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#49275 ·
noatamir
opened
on Oct 24, 2022
9
FEEDBACK: PyArrow as a required dependency and PyArrow backed strings
#54466 ·
phofl
opened
on Aug 9, 2023
159
Issues
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Open
Closed
BUG: Boolean Column Indexing Issue in Pandas
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
Issue that has not been reviewed by a pandas team member
Status: Open.
#61980
In pandas-dev/pandas;
·
tanjt107
opened
on Jul 28, 2025
ENH: Function‑scoped bad‑line callback for read_csv that provides line_number (immediate per‑row handling without global side‑effects)
Enhancement
Needs Triage
Issue that has not been reviewed by a pandas team member
Issue that has not been reviewed by a pandas team member
Status: Open.
#61978
In pandas-dev/pandas;
·
laelhalawani
opened
on Jul 27, 2025
BUG: infer_dtype returns "mixed" for complex and pd.NA mix
Bug
Dtype Conversions
Unexpected or buggy dtype conversions
Unexpected or buggy dtype conversions
Missing-data
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Status: Open.
#61976
In pandas-dev/pandas;
·
yuanx749
opened
on Jul 27, 2025
BUG: 'Sphinx parallel build error' when building docs locally prevents index.html creation
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
Issue that has not been reviewed by a pandas team member
Status: Open.
#61975
In pandas-dev/pandas;
·
jeffersbaxter
opened
on Jul 27, 2025
BUG: The lines skipped by pd.read_csv(path, chunksize=n, on_bad_lines='skip') depends on <code>n</code>.
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
Issue that has not been reviewed by a pandas team member
Status: Open.
#61973
In pandas-dev/pandas;
·
alexbra1
opened
on Jul 27, 2025
DOC: shift argument in <code>Series.shift()</code> is not used
Docs
Needs Triage
Issue that has not been reviewed by a pandas team member
Issue that has not been reviewed by a pandas team member
Status: Open.
#61955
In pandas-dev/pandas;
·
Dr-Irv
opened
on Jul 25, 2025
BUG: Using <code>Series.str.fullmatch()</code> and <code>Series.str.match()</code> with a compiled regex fails with arrow strings
Arrow
pyarrow functionality
pyarrow functionality
Bug
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#61952
In pandas-dev/pandas;
·
Dr-Irv
opened
on Jul 25, 2025
·
2.3.2
BUG: Implicit upcast to float64 for large series (more than 1000000 rows)
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
Issue that has not been reviewed by a pandas team member
Status: Open.
#61951
In pandas-dev/pandas;
·
stertingen
opened
on Jul 25, 2025
BUG: border attribute used in html.py was deprecated in HTML5
Bug
IO HTML
read_html, to_html, Styler.apply, Styler.applymap
read_html, to_html, Styler.apply, Styler.applymap
Status: Open.
#61949
In pandas-dev/pandas;
·
JonahDelman
opened
on Jul 25, 2025
DOC: Standardize noncompliant docstrings in pandas/io/html.py (flake8-docstrings)
Docs
Status: Open.
#61944
In pandas-dev/pandas;
·
gumus-g
opened
on Jul 25, 2025
BUG: series.groupby(level=0) and series.groupby(pd.Grouper(level=0)) produce different orders
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
Issue that has not been reviewed by a pandas team member
Status: Open.
#61943
In pandas-dev/pandas;
·
sfc-gh-mvashishtha
opened
on Jul 25, 2025
BUG: Using <code>Series.str.contains()</code> with a compiled regex and arrow strings fails
Arrow
pyarrow functionality
pyarrow functionality
Bug
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#61942
In pandas-dev/pandas;
·
Dr-Irv
opened
on Jul 24, 2025
·
2.3.2
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