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Pull requests: pandas-dev/pandas
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perf: improve membership check performance in column filtering
IO CSV
read_csv, to_csv
Performance
Memory or execution speed performance
Stale
#61046
opened Mar 4, 2025 by
allrob23
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1 of 5 tasks
ENH: add basic DataFrame.from_arrow class method for importing through Arrow PyCapsule interface
Arrow
pyarrow functionality
Stale
#59696
opened Sep 3, 2024 by
jorisvandenbossche
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2 of 4 tasks
ENH, DOC: Add JupyterLite-powered interactive examples for the
pandas documentation
#61061
opened Mar 5, 2025 by
agriyakhetarpal
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2 of 5 tasks
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
Bug: Fix for overflow at edge cases in
normalize() by raising exception
#61083
opened Mar 8, 2025 by
Anurag-Varma
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4 of 5 tasks
BUG: Fix #61221: Exception with unstack(sort=False) and NA in index.
#61226
opened Apr 3, 2025 by
gsmll
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FIX: date comparison fails when series is all pd.NaT values #61188
Bug
Datetime
Datetime data dtype
Missing-data
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#61200
opened Mar 30, 2025 by
Mohit-Kundu
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4 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
DEPS: Revert SQLAlchemy minimum version back to 1.4.36
Dependencies
Required and optional dependencies
IO SQL
to_sql, read_sql, read_sql_query
Stale
BUG: resample method
Stale
groupby then resample on column gives incorrect results if the index is out of order
Bug
Groupby
Resample
#59408
opened Aug 4, 2024 by
aram-cedarwood
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4 of 5 tasks
BUG: Pyarrow timestamp support for map() function
#61236
opened Apr 6, 2025 by
arthurlw
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4 of 5 tasks
PERF: future_stack=True with non-MulitIndex columns
Performance
Memory or execution speed performance
Reshaping
Concat, Merge/Join, Stack/Unstack, Explode
Stale
PDEP-16: Consistent missing value handling
PDEP
pandas enhancement proposal
Stale
#58988
opened Jun 12, 2024 by
jorisvandenbossche
•
Draft
API/CoW: take view of underlying Block values for shallow (deep=False) copies
Copy / view semantics
Stale
#58966
opened Jun 10, 2024 by
jorisvandenbossche
•
Draft
5 tasks
PDEP-8: Inplace methods in pandas
Copy / view semantics
inplace
Relating to inplace parameter or equivalent
PDEP
pandas enhancement proposal
#51466
opened Feb 17, 2023 by
lithomas1
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[READY] perf improvements for strftime
Datetime
Datetime data dtype
Performance
Memory or execution speed performance
Stale
#51298
opened Feb 10, 2023 by
smarie
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TST (string dtype): clean-up assorted xfails
Stale
Strings
String extension data type and string data
CI: add test build with numpy 1.26 (<2)
CI
Continuous Integration
Stale
#60154
opened Oct 31, 2024 by
jorisvandenbossche
•
Draft
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
API: make Day preserve time-of-day across DST transitions
Frequency
DateOffsets
Stale
Timezones
Timezone data dtype
#55502
opened Oct 12, 2023 by
jbrockmendel
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1 of 5 tasks
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