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Pull requests: pandas-dev/pandas
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BUG: Fix #61221: Exception with unstack(sort=False) and NA in index.
#61226
opened Apr 3, 2025 by
gsmll
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BUG: Fix #57608: queries on categorical string columns in HDFStore.select() return unexpected results.
#61225
opened Apr 3, 2025 by
SofiaSM45
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4 of 5 tasks
Fix #58421: Index[timestamp[pyarrow]].union with itself return object type
#61219
opened Apr 2, 2025 by
afonso-antunes
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4 of 5 tasks
BUG: OverflowError when fillna on DataFrame with a pd.Timestamp (#61208)
#61216
opened Apr 2, 2025 by
PedroM4rques
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5 tasks done
BUG: Fix pyarrow categoricals not working for pivot and multiindex
#61193
opened Mar 28, 2025 by
robin-mader-bis
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5 tasks done
ENH: Reimplement DataFrame.lookup
Enhancement
Indexing
Related to indexing on series/frames, not to indexes themselves
#61185
opened Mar 26, 2025 by
stevenae
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5 tasks done
BUG: Handle line and bar on the same plot
Bug
Visualization
plotting
#61173
opened Mar 24, 2025 by
MartinBraquet
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1 of 5 tasks
ENH: Support boolean masks for Related to indexing on series/frames, not to indexes themselves
iloc.__getitem__
Enhancement
Indexing
#61162
opened Mar 21, 2025 by
arthurlw
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5 tasks done
Preserve Complex Data Types for to_csv
Complex
Complex Numbers
Enhancement
IO CSV
read_csv, to_csv
Needs Discussion
Requires discussion from core team before further action
#61157
opened Mar 20, 2025 by
Jaspvr
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ENH: Adds
dict & **dict support for pd.set_option [#61093]
#61152
opened Mar 20, 2025 by
himanshumahajan138
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4 of 5 tasks
ENH: Added dict support for Functionality to remove in pandas
Enhancement
pd.set_option
API Design
Deprecate
#61151
opened Mar 20, 2025 by
arthurlw
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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
String dtype: more informative repr (keeping brief __str__)
Output-Formatting
__repr__ of pandas objects, to_string
Strings
String extension data type and string data
#61148
opened Mar 19, 2025 by
jorisvandenbossche
•
Draft
BUG: Preserve column names in DataFrame.from_records when nrows=0
Bug
IO Data
IO issues that don't fit into a more specific label
API (string dtype): implement hierarchy (NA > NaN, pyarrow > python) for consistent comparisons between different string dtypes
Numeric Operations
Arithmetic, Comparison, and Logical operations
Strings
String extension data type and string data
BUG/TST/DEPR: Ensure dtype="category" always implies ordered=False & add tests
#61118
opened Mar 13, 2025 by
ZanirP
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2 of 5 tasks
Bug: Save original index and remap after function completes
Filters
e.g. head, tail, nth
Performance
Memory or execution speed performance
#61116
opened Mar 13, 2025 by
Jeffrharr
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5 tasks done
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