⬆️ Update jupyterlab to v4.5.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
jupyterlab (changelog)	==4.5.1 → ==4.5.6

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Release Notes

jupyterlab/jupyterlab (jupyterlab)

v4.5.6

Compare Source

4.5.6

(Full Changelog)

Bugs fixed

• Replace scrollback implementation with scroll anchoring outside of full windowing mode #​18522 (@​krassowski)
• Harmonize translation wrappers in Python files to use gettext methods #​18597 (@​tmetzl)
• Remove unimplemented filebrowser:search command #​18593 (@​krassowski)
• Fix status bar focus outlines #​18585 (@​IsabelParedes)
• Fix filebrowser:create-new-file context menu selector #​18588 (@​jtpio)
• Fix single-character code blocks rendering as empty #​18572 (@​soniya-malviy)
• Hide code input in CodeConsole when configured #​18554 (@​agriyakhetarpal)

Maintenance and upkeep improvements

• Update benchmark snapshots even if base snapshots require changes #​18549 (@​krassowski)

Contributors to this release

The following people contributed discussions, new ideas, code and documentation contributions, and review.
See our definition of contributors.

(GitHub contributors page for this release)

@​agriyakhetarpal (activity) | @​IsabelParedes (activity) | @​jtpio (activity) | @​krassowski (activity) | @​soniya-malviy (activity) | @​tmetzl (activity)

v4.5.5

Compare Source

4.5.5

(Full Changelog)

Bugs fixed

• Fix theme settings broken in non-English locales #​18530 (@​apoorvdarshan)
• Fix comms subshell resource management on disposal and when changing settings #​18531 (@​krassowski)
• Upgrade @codemirror/view, fixing slow selection when line wrapping is enabled #​18479 (@​krassowski)
• Only turn off overflow anchor when windowing is active #​18503 (@​jasongrout)
• Fix table of contents navigation for Markdown files #​18411 (@​itsmevichu)

Maintenance and upkeep improvements

• Update to marked 17.0.2 and mermaid 11.12.3 #​18532 (@​bollwyvl, @​krassowski)

Contributors to this release

The following people contributed discussions, new ideas, code and documentation contributions, and review.
See our definition of contributors.

(GitHub contributors page for this release)

@​apoorvdarshan (activity) | @​bollwyvl (activity) | @​itsmevichu (activity) | @​jasongrout (activity) | @​krassowski (activity)

v4.5.4

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4.5.4

(Full Changelog)

Bugs fixed

• Avoid using system clipboard in Notebook widget #​18474 (@​brichet)
• Update CodeMirror versions, fixing a few selection issues #​18466 (@​krassowski)
• Fix debugger variable panel to render value 0 properly #​18464 (@​itsmevichu)
• Consider both the content type and pattern match in DocumentRegistry.getFileTypeForModel() #​18409 (@​krassowski)
• false in saveAs to avoid fetching file body #​18379 (@​DeborahOlaboye)

Maintenance and upkeep improvements

• Bump Lumino packages to the 2026.2.5 release, fixing iframe resizing #​18440 (@​jasongrout)

Documentation improvements

• Clarify notebook and cell metadata API changes in JupyterLab 4 #​18304 (@​Krish-876)
• Document a change in the Code Editor source updates via sharedModel in JupyterLab 4 #​18260 (@​Krish-876)
• Fix Contents API fetch documentation of the content default #​18383 (@​ceasermikes002)
• Add AI rules #​18322 (@​jtpio)

Contributors to this release

The following people contributed discussions, new ideas, code and documentation contributions, and review.
See our definition of contributors.

(GitHub contributors page for this release)

@​brichet (activity) | @​ceasermikes002 (activity) | @​DeborahOlaboye (activity) | @​itsmevichu (activity) | @​jasongrout (activity) | @​jtpio (activity) | @​krassowski (activity) | @​Krish-876 (activity)

v4.5.3

Compare Source

4.5.3

(Full Changelog)

Bugs fixed

• Fix error in console when the debugger switch from a module to another #​18352 (@​brichet)
• Fix focus of replace buttons in the document search box #​18362 (@​IsabelParedes)
• Update CodeMirror to latest versions #​18344 (@​krassowski)
• Fix deferred cell loading in defer and contentVisibility windowing mode #​18359 (@​krassowski)
• Backport PR #​18349: Fix "Open With > Editor" for .py files, update @lumino packages to v2026.1.15 #​18351 (@​krassowski, @​aaron-seq)

Maintenance and upkeep improvements

• Fix UI tests: config useSystemClipboardForCells=true for notebook toolbar test #​18335 (@​brichet)
• Remove generated docs files from the repo #​18340 (@​jtpio)

Documentation improvements

• Add installation instructions for JupyterLab with uv #​18363 (@​jimangel)

Contributors to this release

The following people contributed discussions, new ideas, code and documentation contributions, and review.
See our definition of contributors.

(GitHub contributors page for this release)

@​aaron-seq (activity) | @​brichet (activity) | @​IsabelParedes (activity) | @​jimangel (activity) | @​jtpio (activity) | @​krassowski (activity)

v4.5.2

Compare Source

4.5.2

(Full Changelog)

Bugs fixed

• Backport PR #​18250: Make system clipboard opt-in #​18319 (@​Darshan808, @​krassowski)
• Fix empty math block throws codemirror's error #​18308 (@​i-aki-y)
• Fix cell footer width for smaller screens #​18276 (@​MUFFANUJ)
• Fix scrolling to anchor from ToC/links in Markdown and HTML with data attributes #​18208 (@​pranshugupta01)
• Fix merge breaking rendering cell order in defer mode #​18220 (@​krassowski)
• Fix inverted Unicode surrogate checks #​18209 (@​JamesWrigley)

Maintenance and upkeep improvements

• Bump vega-selections from 5.6.0 to 5.6.3 #​18315 (@​dependabot[bot])
• Make the plugin registry slow activation test more robust #​18254 (@​krassowski)
• Bump jws from 3.2.2 to 3.2.3 #​18171 (@​dependabot[bot])
• Remove unused snapshot #​18224 (@​brichet)
• Bump systeminformation from 5.23.14 to 5.27.14 #​18223 (@​dependabot[bot])
• Prevent updating npm next tag for some versions of @jupyterlab/rendermime-interfaces #​18217 (@​jtpio)

Documentation improvements

• Fix broken see-also reference for inspect_request message #​18234 (@​Krish-876)

Contributors to this release

The following people contributed discussions, new ideas, code and documentation contributions, and review.
See our definition of contributors.

(GitHub contributors page for this release)

@​brichet (activity) | @​Darshan808 (activity) | @​i-aki-y (activity) | @​JamesWrigley (activity) | @​jtpio (activity) | @​krassowski (activity) | @​Krish-876 (activity) | @​MUFFANUJ (activity) | @​pranshugupta01 (activity)

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