jupyterlab 4.5.0a0

v4.5.0a0

on Python PyPI

4.5.0a0

(Full Changelog)

Enhancements made

• Add an optional exportAs method to NbConvert.IManager #17482 (@jtpio)
• Reorder extra_labextensions_path to favor defaults #17476 (@peytondmurray)

Bugs fixed

• Fix Settings Editor incorrectly resetting values to default in filtered view #17540 (@yukiiii04)
• Update widget flag on attaching cell to viewport #17532 (@trungleduc)
• Fix rendering of long cell editors in windowed notebook #17528 (@krassowski)
• Upgrade CodeMirror packages to latest #17526 (@krassowski)
• Update lumino to v2025.4.30 to pull menu aria fix #17525 (@krassowski)
• Fix editing shortcuts on Safari (allow shortcut edit button to receive focus) #17511 (@minrk)
• Add aria-hidden to icons (<svg> elements) which do not have a title #17472 (@nkn2022)

Maintenance and upkeep improvements

• Bump actions/create-github-app-token from 1 to 2 in the actions group #17529 (@dependabot)
• Bump tough-cookie from 4.1.2 to 4.1.4 #17502 (@dependabot)
• Bump ws from 8.16.0 to 8.18.1 in /jupyterlab/tests/mock_packages/test-hyphens-underscore #17500 (@dependabot)
• Bump ws from 8.16.0 to 8.18.1 in /jupyterlab/tests/mock_packages/test_no_hyphens #17499 (@dependabot)
• Update to Playwright 1.52.0 #17483 (@jtpio)

Documentation improvements

• Add new entry to Postmortems in RELEASE.md #17505 (@jtpio)
• Add an optional exportAs method to NbConvert.IManager #17482 (@jtpio)
• Reorder extra_labextensions_path to favor defaults #17476 (@peytondmurray)

Contributors to this release

(GitHub contributors page for this release)

@dependabot | @jtpio | @jupyterlab-probot | @krassowski | @minrk | @nkn2022 | @peytondmurray | @pre-commit-ci | @trungleduc | @yukiiii04