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Pull requests: pandas-dev/pandas
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API: update read_json to follow general default of microseconds
IO JSON
read_json, to_json, json_normalize
Non-Nano
datetime64/timedelta64 with non-nanosecond resolution
Timestamp
pd.Timestamp and associated methods
STY: Enforce Ruff rule B905 on pandas/tests/base and pandas/tests/arrays
#63471
opened Dec 23, 2025 by
yuanx749
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1 task done
PERF: use Arrow native path in duration component calculation for Arrow-backed array
#63470
opened Dec 23, 2025 by
fangchenli
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Draft
4 of 6 tasks
STY: Add strict= to zip() calls in pandas/tests/groupby
#63469
opened Dec 23, 2025 by
xingyubobo33333
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DOC: explain how to load data in Google Colab
#63468
opened Dec 23, 2025 by
im25Morningstar
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DOC: Replace @doc decorator with inlined docstrings in pandas/io/xml.py
#63467
opened Dec 23, 2025 by
sdhjebngc
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6 tasks
comparing time series with index of different units
#63466
opened Dec 22, 2025 by
Antriksh006
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2 of 3 tasks
Enabling Series.round() to work with object dtype by delegating to Python's built-in round() function.
#63463
opened Dec 22, 2025 by
sanchit122006
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4 of 6 tasks
BUG: fix block fragmentation in DataFrame.astype with dict dtype
#63461
opened Dec 22, 2025 by
Chiwendaiyue
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1 task
DOC: Inline docstrings in strings/accessor.py (#62437)
Docs
#63457
opened Dec 22, 2025 by
biplavbarua
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BUG: Fix
NotImplementedError when comparing ArrowExtensionArray to range
#63456
opened Dec 22, 2025 by
harupy
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6 tasks done
TST: ensure DataFrame.tail(0) preserves dtypes
#63453
opened Dec 21, 2025 by
mahmood-iitk
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3 of 6 tasks
PERF: add an Arrow/NumPy hybrid groupby path for decimal and string types.
Arrow
pyarrow functionality
Groupby
Performance
Memory or execution speed performance
#63416
opened Dec 18, 2025 by
fangchenli
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4 of 6 tasks
BUG: Fix return type of
loc when key is slice
#63413
opened Dec 18, 2025 by
sanggon6107
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4 of 6 tasks
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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BUG: Preserve ExtensionDtype in DataFrame arithmetic with missing columns
#63369
opened Dec 15, 2025 by
samruddhibaviskar11
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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
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