Files
langchain/libs/text-splitters
dependabot[bot] 673b9c5981 chore(deps): update lxml requirement from <7.0,>=6.1.0 to >=6.1.2,<7.0 in /libs/text-splitters (#40087)
Updates the requirements on [lxml](https://github.com/lxml/lxml) to
permit the latest version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/lxml/lxml/blob/master/CHANGES.txt">lxml's
changelog</a>.</em></p>
<blockquote>
<h1>6.1.2 (2026-08-18)</h1>
<ul>
<li>
<p>GH#526: Some build files were missing in the sdist.
Patch by Nicola Soranzo.</p>
</li>
<li>
<p>Some minor corrections for error handling cases.</p>
</li>
</ul>
<h2>Other changes</h2>
<ul>
<li>Built with Cython 3.2.9.</li>
</ul>
<h1>6.1.1 (2026-05-18)</h1>
<h2>Bugs fixed</h2>
<ul>
<li>
<p>The known link attributes in <code>lxml.html.defs.link_attrs</code>
were missing <code>xlink:href</code>,
which can be used for URL bypass attacks in embedded SVG/MathML/etc.
content.
<a
href="https://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-4jhm-jv67-739f">https://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-4jhm-jv67-739f</a></p>
</li>
<li>
<p>The Linux wheels use a patched libxslt 1.1.43, fixing CVE-2025-7424
and CVE-2025-11731.</p>
</li>
<li>
<p>The Windows wheels use libxslt 1.1.45, fixing CVE-2025-7424 and
CVE-2025-11731.</p>
</li>
</ul>
<h1>6.1.0 (2026-04-17)</h1>
<p>This release fixes a possible external entity injection (XXE)
vulnerability in
<code>iterparse()</code> and the <code>ETCompatXMLParser</code>.</p>
<h2>Features added</h2>
<ul>
<li>
<p>GH#486: The HTML ARIA accessibility attributes were added to the set
of safe attributes
in <code>lxml.html.defs</code>. This allows <code>lxml_html_clean</code>
to pass them through.
Patch by oomsveta.</p>
</li>
<li>
<p>The default chunk size for reading from file-likes in
<code>iterparse()</code> is now configurable
with a new <code>chunk_size</code> argument.</p>
</li>
</ul>
<h2>Bugs fixed</h2>
<ul>
<li>LP#2146291: The <code>resolve_entities</code> option was still set
to <code>True</code> for
<code>iterparse</code> and <code>ETCompatXMLParser</code>, allowing for
external entity injection (XXE)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/lxml/lxml/commit/f2874e9008c83d2d26e0b7292772eb74d2b83ce3"><code>f2874e9</code></a>
Update release date.</li>
<li><a
href="https://github.com/lxml/lxml/commit/687a295a4c19288b95ec1b74c31a620acaabdf9d"><code>687a295</code></a>
Build: Exclude Py3.8 from windows-arm builds.</li>
<li><a
href="https://github.com/lxml/lxml/commit/acadc56553ff74e6ea296158e118b08ac6ec9f4b"><code>acadc56</code></a>
Build: Remove outdated build target.</li>
<li><a
href="https://github.com/lxml/lxml/commit/59f93eb420a988bc61e7c5b8f4d97869c0536be7"><code>59f93eb</code></a>
Build: Split old-Linux and other-Py3.8 builds.</li>
<li><a
href="https://github.com/lxml/lxml/commit/923df83ed6a40ca5aab267b1c3fe073ff13a00ab"><code>923df83</code></a>
Build: Fix manylinux2014 build.</li>
<li><a
href="https://github.com/lxml/lxml/commit/975cc83e4626117e36adb6d336ac9a6f6cc0ca42"><code>975cc83</code></a>
Build: Fix Px3.8 build setup.</li>
<li><a
href="https://github.com/lxml/lxml/commit/09e5d3e968f380d7a790c2b47f59f7937e00942e"><code>09e5d3e</code></a>
Build: Fix cibuildwheel version.</li>
<li><a
href="https://github.com/lxml/lxml/commit/998cf504a3b0da7f316861c5a552c5c16069d91f"><code>998cf50</code></a>
Build: Build Py3.8 wheels only once, not in every build job.</li>
<li><a
href="https://github.com/lxml/lxml/commit/55670370cd68117ff2b3b71e0f20a7f275d1baeb"><code>5567037</code></a>
Build: Exclude Py3.15 from 32bit builds.</li>
<li><a
href="https://github.com/lxml/lxml/commit/904db40b04ef590ae1ca8fc84be863fc0f8196dc"><code>904db40</code></a>
Build: Update cibuildwheel to include Py3.15.</li>
<li>Additional commits viewable in <a
href="https://github.com/lxml/lxml/compare/lxml-6.1.0...lxml-6.1.2">compare
view</a></li>
</ul>
</details>
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..

🦜✂️ LangChain Text Splitters

PyPI - Version PyPI - License PyPI - Downloads Twitter

Looking for the JS/TS version? Check out LangChain.js.

Quick Install

uv add langchain-text-splitters

🤔 What is this?

LangChain Text Splitters contains utilities for splitting into chunks a wide variety of text documents.

📖 Documentation

For full documentation, see the API reference.

📕 Releases & Versioning

See our Releases and Versioning policies.

We encourage pinning your version to a specific version in order to avoid breaking your CI when we publish new tests. We recommend upgrading to the latest version periodically to make sure you have the latest tests.

Not pinning your version will ensure you always have the latest tests, but it may also break your CI if we introduce tests that your integration doesn't pass.

💁 Contributing

As an open-source project in a rapidly developing field, we are extremely open to contributions, whether it be in the form of a new feature, improved infrastructure, or better documentation.

For detailed information on how to contribute, see the Contributing Guide.

Resources

  • LangChain Academy — comprehensive, free courses on LangChain libraries and products, made by the LangChain team
  • Code of Conduct — community guidelines and standards