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[//]: # (dependabot-start) ⚠️ **Dependabot is rebasing this PR** ⚠️ Rebasing might not happen immediately, so don't worry if this takes some time. Note: if you make any changes to this PR yourself, they will take precedence over the rebase. --- [//]: # (dependabot-end) Bumps [idna](https://github.com/kjd/idna) from 3.11 to 3.15. <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/kjd/idna/blob/master/HISTORY.md">idna's changelog</a>.</em></p> <blockquote> <h2>3.15 (2026-05-12)</h2> <ul> <li>Enforce DNS-length cap on individual labels early in <code>check_label</code>, short-circuiting contextual-rule processing for oversized input while staying compatible with UTS 46 usage.</li> <li>Tidy core helpers: hoist bidi category sets to module-level frozensets (avoiding per-codepoint list construction), simplify length checks, and reuse the shared <code>_unicode_dots_re</code> from <code>idna.core</code> in the codec module.</li> <li>Use <code>raise ... from err</code> for proper exception chaining and switch internal string formatting to f-strings.</li> <li>Allow <code>flit_core</code> 4.x in the build backend.</li> <li>Expand the ruff lint set (flake8-bugbear, flake8-simplify, pyupgrade, perflint) and apply the surfaced fixes; pin lint CI to Python 3.14.</li> <li>Add Dependabot configuration for GitHub Actions.</li> <li>Convert README and HISTORY from reStructuredText to Markdown.</li> <li>Reference CVE-2026-45409 for the 3.14 advisory in place of the initial GHSA identifier.</li> </ul> <p>Thanks to Felix Yan, Stan Ulbrych, and metsw24-max for contributions to this release.</p> <h2>3.14 (2026-05-10)</h2> <ul> <li>Removed opportunity to process long inputs into quadratic time by rejecting oversize inputs up-front. Closes a bypass of the CVE-2024-3651 mitigation. [CVE-2026-45409]</li> </ul> <p>Thanks to Stan Ulbrych for reporting the issue.</p> <h2>3.13 (2026-04-22)</h2> <ul> <li>Correct classification error for codepoint U+A7F1</li> </ul> <h2>3.12 (2026-04-21)</h2> <ul> <li>Update to Unicode 17.0.0.</li> <li>Issue a deprecation warning for the transitional argument.</li> <li>Added lazy-loading to provide some performance improvements.</li> <li>Removed vestiges of code related to Python 2 support, including segmentation of data structures specific to Jython.</li> </ul> <p>Thanks to Rodrigo Nogueira for contributions to this release.</p> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="af30a092e1"><code>af30a09</code></a> Release 3.15</li> <li><a href="30314d4628"><code>30314d4</code></a> Pre-release 3.15rc0</li> <li><a href="05d4b219aa"><code>05d4b21</code></a> Merge pull request <a href="https://redirect.github.com/kjd/idna/issues/237">#237</a> from kjd/convert-docs-to-markdown</li> <li><a href="2987fdba19"><code>2987fdb</code></a> Convert README and HISTORY from reStructuredText to Markdown</li> <li><a href="59fa8002d5"><code>59fa800</code></a> Merge pull request <a href="https://redirect.github.com/kjd/idna/issues/236">#236</a> from kjd/dependabot/github_actions/actions-f3e34333ea</li> <li><a href="def69834ce"><code>def6983</code></a> Merge branch 'master' into dependabot/github_actions/actions-f3e34333ea</li> <li><a href="bbd8004a79"><code>bbd8004</code></a> Merge pull request <a href="https://redirect.github.com/kjd/idna/issues/234">#234</a> from StanFromIreland/patch-1</li> <li><a href="edd07c0502"><code>edd07c0</code></a> Bump github/codeql-action from 3.35.2 to 4.35.2 in the actions group</li> <li><a href="5557db030c"><code>5557db0</code></a> Merge branch 'master' into patch-1</li> <li><a href="f11746cf49"><code>f11746c</code></a> Merge pull request <a href="https://redirect.github.com/kjd/idna/issues/235">#235</a> from StanFromIreland/patch-2</li> <li>Additional commits viewable in <a href="https://github.com/kjd/idna/compare/v3.11...v3.15">compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) You can disable automated security fix PRs for this repo from the [Security Alerts page](https://github.com/langchain-ai/langchain/network/alerts). </details> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
langchain-anthropic
Looking for the JS/TS version? Check out LangChain.js.
Quick Install
pip install langchain-anthropic
🤔 What is this?
This package contains the LangChain integration for Anthropic's generative models.
📖 Documentation
For full documentation, see the API reference. For conceptual guides, tutorials, and examples on using these classes, see the LangChain Docs.
📕 Releases & Versioning
See our Releases and Versioning policies.
💁 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.