v4.6.3

4.6.3

(Full Changelog)

Bugs fixed

• Fix Shift-click cell selection after editor text selection #19243 (@MUFFANUJ)
• Fix active cell prompt and source blink in notebook tools & prevent a memory leak #19168 (@MUFFANUJ)
• Update the item positions when an item is removed from reactive toolbar #19227 (@brichet)
• Fix variable inspection, document autocomplete and variable inspect/render #19234 (@krassowski)
• Show "starting" rather than "idle" status when changing kernel via SessionContext.changeKernel() #19166 (@Zsailer)

Maintenance and upkeep improvements

• Update Altair snapshot #19204 (@krassowski)
• Switch pre-commit to language: system #19193 (@krassowski)

Documentation improvements

• Update JEP 91 link to the new MyST docs URL #19212 (@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) | @jtpio (activity) | @krassowski (activity) | @MUFFANUJ (activity) | @Zsailer (activity)

v4.7.0a1

4.7.0a1

(Full Changelog)

Security patches

• GHSA-gx64-gj6p-pc4c
• GHSA-89vp-jrxv-24w8
• GHSA-h5v5-8746-g7mm
• GHSA-pppj-hq3g-57pj
• GHSA-whvh-wf3x-g77j

Enhancements made

• Add support for renaming code consoles #19156 (@jtpio, @krassowski)
• Use home icon for home preferred directory #19137 (@MUFFANUJ, @krassowski)
• Update to xterm.js 6.0 #19134 (@jtpio, @krassowski)
• Add manual Galata flakiness report workflow #19130 (@MUFFANUJ, @krassowski)
• Use the widest row as the column count in the CSV viewer #19058 (@GagandeepSingh20, @MUFFANUJ, @krassowski)
• Use @plutojl/lang-julia for CodeMirror 6 Julia support #19049 (@fonsp, @krassowski)
• Switch default hidden mode to content visibility #18879 (@krassowski, @Darshan808, @jtpio)
• Update shortcut to activate and focus file browser #18672 (@IsabelParedes, @krassowski)
• Improve notebook export menu guidance #18656 (@MUFFANUJ, @jtpio, @krassowski)

Bugs fixed

• Security patches #19184 (@krassowski, @MUFFANUJ)
• Stabilize Open in Terminal Galata test on Firefox #19152 (@MUFFANUJ, @krassowski)
• Fix notebook initialization stealing focus #19149 (@MUFFANUJ, @krassowski)
• Fix stale document load after rename during initialization #19144 (@MUFFANUJ, @krassowski)
• Clear stale Table of Contents error markers #19143 (@MUFFANUJ, @krassowski)
• Fix bottom activity bar restoring as collapsed #19136 (@MUFFANUJ, @krassowski)
• Fix spurious 3s kernel restart delay #19126 (@afshin, @krassowski)
• Handle invalid file browser drag target #19122 (@GagandeepSingh20, @krassowski)
• Update shortcuts settings UI on external preference saves #19121 (@MUFFANUJ, @krassowski)
• Fix resolving platform-specific shortcuts in keyboard shortcuts #19112 (@krassowski, @MUFFANUJ)
• Add CSP sandbox startup test, fix startup in environments without window.localStorage #19030 (@MUFFANUJ, @krassowski)
• Stabilize flaky Firefox notebook Galata tests #19008 (@MUFFANUJ, @krassowski)

Maintenance and upkeep improvements

• Stabilize notebook scroll anchoring Galata test #19151 (@MUFFANUJ, @krassowski)
• Update Jupyter Releaser GitHub Actions #19145 (@jtpio, @Darshan808, @krassowski)
• Harden type checks by removing any (remove no-explicit-any suppressions) #19135 (@MUFFANUJ, @krassowski)
• Move SettingConnector to @jupyterlab/settingregistry and export it #19132 (@jtpio, @brichet, @krassowski)

Documentation improvements

• Document how to assign a keyboard shortcut to a command without a default #19154 (@JoeyAsh96, @krassowski)
• Fix a typo in release notes #19116 (@krassowski)
• Update migration guide - 4.6 was released #19108 (@krassowski)
• Add a standalone localization example #19066 (@NONAN23x, @krassowski)

Other merged PRs

• Bump brace-expansion from 1.1.11 to 1.1.16 in /jupyterlab/tests/mock_packages/test_no_hyphens #19179 (@krassowski)
• Bump axios from 1.16.0 to 1.18.1 #19178 (@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)

@afshin (activity) | @brichet (activity) | @Darshan808 (activity) | @fonsp (activity) | @GagandeepSingh20 (activity) | @IsabelParedes (activity) | @JoeyAsh96 (activity) | @jtpio (activity) | @krassowski (activity) | @MUFFANUJ (activity) | @NONAN23x (activity)

v4.6.2

4.6.2

(Full Changelog)

Security patches

• GHSA-gx64-gj6p-pc4c: Image viewer allows XSS when opening malicious image in new browser tab
• GHSA-89vp-jrxv-24w8: PyPI extension blocklist package-name canonicalization bypass
• GHSA-h5v5-8746-g7mm: PluginManager lock-rule enforcement bypass
• GHSA-pppj-hq3g-57pj: Cross-site scripting (XSS) via crafted settings file (overrides.json)
• GHSA-whvh-wf3x-g77j: Allowlist/blocklist check in PyPIExtensionManager.install() not enforced for direct callers (missing await)

Bugs fixed

• Backport of security patches to 4.6.x branch #19185 (@krassowski, @MUFFANUJ)
• Fix resolving platform-specific shortcuts in keyboard shortcuts #19112 (@krassowski)
• Clear stale Table of Contents error markers #19143 (@MUFFANUJ)
• Fix stale document load after rename during initialization #19144 (@MUFFANUJ)
• Fix notebook initialization stealing focus #19149 (@MUFFANUJ)
• Fix spurious 3s kernel restart delay #19126 (@afshin)
• Stabilize Open in Terminal Galata test on Firefox #19152 (@MUFFANUJ)
• Fix bottom activity bar restoring as collapsed #19136 (@MUFFANUJ)
• Handle invalid file browser drag target #19122 (@GagandeepSingh20)
• Stabilize flaky Firefox notebook Galata tests #19008 (@MUFFANUJ)

Maintenance and upkeep improvements

• Update Jupyter Releaser GitHub Actions #19145 (@jtpio)

Documentation improvements

• Fix a typo in release notes #19116 (@krassowski)
• Update migration guide - 4.6 was released #19108 (@krassowski)

Other merged PRs

• Bump brace-expansion from 1.1.11 to 1.1.16 in /jupyterlab/tests/mock_packages/test_no_hyphens #19179 (@dependabot[bot])
• Bump axios from 1.16.0 to 1.18.1 #19178 (@dependabot[bot])

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)

@afshin (activity) | @GagandeepSingh20 (activity) | @jtpio (activity) | @krassowski (activity) | @MUFFANUJ (activity)

v4.5.10

4.5.10

(Full Changelog)

Security patches

• GHSA-gx64-gj6p-pc4c
• GHSA-89vp-jrxv-24w8
• GHSA-h5v5-8746-g7mm
• GHSA-pppj-hq3g-57pj
• GHSA-whvh-wf3x-g77j

Bugs fixed

• Backport of security patches to 4.5.x branch #19186 (@krassowski, @MUFFANUJ)

Maintenance and upkeep improvements

• Reconfigure 4.5.x branch (4.6.x is new stable) #19060 (@krassowski)
• Split external link checks and only run if diff includes a URL #19029 (@MUFFANUJ)

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)

@krassowski (activity) | @MUFFANUJ (activity)

v4.7.0a0

4.7.0a0

(Full Changelog)

Enhancements made

• Add an optional widget ID to 'application:split-tab' command #19077 (@brichet, @jtpio, @krassowski)
• Expose generic LSP request API #19067 (@MUFFANUJ, @krassowski)
• Add runtime LSP provider registration #18985 (@MUFFANUJ, @krassowski)
• Add local zizmor pre-commit hook and pin CI/local versions #18974 (@MUFFANUJ, @Yann-P, @krassowski)
• Remove no-explicit-any suppressions #18869 (@MUFFANUJ, @krassowski)
• Include videos for PR-modified tests in UI reports #18865 (@MUFFANUJ, @DTiming24, @krassowski)
• Improve placeholder in the rendered markdown cell #18282 (@MUFFANUJ, @Yann-P, @jasongrout, @krassowski)
• Add option to display pager output in a bottom panel #18179 (@MUFFANUJ, @brichet, @goelakash, @jtpio, @krassowski)

Bugs fixed

• Fix multiple dropdown settings not rendering in the Setting Editor #19092 (@krassowski, @Darshan808)
• Fix Font Awesome icon rendering on buttons #19091 (@krassowski, @MUFFANUJ)
• Fix Ctrl + Shift + Z shortcut for redo #19088 (@krassowski, @MUFFANUJ)
• Wait for launcher icons before screenshots #19076 (@MUFFANUJ, @krassowski)
• Use anchor positioning for search box placement #19055 (@krassowski, @MUFFANUJ, @jtpio)
• Fixes keyboard navigation of plugin list in Settings Editor #19028 (@IsabelParedes, @krassowski)
• Respect maxNumberOutputs when stdin is requested #19009 (@MUFFANUJ, @krassowski)
• Fix scrollToCell for cells not yet rendered in defer / contentVisibility modes #18987 (@Darshan808, @Copilot, @krassowski)
• Fix moving cells: preserve output and execution state #18874 (@krassowski, @Darshan808)
• Queue settings saves to avoid toggle race #18864 (@MUFFANUJ, @krassowski)
• Refactor selection logic for collapsed headings #18084 (@Meriem-BenIsmail, @Darshan808, @MUFFANUJ, @afshin, @brichet, @krassowski, @savchenko, @seankcn, @syedwasimwb)

Maintenance and upkeep improvements

• Remove no-explicit-any suppressions #19065 (@MUFFANUJ, @krassowski)
• Add return type annotations for some command utility functions #19064 (@GagandeepSingh20, @krassowski)
• Enable non-nullable type assertion style lint rule #19063 (@MUFFANUJ, @krassowski)
• Split PR title spell check into pull_request workflow #19059 (@MUFFANUJ, @krassowski)
• Move jest-environment-jsdom to dev dependencies section in filebrowser package #19054 (@martinRenou, @krassowski)
• Check PR titles for spelling #19053 (@MUFFANUJ, @Copilot, @krassowski)
• Add bot support for updating example snapshots #19007 (@MUFFANUJ, @krassowski)
• Do not disable immutable installs #18940 (@krassowski, @jtpio)

Documentation improvements

• Update banner and installation docs after 4.6.0 release #19048 (@krassowski)
• Document Mermaid support in Markdown cells #18325 (@Krish-876, @krassowski)

Other merged PRs

• Bump dompurify from 3.4.10 to 3.4.11 #19056 (@krassowski)
• Bump ws from 8.18.1 to 8.21.0 in /jupyterlab/tests/mock_packages/test-hyphens-underscore #19042 (@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)

@afshin (activity) | @brichet (activity) | @Copilot (activity) | @Darshan808 (activity) | @DTiming24 (activity) | @GagandeepSingh20 (activity) | @goelakash (activity) | @IsabelParedes (activity) | @jasongrout (activity) | @jtpio (activity) | @krassowski (activity) | @Krish-876 (activity) | @martinRenou (activity) | @Meriem-BenIsmail (activity) | @MUFFANUJ ([activity](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+invo...

v4.6.1

4.6.1

(Full Changelog)

Enhancements made

• Include videos for PR-modified tests in UI reports #18865 (@MUFFANUJ)
• Add an optional widget ID to 'application:split-tab' command #19077 (@brichet)

Bugs fixed

• Fix moving cells: preserve output and execution state #18874 (@krassowski)
• Fix Ctrl + Shift + Z shortcut for redo #19088 (@krassowski)
• Fix Font Awesome icon rendering on buttons #19091 (@krassowski)
• Wait for launcher icons before screenshots #19076 (@MUFFANUJ)
• Fix multiple dropdown settings not rendering in the Setting Editor #19092 (@krassowski)
• Use anchor positioning for search box placement #19055 (@krassowski)
• Fix scrollToCell for cells not yet rendered in defer / contentVisibility modes #18987 (@Darshan808)
• Queue settings saves to avoid toggle race #18864 (@MUFFANUJ)

Maintenance and upkeep improvements

• Do not disable immutable installs #18940 (@krassowski)
• Add bot support for updating example snapshots #19007 (@MUFFANUJ)
• Split PR title spell check into pull_request workflow #19059 (@MUFFANUJ)
• Reconfigure 4.6.x branch #19061 (@krassowski)

Documentation improvements

• Document Mermaid support in Markdown cells #18325 (@Krish-876)

Other merged PRs

• Bump dompurify from 3.4.10 to 3.4.11 #19056 (@dependabot[bot])

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) | @DTiming24 (activity) | @krassowski (activity) | @Krish-876 (activity) | @MUFFANUJ (activity)

v4.6.0

4.6.0

• Full Release Notes
• Full Changelog

New features added

• Support horizontal activity bars #18832 (@jtpio, @krassowski)
• Expose cell index and cell count in the statusbar #18708 (@krassowski, @jtpio)
• Allow moving sections between panels #18703 (@Darshan808, @Carreau, @brichet, @jtpio, @krassowski)
• Make the breadcrumbs in filebrowser editable + completion #18571 (@Carreau, @krassowski)
• Add "Date Created" column to file browser #18533 (@ktaletsk, @RRosio, @cursoragent, @krassowski)
• Add command and buttons to select previous/next last modified cell #18210 (@Yahiewi, @brichet, @krassowski)
• feat(completer): Add syntax highlighting for ghost text #18073 (@MUFFANUJ, @Darshan808, @jtpio, @krassowski)

Deprecated features

• Replace deprecated keyCode with key #18674 (@IsabelParedes, @krassowski)
• Drives: Deprecate the notion of defaultContentProvider #18169 (@martinRenou, @brichet, @jasongrout, @jtpio, @krassowski)

Enhancements made

• Update lumino to v2026.5.25 #18942 (@krassowski, @jtpio)
• Improve scroll overlay icon placement #18907 (@krassowski, @jtpio)
• Optimize resizing dock panels (with an opt-out) #18877 (@krassowski, @Darshan808)
• Use resolvePath API for traceback path resolution #18876 (@MUFFANUJ, @krassowski)
• Add loading animation for file browser refresh action #18855 (@Siddhazntx, @krassowski)
• Upgrade Stylelint to v16 #18848 (@MUFFANUJ, @krassowski)
• Add category-level ordering support for launcher sections via categoryRank #18779 (@tsharma-dev, @MUFFANUJ, @krassowski)
• File browser: replace Preferred icon to avoid confusion with Home #18773 (@tsharma-dev, @Carreau, @IsabelParedes, @krassowski)
• Ask if the user wants to sanitize HTML export and send param to jupyter server #18765 (@Yann-P, @krassowski)
• Add a setting to disable the dock panel padding #18760 (@jtpio, @krassowski)
• Remove Simple Mode switch from the status bar #18757 (@jtpio, @aarondr77, @krassowski)
• Add toggle command for output scrolling #18754 (@itsmejay80, @krassowski)
• Refactor shared document dirty state #18739 (@davidbrochart, @SylvainCorlay, @brichet, @jtpio, @krassowski)
• Restrict 1-6 shortcuts for converting cell to headings to Markdown cells #18734 (@krassowski, @jtpio)
• Add "toggle hidden file" to command palette #18732 (@Carreau, @krassowski)
• Add command and Command Palette entry for crumbs path edition #18729 (@Carreau, @Copilot, @krassowski)
• Integrate Plugin Playground into docs #18726 (@MUFFANUJ, @Carreau, @jtpio, @krassowski)
• Allow reset query parameter with values (e.g. ?reset=1) #18702 (@tubaman, @claude, @itsmejay80, @krassowski)
• Improve Keyboard Shortcuts in Settings Editor #18655 (@IsabelParedes, @krassowski)
• Fix accessibility of Keyboard Shortcuts dialog #18650 (@IsabelParedes, @jayaprajapatii, @krassowski)
• Update default font family to honor macOS system-wide ui-monospace #18647 (@flaviomartins, @krassowski)
• Add deletable toggle to common tools notebook widget #18645 (@cmarmo, @krassowski)
• Improve focus indicators #18619 (@IsabelParedes, @krassowski)
• Expose IDefaultFileBrowserRenderer to customize the default file browser renderer #18600 (@jtpio, @krassowski)
• Persist file browser sort state in state DB #18596 (@statxc, @krassowski)
• Add language pack installation support via Settings > Language menu #18595 (@bittoby, @krassowski)
• Improve screen reader behavior in launcher/notebook and add tests #18570 (@autodots-AHassan, @krassowski)
• Fall back to line comments when block comment syntax is unavailable #18563 (@altis0725, @claude, @krassowski)
• Render inline completion for all cursors #18555 (@MUFFANUJ, @krassowski)
• Clear file browser filter when changing directories #18548 (@RRosio, @Copilot, @krassowski)
• Galata: fix fonts and font rendering for consistency #18535 (@krassowski, @brichet, @jtpio)
• ENH: terminal shift enter #18523 (@ianhi, @jtpio, @krassowski)
• Expand the file browser breadcrumbs when there is space available adaptively [#18430]...

v4.6.0rc1

4.6.0rc1

(Full Changelog)

Bugs fixed

• Fix flaky filebrowser filter navigation test #19015 (@MUFFANUJ, @krassowski)
• Forbid relative URLs in extensionmanager #19013 (@Yann-P, @krassowski)
• Avoid debugger toolbar button flicker during kernel startup #19006 (@MUFFANUJ, @krassowski)

Maintenance and upkeep improvements

• Stabilize subpixel editor line shift on Welcome screenshot #19039 (@krassowski, @MUFFANUJ)
• Update @jupyter/ydoc to final 4.0 #19034 (@krassowski)
• Split external link checks and only run if diff includes a URL #19029 (@MUFFANUJ, @krassowski)
• Baseline spelling cleanup for docs and README files #19025 (@MUFFANUJ, @krassowski)
• Make docs dependencies a dependency group #19024 (@MUFFANUJ, @bollwyvl, @krassowski)
• Update @jupyter/ydoc v4.0.0-b1 #19023 (@davidbrochart, @krassowski)
• Drop setuptools dependency #19020 (@krassowski, @Darshan808, @MUFFANUJ, @bollwyvl)

Documentation improvements

• Update user-facing changelog for 4.6.0 RC #19019 (@krassowski, @Yann-P)

Other merged PRs

• Bump markdown-it from 14.1.0 to 14.2.0 #19041 (@krassowski)
• Bump form-data from 4.0.5 to 4.0.6 #19040 (@krassowski)
• Bump dompurify from 3.4.0 to 3.4.10 #19037 (@krassowski)
• Bump @babel/core from 7.21.0 to 7.29.6 #19036 (@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)

@bollwyvl (activity) | @Darshan808 (activity) | @davidbrochart (activity) | @krassowski (activity) | @MUFFANUJ (activity) | @Yann-P (activity)

v4.5.9

4.5.9

(Full Changelog)

Bugs fixed

• Fix jupyter labextension build crash on webpack ≥ 5.107 #19021 (@Darshan808, @krassowski)
• Backport PR #18992: Fix hidden cells after moving collapsed headings #19016 (@MUFFANUJ, @krassowski)
• Forbid relative URLs in extensionmanager #19013 (@Yann-P)
• Fix XSS in extension manager's homepage_url #19003 (@Yann-P)
• Fix toolbar popup row clipping in Safari #18998 (@arun-357)

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)

@arun-357 (activity) | @Darshan808 (activity) | @krassowski (activity) | @MUFFANUJ (activity) | @Yann-P (activity)

v4.6.0rc0

4.6.0rc0

(Full Changelog)

Enhancements made

• Use resolvePath API for traceback path resolution #18876 (@MUFFANUJ, @krassowski)
• Add automated spell check for documentation #18398 (@MUFFANUJ, @Copilot, @krassowski)

Bugs fixed

• Fix XSS in extension manager's homepage_url #19003 (@Yann-P, @krassowski)
• Fix too eager autocompletion heuristics #19000 (@MUFFANUJ, @krassowski)
• Fix toolbar popup row clipping in Safari #18998 (@arun-357, @krassowski)
• Fix HTMLSelect dropdown icon misalignment in toolbar popup #18996 (@arun-357, @claude, @krassowski)
• Fix hidden cells after moving collapsed headings #18992 (@MUFFANUJ, @krassowski)
• Deduplicate concurrent LSP document connects by URI #18980 (@MUFFANUJ, @krassowski)
• Fix scrolling to heading in ToC, workspace opening and flaky UI tests #18961 (@krassowski, @jtpio)
• Fix read-only indicator #18960 (@davidbrochart, @jtpio, @krassowski)

Maintenance and upkeep improvements

• Workaround flaky test for scrolling on page down in windowed notebook #19004 (@krassowski, @MUFFANUJ)
• Some linting improvements from the Scientific Python style guide #18990 (@Darshan808, @krassowski)
• Add tests for the readonly indicator #18982 (@jtpio, @krassowski)

Documentation improvements

• Clarify TypeScript watch builds in documentation #18979 (@nightcityblade, @Darshan808, @krassowski)
• Fix typo in contributing docs #18971 (@TheChyeahhh, @krassowski)
• Fix typo in LSP documentation #18970 (@TheChyeahhh, @MUFFANUJ, @krassowski)
• Fix duplicated sentence in showJumpToRecentExecutionButton description #18969 (@TheChyeahhh, @krassowski)
• Fix typo in a shell test description #18968 (@TheChyeahhh, @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)

@arun-357 (activity) | @brichet (activity) | @claude (activity) | @Copilot (activity) | @Darshan808 (activity) | @davidbrochart (activity) | @jtpio (activity) | @krassowski (activity) | @MUFFANUJ (activity) | @nightcityblade (activity) | @TheChyeahhh (activity) | @Yann-P (activity)