Bumps [jupyterlab](https://github.com/jupyterlab/jupyterlab) from 4.5.3 to 4.5.4. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/jupyterlab/jupyterlab/releases">jupyterlab's releases</a>.</em></p> <blockquote> <h2>v4.5.4</h2> <h2>4.5.4</h2> <p>(<a href="https://github.com/jupyterlab/jupyterlab/compare/v4.5.3...19f81fcfb33889b59260da8b5aa9221379f10d11">Full Changelog</a>)</p> <h3>Bugs fixed</h3> <ul> <li>Avoid using system clipboard in Notebook widget <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18474">#18474</a> (<a href="https://github.com/brichet"><code>@brichet</code></a>)</li> <li>Update CodeMirror versions, fixing a few selection issues <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18466">#18466</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> <li>Fix debugger variable panel to render value 0 properly <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18464">#18464</a> (<a href="https://github.com/itsmevichu"><code>@itsmevichu</code></a>)</li> <li>Consider both the content type and pattern match in <code>DocumentRegistry.getFileTypeForModel()</code> <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18409">#18409</a> (<a href="https://github.com/krassowski"><code>@krassowski</code></a>)</li> <li>false in saveAs to avoid fetching file body <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18379">#18379</a> (<a href="https://github.com/DeborahOlaboye"><code>@DeborahOlaboye</code></a>)</li> </ul> <h3>Maintenance and upkeep improvements</h3> <ul> <li>Bump Lumino packages to the 2026.2.5 release, fixing iframe resizing <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18440">#18440</a> (<a href="https://github.com/jasongrout"><code>@jasongrout</code></a>)</li> </ul> <h3>Documentation improvements</h3> <ul> <li>Clarify notebook and cell metadata API changes in JupyterLab 4 <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18304">#18304</a> (<a href="https://github.com/Krish-876"><code>@Krish-876</code></a>)</li> <li>Document a change in the Code Editor source updates via <code>sharedModel</code> in JupyterLab 4 <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18260">#18260</a> (<a href="https://github.com/Krish-876"><code>@Krish-876</code></a>)</li> <li>Fix Contents API fetch documentation of the <code>content</code> default <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18383">#18383</a> (<a href="https://github.com/ceasermikes002"><code>@ceasermikes002</code></a>)</li> <li>Add AI rules <a href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18322">#18322</a> (<a href="https://github.com/jtpio"><code>@jtpio</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/jupyterlab/jupyterlab/graphs/contributors?from=2026-01-23&to=2026-02-11&type=c">GitHub contributors page for this release</a>)</p> <p><a href="https://github.com/brichet"><code>@brichet</code></a> (<a href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Abrichet+updated%3A2026-01-23..2026-02-11&type=Issues">activity</a>) | <a href="https://github.com/ceasermikes002"><code>@ceasermikes002</code></a> (<a href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Aceasermikes002+updated%3A2026-01-23..2026-02-11&type=Issues">activity</a>) | <a href="https://github.com/DeborahOlaboye"><code>@DeborahOlaboye</code></a> (<a href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3ADeborahOlaboye+updated%3A2026-01-23..2026-02-11&type=Issues">activity</a>) | <a href="https://github.com/itsmevichu"><code>@itsmevichu</code></a> (<a href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Aitsmevichu+updated%3A2026-01-23..2026-02-11&type=Issues">activity</a>) | <a href="https://github.com/jasongrout"><code>@jasongrout</code></a> (<a href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Ajasongrout+updated%3A2026-01-23..2026-02-11&type=Issues">activity</a>) | <a href="https://github.com/jtpio"><code>@jtpio</code></a> (<a href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Ajtpio+updated%3A2026-01-23..2026-02-11&type=Issues">activity</a>) | <a href="https://github.com/krassowski"><code>@krassowski</code></a> (<a href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Akrassowski+updated%3A2026-01-23..2026-02-11&type=Issues">activity</a>) | <a href="https://github.com/Krish-876"><code>@Krish-876</code></a> (<a href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3AKrish-876+updated%3A2026-01-23..2026-02-11&type=Issues">activity</a>)</p> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/2ecc1eed9944d9ad080f8c3f8206285338065af4"><code>2ecc1ee</code></a> [ci skip] Publish 4.5.4</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/19f81fcfb33889b59260da8b5aa9221379f10d11"><code>19f81fc</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18474">#18474</a> on branch 4.5.x (Avoid using system clipboard in Notebook ...</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/b82e6d75338a27b218298e254b6d31e1d2bd2daf"><code>b82e6d7</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18466">#18466</a> on branch 4.5.x (Update CodeMirror versions, fixing a few ...</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/c70c36e3c5ece87be55a836f45a6965e75a3d84c"><code>c70c36e</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18440">#18440</a> on branch 4.5.x (Bump Lumino packages to the 2026.2.5 rele...</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/23b9ff52b4d97f33c1fce10089842f51787489ff"><code>23b9ff5</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18464">#18464</a> on branch 4.5.x (Fix debugger variable panel to render val...</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/553d941f6161e20eed5ddffa85a0da0538e05996"><code>553d941</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18409">#18409</a> on branch 4.5.x (Consider both the content type and patter...</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/d8acd39e47e71a1732bbca4757355f66b0f3197b"><code>d8acd39</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18304">#18304</a> on branch 4.5.x (Clarify notebook and cell metadata API ch...</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/e0219696094436eab6a62e4bf5784437bcf0e5a4"><code>e021969</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18260">#18260</a> on branch 4.5.x (Document a change in the Code Editor sour...</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/dc39ba5e79190d8721932fee6ece0a329655c667"><code>dc39ba5</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18383">#18383</a> on branch 4.5.x (Fix Contents API fetch documentation of t...</li> <li><a href="https://github.com/jupyterlab/jupyterlab/commit/fd57db92797b12ac0787347a4aa464e71ef38ddc"><code>fd57db9</code></a> Backport PR <a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18322">#18322</a>: Add AI rules (<a href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18395">#18395</a>)</li> <li>Additional commits viewable in <a href="https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/lsp@4.5.3...@jupyterlab/lsp@4.5.4">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=jupyterlab&package-manager=uv&previous-version=4.5.3&new-version=4.5.4)](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`. 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