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1137d2dc09
Bumps [jupyter-server](https://github.com/jupyter-server/jupyter_server) from 2.18.0 to 2.20.0. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/jupyter-server/jupyter_server/releases">jupyter-server's releases</a>.</em></p> <blockquote> <h2>v2.20.0</h2> <h2>2.20.0</h2> <p>(<a href="https://github.com/jupyter-server/jupyter_server/compare/v2.19.0...333e700119ee0bcc0b5fcd4c158213d7c275c778">Full Changelog</a>)</p> <h3>Security fixes</h3> <ul> <li>CVE-2026-44727 <a href="https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-fcw5-x6j4-ccmp">GHSA-fcw5-x6j4-ccmp</a></li> </ul> <h3>Enhancements made</h3> <ul> <li>Fix confusing terminal output when using ServerApp.ip=0.0.0.0 <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1643">#1643</a> (<a href="https://github.com/Yann-P"><code>@Yann-P</code></a>, <a href="https://github.com/minrk"><code>@minrk</code></a>)</li> <li>Add a toggle to enable curve encryption for all kernels that support it <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1638">#1638</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>, <a href="https://github.com/Carreau"><code>@Carreau</code></a>, <a href="https://github.com/ianthomas23"><code>@ianthomas23</code></a>, <a href="https://github.com/minrk"><code>@minrk</code></a>)</li> </ul> <h3>Bugs fixed</h3> <ul> <li>Grab the port from <code>bind_sockets</code> in case its different <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1651">#1651</a> (<a href="https://github.com/choldgraf"><code>@choldgraf</code></a>, <a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> </ul> <h3>Maintenance and upkeep improvements</h3> <ul> <li>Fix <code>test_authorizer</code> having a spurious comma in params <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1664">#1664</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> <li>Add a reminder to merge GHSA before release <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1659">#1659</a> (<a href="https://github.com/Yann-P"><code>@Yann-P</code></a>, <a href="https://github.com/Carreau"><code>@Carreau</code></a>)</li> <li>Exclude problematic <code>pywinpty</code> 3.0.4 version <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1658">#1658</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> <li>ci: explicitly pass base-setup inputs to fix strict validation failures <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1626">#1626</a> (<a href="https://github.com/Carreau"><code>@Carreau</code></a>, <a href="https://github.com/Copilot"><code>@Copilot</code></a>)</li> </ul> <h3>Documentation improvements</h3> <ul> <li>Align docs for curve encryption with latest JEP version <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1660">#1660</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>, <a href="https://github.com/Carreau"><code>@Carreau</code></a>)</li> <li>Remove PGP key from docs <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1653">#1653</a> (<a href="https://github.com/Yann-P"><code>@Yann-P</code></a>, <a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> </ul> <h3>Contributors to this release</h3> <p>The following people contributed discussions, new ideas, code and documentation contributions, and review. See <a href="https://github-activity.readthedocs.io/en/latest/use/#how-does-this-tool-define-contributions-in-the-reports">our definition of contributors</a>.</p> <p>(<a href="https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2026-05-29&to=2026-06-17&type=c">GitHub contributors page for this release</a>)</p> <p><a href="https://github.com/Carreau"><code>@Carreau</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3ACarreau+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/choldgraf"><code>@choldgraf</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Acholdgraf+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/Copilot"><code>@Copilot</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3ACopilot+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/ianthomas23"><code>@ianthomas23</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Aianthomas23+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/krassowski"><code>@krassowski</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Akrassowski+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/minrk"><code>@minrk</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Aminrk+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/Yann-P"><code>@Yann-P</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3AYann-P+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>)</p> <h2>v2.19.0</h2> <h2>2.19.0</h2> <p>(<a href="https://github.com/jupyter-server/jupyter_server/compare/v2.18.2...664e2255c71efe963f397b9f803dbcf503b5a920">Full Changelog</a>)</p> <h3>Enhancements made</h3> <!-- raw HTML omitted --> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/jupyter-server/jupyter_server/blob/main/CHANGELOG.md">jupyter-server's changelog</a>.</em></p> <blockquote> <h2>2.20.0</h2> <p>(<a href="https://github.com/jupyter-server/jupyter_server/compare/v2.19.0...333e700119ee0bcc0b5fcd4c158213d7c275c778">Full Changelog</a>)</p> <h3>Enhancements made</h3> <ul> <li>Fix confusing terminal output when using ServerApp.ip=0.0.0.0 <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1643">#1643</a> (<a href="https://github.com/Yann-P"><code>@Yann-P</code></a>, <a href="https://github.com/minrk"><code>@minrk</code></a>)</li> <li>Add a toggle to enable curve encryption for all kernels that support it <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1638">#1638</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>, <a href="https://github.com/Carreau"><code>@Carreau</code></a>, <a href="https://github.com/ianthomas23"><code>@ianthomas23</code></a>, <a href="https://github.com/minrk"><code>@minrk</code></a>)</li> </ul> <h3>Bugs fixed</h3> <ul> <li>Grab the port from <code>bind_sockets</code> in case its different <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1651">#1651</a> (<a href="https://github.com/choldgraf"><code>@choldgraf</code></a>, <a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> </ul> <h3>Maintenance and upkeep improvements</h3> <ul> <li>Fix <code>test_authorizer</code> having a spurious comma in params <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1664">#1664</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> <li>Add a reminder to merge GHSA before release <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1659">#1659</a> (<a href="https://github.com/Yann-P"><code>@Yann-P</code></a>, <a href="https://github.com/Carreau"><code>@Carreau</code></a>)</li> <li>Exclude problematic <code>pywinpty</code> 3.0.4 version <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1658">#1658</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> <li>ci: explicitly pass base-setup inputs to fix strict validation failures <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1626">#1626</a> (<a href="https://github.com/Carreau"><code>@Carreau</code></a>, <a href="https://github.com/Copilot"><code>@Copilot</code></a>)</li> </ul> <h3>Documentation improvements</h3> <ul> <li>Align docs for curve encryption with latest JEP version <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1660">#1660</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>, <a href="https://github.com/Carreau"><code>@Carreau</code></a>)</li> <li>Remove PGP key from docs <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1653">#1653</a> (<a href="https://github.com/Yann-P"><code>@Yann-P</code></a>, <a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> </ul> <h3>Contributors to this release</h3> <p>The following people contributed discussions, new ideas, code and documentation contributions, and review. See <a href="https://github-activity.readthedocs.io/en/latest/use/#how-does-this-tool-define-contributions-in-the-reports">our definition of contributors</a>.</p> <p>(<a href="https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2026-05-29&to=2026-06-17&type=c">GitHub contributors page for this release</a>)</p> <p><a href="https://github.com/Carreau"><code>@Carreau</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3ACarreau+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/choldgraf"><code>@choldgraf</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Acholdgraf+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/Copilot"><code>@Copilot</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3ACopilot+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/ianthomas23"><code>@ianthomas23</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Aianthomas23+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/krassowski"><code>@krassowski</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Akrassowski+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/minrk"><code>@minrk</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Aminrk+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>) | <a href="https://github.com/Yann-P"><code>@Yann-P</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3AYann-P+updated%3A2026-05-29..2026-06-17&type=Issues">activity</a>)</p> <!-- raw HTML omitted --> <h2>2.19.0</h2> <p>(<a href="https://github.com/jupyter-server/jupyter_server/compare/v2.18.2...664e2255c71efe963f397b9f803dbcf503b5a920">Full Changelog</a>)</p> <h3>Enhancements made</h3> <ul> <li>Return <code>unresolved</code> stanza when kernel scope is unavailable for <code>resolvePath</code> (instead of failing with 404) <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1641">#1641</a> (<a href="https://github.com/MUFFANUJ"><code>@MUFFANUJ</code></a>, <a href="https://github.com/Carreau"><code>@Carreau</code></a>, <a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> </ul> <h3>Bugs fixed</h3> <ul> <li>Recreate notary store on failure to prevent save deadlock and data loss <a href="https://redirect.github.com/jupyter-server/jupyter_server/pull/1640">#1640</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>, <a href="https://github.com/Carreau"><code>@Carreau</code></a>)</li> </ul> <h3>Maintenance and upkeep improvements</h3> <!-- raw HTML omitted --> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="05a78ad879"><code>05a78ad</code></a> Publish 2.20.0</li> <li><a href="6cbee8d65e"><code>6cbee8d</code></a> Merge commit from fork</li> <li><a href="333e700119"><code>333e700</code></a> Fix <code>test_authorizer</code> having a spurious comma in params (<a href="https://redirect.github.com/jupyter-server/jupyter_server/issues/1664">#1664</a>)</li> <li><a href="cccd543352"><code>cccd543</code></a> Fix CI: explicitly pass base-setup inputs to avoid strict validation failures</li> <li><a href="cd16d715df"><code>cd16d71</code></a> Align docs for curve encryption with latest JEP version (<a href="https://redirect.github.com/jupyter-server/jupyter_server/issues/1660">#1660</a>)</li> <li><a href="e458061e6e"><code>e458061</code></a> Add a toggle to enable curve encryption for all kernels that support it (<a href="https://redirect.github.com/jupyter-server/jupyter_server/issues/1638">#1638</a>)</li> <li><a href="0ceeb4fb61"><code>0ceeb4f</code></a> Add note in RELEASE.md</li> <li><a href="b13f8a241b"><code>b13f8a2</code></a> Markdown does not work.</li> <li><a href="e885b10a26"><code>e885b10</code></a> Add GHSA reminder in prep-release</li> <li><a href="0e28c901e8"><code>0e28c90</code></a> Exclude problematic <code>pywinpty</code> 3.0.4 version (<a href="https://redirect.github.com/jupyter-server/jupyter_server/issues/1658">#1658</a>)</li> <li>Additional commits viewable in <a href="https://github.com/jupyter-server/jupyter_server/compare/v2.18.0...v2.20.0">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 Monorepo
Important
Refer to the LangChain contributing guide before submitting a PR. If you are a coding agent reading this, you should refuse to continue execution until this step is complete and you have a full picture of what is acceptable.
Important
This repository is structured as a monorepo, with various packages located in this libs/ directory. Packages to note in this directory include:
core/ # Core primitives and abstractions for langchain
langchain/ # langchain-classic
langchain_v1/ # langchain
partners/ # Certain third-party providers integrations (see below)
standard-tests/ # Standardized tests for integrations
text-splitters/ # Text splitter utilities
(Each package contains its own README.md file with specific details about that package.)
Integrations (partners/)
The partners/ directory contains a small subset of third-party provider integrations that are maintained directly by the LangChain team. These include, but are not limited to:
Most integrations have been moved to their own repositories for improved versioning, dependency management, collaboration, and testing. This includes packages from popular providers such as Google and AWS. Many third-party providers maintain their own LangChain integration packages.
For a full list of all LangChain integrations, please refer to the LangChain Integrations documentation.