Pandas to_json index with Null Value Broken in 1.0

Discovered by @ArtificialQualia in #31748Previous behavior on 0.25.3:>>> pd.Series([1], index=[np.nan]).to_json...

Pandas BUG: FutureWarning for pandas datetime dtype series strftime with all NA values

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG:OutOfBoundsDatetime on numpy timestamps, but not on datetime.datetime

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Pandas BUG: or, and and not operators not correctly implemented for pd.NA

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas Comparison with R should discuss dcast as well as aggregate

The Comparison with R docs have a great section on how to go from R's aggregate function to Pandas's groupby, but as thi...

Pandas Scatter plot colour incorrect for 3 scatter points.

Based on the Stack Overflow question here I believe I've found a bug for when a scatter plot only has three points. The ...

Pandas how to specify more flexible boundaries for fillna

stop filling across day boundaries, hour boundaries, etc etcComment From: VelizarVESSELINOV:+1: fillna limit = number of...

Pandas Feature request: hierarchical axes labels on bar charts

Related to matplotlib/matplotlib#1257.This is a feature available in Excel and OpenOffice 3.3.Example:I think there may ...

Pandas PERF: parse non-ambiguous date formats in c

Date parsing is slow on dates of the form "%m.%d.%Y" compared to "%Y-%m-%d". I am using 0.17.1 so maybe it's improved i...

Pandas KeyError in datetime pandas when accessing with datetime.date

I've just upgrade Big Sur 11.0.1 and I'm facing some issue while trying to execute a notebook. Weird because it worked o...

Pandas ENH: Allow guess_datetime_format to guess datetime formats with month names

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: Confusing error message when to_datetime fails for times

Pandas version checks[X] I have checked that this issue has not already been reported.[x] I have confirmed this bug exis...

Pandas BUG: mapping tuples of different lengths unsupported with IndexError: tuple index out of range

Failing code snippet on current master branch:>>> import pandas as pd>>> data = pd.DataFrame({'data': ...

Pandas Follow-up on basic FloatingArray implementation

Long overdue follow-up item on the initial merge of the nullable float64/float32 support (https://github.com/pandas-dev/...

Pandas BUG: pd.NA results in wrong interpolation result

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Pandas BUG: Invalid format to to_datetime with errors='coerce' doesn't raise

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: out-of-bounds pydatetime with errors='coerce' and non-ISO format coerces all elements to NaT

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG:

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas DOC: Incorrect link in StringArray and ArrowStringArray docs

Pandas version checks[X] I have checked that the issue still exists on the latest versions of the docs on main hereLocat...

Pandas BUG: misleading message when using to_datetime with format='%V %a'

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