opened Nov 23, 2025 by
koskampt
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3 of 4 tasks
BUG: Fix metadata mutation in Index set operations (intersection/unio…
#63174
opened Nov 22, 2025 by
deniskrds
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3 of 6 tasks
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