Semantic Coherence: pandas – Signal Evidence & AI Readability

pandas

(https://pandas.pydata.org) 📸 Data Snapshot: May 25, 2026
Semantic Coherence — The Lens

Pull the main entities out of the H1, then check whether they actually recur through the body. A page that announces one thing and then talks about another drifts. Headings with no real sentences underneath read as pseudo-substance.

Semantic Coherence Homepage promise vs. Sub-page reality.
20 Impact Weight: 20 / 100
100% Reputation

There is no detectable semantic drift between the homepage and sub-pages. The homepage H1 ‘pandas’ and the claim of being a ‘powerful, flexible and easy to use open source data analysis’ tool is immediately validated by the technical depth of the documentation and release notes. The sub-pages deliver exactly what the hero section promises: a functional, well-documented tool for data manipulation. The target audience remains consistently technical throughout all analyzed pages.

Semantic Coherence is read from the heading hierarchy first: what each page announces in its H1 and headings, then whether the body actually delivers on it. Below is the structure the engine mapped, followed by the clean text to check for drift between promise and reality.

🏗️ Semantic Structure — heading hierarchy & page identity (the promise the page makes)
HOMEPAGE pandas – Python Data Analysis Library (https://pandas.pydata.org)
Title

pandas – Python Data Analysis Library

H1 pandas
H4 Latest version: 3.0.1
H4 Follow us
H4 Recommended books
H4 Previous versions
H5 Getting started
H5 Documentation
H5 Community
H5 With the support of:
HEADING_BODY What’s new in 2.3.3 (September 29, 2025) — pandas 3.0.3 documentation (https://pandas.pydata.org/pandas-docs/stable/whatsnew/v2.3.3.html)
Title

What’s new in 2.3.3 (September 29, 2025) — pandas 3.0.3 documentation

H1 What’s new in 2.3.3 (September 29, 2025)#
H2 Pandas 2.3.3 is now compatible with Python 3.14#
H2 Improvements and fixes for the StringDtype#
H2 Other changes#
H2 Other bug fixes#
H2 Contributors#
H3 Improvements#
H3 Bug fixes#
HEADING_BODY pandas documentation — pandas 2.3.3 documentation (https://pandas.pydata.org/pandas-docs/version/2.3.3/)
Title

pandas documentation — pandas 2.3.3 documentation

H1 pandas documentation#
HEADING_BODY What’s new in 2.2.3 (September 20, 2024) — pandas 3.0.3 documentation (https://pandas.pydata.org/pandas-docs/stable/whatsnew/v2.2.3.html)
Title

What’s new in 2.2.3 (September 20, 2024) — pandas 3.0.3 documentation

H1 What’s new in 2.2.3 (September 20, 2024)#
H2 Pandas 2.2.3 is now compatible with Python 3.13#
H2 Bug fixes#
H2 Other#
H2 Contributors#
📝 The Narrative — clean text per page (homepage promise vs. sub-page reality)
HOMEPAGE (https://pandas.pydata.org) pandas – Python Data Analysis Library
[H1] pandas

pandas is a fast, powerful, flexible and easy to use open source data analysis and manipulation tool,
built on top of the Python programming language.

Install pandas now!

[H5] Getting started

Install pandas
Getting started
Try pandas online

[H5] Documentation

User guide
API reference
Contributing to pandas
Release notes

[H5] Community

About pandas
Ask a question
Ecosystem

[H5] With the support of:

[IMG: NumFOCUS]

[IMG: Nvidia]

[IMG: Tidelift]

[IMG: Bodo]

The full list of companies supporting pandas is available in the sponsors page.

[H4] Latest version: 3.0.1

What's new in 3.0.1
Release date:Feb 17, 2026
Documentation (web)
Download source code

[H4] Follow us

[H4] Recommended books

[IMG: Python for Data Analysis]

[IMG: Pandas Cookbook, Third Edition]

[IMG: Effective pandas 2]

[H4] Previous versions

2.3.3 (Sep 29, 2025)
changelog |
docs |
code

2.2.3 (Sep 20, 2024)
changelog |
docs |
code

2.1.4 (Dec 08, 2023)
changelog |
docs |
code

2.0.3 (Jun 28, 2023)
changelog |
docs |
code

Show more

1.5.3 (Jan 19, 2023)
changelog |
docs |
code
1237 chars
SUB-PAGE (https://pandas.pydata.org/pandas-docs/stable/whatsnew/v2.3.3.html) What’s new in 2.3.3 (September 29, 2025) — pandas 3.0.3 documentation
[H1] What’s new in 2.3.3 (September 29, 2025)#
These are the changes in pandas 2.3.3. See Release notes for a full changelog
including other versions of pandas.
[H2] Pandas 2.3.3 is now compatible with Python 3.14#
Pandas 2.3.3 is the first version of pandas that is generally compatible with the upcoming
Python 3.14. For this release, wheels will be uploaded for normal Python 3.14 across all
platforms, while wheels for free-threaded Python 3.14 will be available for Linux and macOS only.
As usual please report any bugs discovered to our issue tracker
[H2] Improvements and fixes for the StringDtype#
Most changes in this release are related to StringDtype which will
become the default string dtype in pandas 3.0. See
Upcoming changes in pandas 3.0 for more details.
[H3] Improvements#
Update DataFrame.select_dtypes() to keep selecting str columns when
specifying include=["object"] for backwards compatibility. In a future
release, this will be deprecated and code for pandas 3+ should be updated to
do include=["str"] (GH 61916)
Support the / operation between a pathlib.Path object and a StringDtype
Series, similarly as it works for object-dtype Series (GH 61940)
[H3] Bug fixes#
Fix bug in Series.str.replace() using named capture groups (e.g., \g<name>) with the Arrow-backed dtype would raise an error (GH 57636)
Fix regression in Series.str.contains(), match() and fullmatch()
with a compiled regex and custom flags (GH 62240)
Fix Series.str.match() and fullmatch() not matching patterns with groups correctly for the Arrow-backed string dtype (GH 61072)
Fix bug in groupby() with sum() and unobserved categories resulting in 0 instead of the empty string "" (GH 61909)
Fix Series.str.isdigit() to correctly recognize unicode superscript
characters as digits for StringDtype backed by PyArrow (GH 61466)
Fix comparing a StringDtype Series with mixed objects raising an error (GH 60228)
Fix error being raised when using a numpy ufunc with a Python-backed string array (GH 40800)
[H2] Other changes#
The deprecation of using Series.resample() and DataFrame.resample()
with a PeriodIndex (and the ‘convention’ keyword) has been undone.
Resampling with a PeriodIndex is supported again, but a subset of
methods that return incorrect results will raise an error in pandas 3.0 (GH 57033)
[H2] Other bug fixes#
Fix memory leak in DataFrame.to_json() with datetime columns (GH 62204)
Fixed regression in DataFrame.from_records() not initializing subclasses properly (GH 57008)
The DataFrame.iloc() now works correctly with copy_on_write option when assigning values after subsetting the columns of a homogeneous DataFrame (GH 60309)
[H2] Contributors#
A total of 15 people contributed patches to this release. People with a
“+” by their names contributed a patch for the first time.
ChiLin Chiu
Evgenii Mosikhin +
Ian Hunt-Isaak +
Joris Van den Bossche
Laurie O +
Lumberbot (aka Jack)
Matthew Roeschke
Nathan Goldbaum
Patrick Hoefler
Richard Shadrach
Scott Talbert
jbrockmendel
pandas Development Team
ptth222 +
Álvaro Kothe +

On this page
3070 chars
SUB-PAGE (https://pandas.pydata.org/pandas-docs/version/2.3.3/) pandas documentation — pandas 2.3.3 documentation
[H1] pandas documentation#
Date: Jan 14, 2026 Version: 2.3.3
Download documentation: Zipped HTML
Previous versions: Documentation of previous pandas versions is available at
pandas.pydata.org.
Useful links:
Binary Installers |
Source Repository |
Issues & Ideas |
Q&A Support |
Mailing List
pandas is an open source, BSD-licensed library providing high-performance,
easy-to-use data structures and data analysis tools for the Python
programming language.
Getting started
New to pandas? Check out the getting started guides. They contain an
introduction to pandas’ main concepts and links to additional tutorials.
User guide
The user guide provides in-depth information on the
key concepts of pandas with useful background information and explanation.
API reference
The reference guide contains a detailed description of
the pandas API. The reference describes how the methods work and which parameters can
be used. It assumes that you have an understanding of the key concepts.
Developer guide
Saw a typo in the documentation? Want to improve
existing functionalities? The contributing guidelines will guide
you through the process of improving pandas.

Show Source
1191 chars
SUB-PAGE (https://pandas.pydata.org/pandas-docs/stable/whatsnew/v2.2.3.html) What’s new in 2.2.3 (September 20, 2024) — pandas 3.0.3 documentation
[H1] What’s new in 2.2.3 (September 20, 2024)#
These are the changes in pandas 2.2.3. See Release notes for a full changelog
including other versions of pandas.
[H2] Pandas 2.2.3 is now compatible with Python 3.13#
Pandas 2.2.3 is the first version of pandas that is generally compatible with the upcoming
Python 3.13, and both wheels for free-threaded and normal Python 3.13 will be uploaded for
this release.
As usual please report any bugs discovered to our issue tracker
[H2] Bug fixes#
Bug in eval() on complex including division / discards imaginary part. (GH 21374)
Minor fixes for numpy 2.1 compatibility. (GH 59444)
[H2] Other#
Missing licenses for 3rd party dependencies were added back into the wheels. (GH 58632)
[H2] Contributors#
A total of 15 people contributed patches to this release. People with a
“+” by their names contributed a patch for the first time.
Abdulaziz Aloqeely +
Ben Greiner
Elliott Sales de Andrade
Ewout ter Hoeven
Joris Van den Bossche
Laurent Mutricy +
Lumberbot (aka Jack)
Lysandros Nikolaou +
Matthew Roeschke
Mohammad Ahmadi +
Pandas Development Team
Patrick Hoefler
Thomas Li
dependabot[bot]
pre-commit-ci[bot]

On this page
1181 chars