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Bumps [orjson](https://github.com/ijl/orjson) from 3.11.5 to 3.11.6. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/ijl/orjson/releases">orjson's releases</a>.</em></p> <blockquote> <h2>3.11.6</h2> <h3>Changed</h3> <ul> <li>orjson now includes code licensed under the Mozilla Public License 2.0 (MPL-2.0).</li> <li>Drop support for Python 3.9.</li> <li>ABI compatibility with CPython 3.15 alpha 5.</li> <li>Build now depends on Rust 1.89 or later instead of 1.85.</li> </ul> <h3>Fixed</h3> <ul> <li>Fix sporadic crash serializing deeply nested <code>list</code> of <code>dict</code>.</li> </ul> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/ijl/orjson/blob/master/CHANGELOG.md">orjson's changelog</a>.</em></p> <blockquote> <h2>3.11.6 - 2026-01-29</h2> <h3>Changed</h3> <ul> <li>orjson now includes code licensed under the Mozilla Public License 2.0 (MPL-2.0).</li> <li>Drop support for Python 3.9.</li> <li>ABI compatibility with CPython 3.15 alpha 5.</li> <li>Build now depends on Rust 1.89 or later instead of 1.85.</li> </ul> <h3>Fixed</h3> <ul> <li>Fix sporadic crash serializing deeply nested <code>list</code> of <code>dict</code>.</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="ec02024c38"><code>ec02024</code></a> 3.11.6</li> <li><a href="d581687331"><code>d581687</code></a> build, clippy misc</li> <li><a href="4105b29b22"><code>4105b29</code></a> writer::num</li> <li><a href="62bb185b70"><code>62bb185</code></a> Fix sporadic crash on serializing object close</li> <li><a href="d860078a97"><code>d860078</code></a> PyRef idiom refactors</li> <li><a href="343ae2f148"><code>343ae2f</code></a> Deserializer, Utf8Buffer</li> <li><a href="7835f58d1c"><code>7835f58</code></a> PyBytesRef and other input refactor</li> <li><a href="71e0516424"><code>71e0516</code></a> PyStrRef</li> <li><a href="1096df42dc"><code>1096df4</code></a> MSRV 1.89</li> <li><a href="b718e75b8b"><code>b718e75</code></a> Drop support for python3.9</li> <li>Additional commits viewable in <a href="https://github.com/ijl/orjson/compare/3.11.5...3.11.6">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> Co-authored-by: John Kennedy <65985482+jkennedyvz@users.noreply.github.com> Co-authored-by: Mason Daugherty <mason@langchain.dev>
🦜🍎️ LangChain Core
Looking for the JS/TS version? Check out LangChain.js.
To help you ship LangChain apps to production faster, check out LangSmith. LangSmith is a unified developer platform for building, testing, and monitoring LLM applications.
Quick Install
pip install langchain-core
🤔 What is this?
LangChain Core contains the base abstractions that power the LangChain ecosystem.
These abstractions are designed to be as modular and simple as possible.
The benefit of having these abstractions is that any provider can implement the required interface and then easily be used in the rest of the LangChain ecosystem.
⛰️ Why build on top of LangChain Core?
The LangChain ecosystem is built on top of langchain-core. Some of the benefits:
- Modularity: We've designed Core around abstractions that are independent of each other, and not tied to any specific model provider.
- Stability: We are committed to a stable versioning scheme, and will communicate any breaking changes with advance notice and version bumps.
- Battle-tested: Core components have the largest install base in the LLM ecosystem, and are used in production by many companies.
📖 Documentation
For full documentation, see the API reference. For conceptual guides, tutorials, and examples on using LangChain, see the LangChain Docs. You can also chat with the docs using Chat LangChain.
📕 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.