Owner

pandas-dev

4 indexed repositories · View on GitHub

pandas
Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects,...

Python · 49759 stars
pandas-stubs
Public type stubs for pandas

Python · 327 stars
pandas-governance
Project governance documents for the pandas Project

36 stars
asv-runner
https://pandas-dev.github.io/asv-runner/

Python · 3 stars

Beginner friendly Everything

Open All

DOC: Opening a Pull Request Instructions Incorrect Open

Docs Needs Discussion

Difficulty 1/5 Under an hour Newbie friendliness 85/100

pandas-dev/pandas#67751 · 13 comments · Opened Sep 1, 2026
BUG: rollforward/rollback accept date but their type hints reject it Open

Bug Frequency Needs Discussion

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

pandas-dev/pandas#66877 · 6 comments · Opened Aug 20, 2026
`Series[Any] // Timedelta(...)` not supported Open

Numeric Operations Series Timedelta Timestamp

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

pandas-dev/pandas-stubs#1904 · Opened Aug 17, 2026
`Series[int](...) < float(...)` is not supported Open

Numeric Operations

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

pandas-dev/pandas-stubs#1903 · Opened Aug 17, 2026
DatetimeIndex and to_datetime type annotations reject dict_values accepted at runtime Open

Blocked Indexing

Difficulty 2/5 1-3 hours Newbie friendliness 66/100

pandas-dev/pandas-stubs#1897 · 4 comments · Opened Aug 14, 2026
`Styler` `subset` rejects the documented `(rows, columns)` form Open

Styler

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

pandas-dev/pandas-stubs#1893 · 1 comment · Opened Aug 13, 2026
BUG: object of type 'list_iterator' has no len() Open

Bug Needs Discussion

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

pandas-dev/pandas#66514 · 5 comments · Opened Jul 28, 2026
BUG: DataFrame.eq() incorrectly rejects scalar strings in type annotations Open

Docs Typing

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

pandas-dev/pandas#66499 · 7 comments · Opened Jul 28, 2026
DEPR: read_feather Open

Deprecate IO Parquet Needs Discussion

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

pandas-dev/pandas#66177 · 7 comments · Opened Jul 6, 2026
DOC: Clarify rolling window behavior with negative offset strings and froward rolling windows Open

Docs Window

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

pandas-dev/pandas#65050 · 4 comments · Opened Apr 3, 2026
Consider hardening XMLParser configuration in read_xml (XXE risk with untrusted input) Open

IO XML

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

pandas-dev/pandas#64979 · Opened Apr 1, 2026
Use `Literal` instead of `str` in `DataFrame.transform` Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

pandas-dev/pandas-stubs#1676 · 2 comments · Opened Feb 15, 2026
REGR: registered accessors are no longer cached per DataFrame Open

Accessors Needs Discussion

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

pandas-dev/pandas#63393 · 3 comments · Opened Dec 17, 2025
BUG: OSError 22 (Invalid argument) in tzconversion tests on Windows/Python 3.11 Open

Bug Timezones Upstream issue Windows

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

pandas-dev/pandas#63315 · 6 comments · Opened Dec 9, 2025
TST: Make test_sql.py parallelizable Open

IO SQL Testing

Difficulty 2/5 Half a day Newbie friendliness 75/100

pandas-dev/pandas#60378 · 15 comments · Opened Nov 20, 2024
DOC: Sort the pandas API reference navbar in alphabetical order Open

Docs Needs Discussion

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

pandas-dev/pandas#59164 · 12 comments · 1 reaction · Opened Jul 2, 2024
DOC: Incorrect Source Link Open

Docs Needs Triage

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

pandas-dev/pandas#58350 · 12 comments · Opened Apr 21, 2024
BUG: Compiling a single file to get documentation doesn't work for SeriesGroupBy nor DataFrameGroupBy Open

Docs

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

pandas-dev/pandas#53268 · 1 comment · 1 reaction · Opened May 17, 2023
BUG: "grid" parameter is ignored by scatter_matrix function Open

Bug Visualization

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

pandas-dev/pandas#50818 · 3 comments · Opened Jan 18, 2023
ENH: Enable assert_almost_equal to test numpy-like zero-dimensional arrays Open

Enhancement Nested Data Testing

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

pandas-dev/pandas#48919 · 8 comments · Opened Oct 3, 2022
BUG: str connections passed to pd.read_sql are *not* closed automatically Open

Bug IO SQL

Difficulty 1/5 Under an hour Newbie friendliness 84/100

pandas-dev/pandas#46023 · 8 comments · Opened Feb 16, 2022
DOC: Merge/join treats lists/tuples differently than other list-likes Open

Docs Reshaping

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

pandas-dev/pandas#44077 · 2 comments · Opened Oct 18, 2021
WEB: Multiple "Getting Started" on pandas.io leads to different links Open

Web

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

pandas-dev/pandas#32307 · 27 comments · Opened Feb 27, 2020

pandas-dev

Get new issues in your inbox