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>  </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>  <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>  </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/jupyter-server/jupyter_server/commit/05a78ad879e69ef87e91b2714a8ebeb5ff9628a7"><code>05a78ad</code></a> Publish 2.20.0</li> <li><a href="https://github.com/jupyter-server/jupyter_server/commit/6cbee8d65e71abac851c4492fea987ad080580bd"><code>6cbee8d</code></a> Merge commit from fork</li> <li><a href="https://github.com/jupyter-server/jupyter_server/commit/333e700119ee0bcc0b5fcd4c158213d7c275c778"><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="https://github.com/jupyter-server/jupyter_server/commit/cccd543352d9be0365de56627b671cc8aa9cab0c"><code>cccd543</code></a> Fix CI: explicitly pass base-setup inputs to avoid strict validation failures</li> <li><a href="https://github.com/jupyter-server/jupyter_server/commit/cd16d715dfb1f84b2e5056317927fc930b811842"><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="https://github.com/jupyter-server/jupyter_server/commit/e458061e6ee50368bbdb74153092fc8400704ee0"><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="https://github.com/jupyter-server/jupyter_server/commit/0ceeb4fb61be1deaaa7c1ff01325f7dd47db1c46"><code>0ceeb4f</code></a> Add note in RELEASE.md</li> <li><a href="https://github.com/jupyter-server/jupyter_server/commit/b13f8a241b1111e402457e1d0b1cce252d8e1e5e"><code>b13f8a2</code></a> Markdown does not work.</li> <li><a href="https://github.com/jupyter-server/jupyter_server/commit/e885b10a26c11caf109007a901153d1ac373c14d"><code>e885b10</code></a> Add GHSA reminder in prep-release</li> <li><a href="https://github.com/jupyter-server/jupyter_server/commit/0e28c901e8bc0953d61611fe8cb018460433288f"><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 /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=jupyter-server&package-manager=uv&previous-version=2.18.0&new-version=2.20.0)](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. 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