([Full Changelog](https://github.com/jupyterlab/jupyterlab/compare/v4.2.0b0...130274fc34869de92b6d1ae476d19c9827897d94))
New features added
- Dark High Contrast Theme for JupyterLab with Improved Sidebar Focus Indication [15623](https://github.com/jupyterlab/jupyterlab/pull/15623) ([m158261](https://github.com/m158261))
Enhancements made
- Upgrade lumino to v2024.3.25, improve CodeMirror shortcuts handling [16078](https://github.com/jupyterlab/jupyterlab/pull/16078) ([krassowski](https://github.com/krassowski))
- Upgrade xterm.js from 5.1.0 to 5.5.0 [15962](https://github.com/jupyterlab/jupyterlab/pull/15962) ([krassowski](https://github.com/krassowski))
Bugs fixed
- Do not notify the `notebook:create-output-view` command [16138](https://github.com/jupyterlab/jupyterlab/pull/16138) ([jtpio](https://github.com/jtpio))
- Disable placeholder for password input [16128](https://github.com/jupyterlab/jupyterlab/pull/16128) ([Alanhou1222](https://github.com/Alanhou1222))
- Fix for existing shortcuts getting triggered while edit shortcut [16126](https://github.com/jupyterlab/jupyterlab/pull/16126) ([Susilkessav](https://github.com/Susilkessav))
- Fix outputarea collapse expand [16124](https://github.com/jupyterlab/jupyterlab/pull/16124) ([FoSuCloud](https://github.com/FoSuCloud))
- Store the real position of the item in reactive toolbar [16111](https://github.com/jupyterlab/jupyterlab/pull/16111) ([brichet](https://github.com/brichet))
- Use `smart` scroll in debugger to minimize distraction [16084](https://github.com/jupyterlab/jupyterlab/pull/16084) ([krassowski](https://github.com/krassowski))
- Fix scrolling to output area inputs on caret movement [16068](https://github.com/jupyterlab/jupyterlab/pull/16068) ([krassowski](https://github.com/krassowski))
- Fix extension installation on Windows [16064](https://github.com/jupyterlab/jupyterlab/pull/16064) ([fcollonval](https://github.com/fcollonval))
Maintenance and upkeep improvements
- Bump semver from 5.7.1 to 7.6.0 [16121](https://github.com/jupyterlab/jupyterlab/pull/16121) ([dependabot](https://github.com/dependabot))
- Revert traitlets pin [16118](https://github.com/jupyterlab/jupyterlab/pull/16118) ([krassowski](https://github.com/krassowski))
- Use `dependency_type: minimum` for Minimum Versions check [16105](https://github.com/jupyterlab/jupyterlab/pull/16105) ([krassowski](https://github.com/krassowski))
- Tests for sorting shortcut columns [16098](https://github.com/jupyterlab/jupyterlab/pull/16098) ([itsmevichu](https://github.com/itsmevichu))
- Bump `altair` and `jupyterlab-language-pack-zh-cn` for tests, relax `copier` pin [16094](https://github.com/jupyterlab/jupyterlab/pull/16094) ([dependabot](https://github.com/dependabot))
- Add tests for keyboard navigation to sidebar sections [15438](https://github.com/jupyterlab/jupyterlab/pull/15438) ([e218736](https://github.com/e218736))
Documentation improvements
- Mention JupyterLab Desktop in the installation section [16100](https://github.com/jupyterlab/jupyterlab/pull/16100) ([krassowski](https://github.com/krassowski))
- Dark High Contrast Theme for JupyterLab with Improved Sidebar Focus Indication [15623](https://github.com/jupyterlab/jupyterlab/pull/15623) ([m158261](https://github.com/m158261))
Contributors to this release
([GitHub contributors page for this release](https://github.com/jupyterlab/jupyterlab/graphs/contributors?from=2024-04-02&to=2024-04-09&type=c))
[Alanhou1222](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3AAlanhou1222+updated%3A2024-04-02..2024-04-09&type=Issues) | [brichet](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Abrichet+updated%3A2024-04-02..2024-04-09&type=Issues) | [davidbrochart](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Adavidbrochart+updated%3A2024-04-02..2024-04-09&type=Issues) | [dependabot](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Adependabot+updated%3A2024-04-02..2024-04-09&type=Issues) | [e218736](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Ae218736+updated%3A2024-04-02..2024-04-09&type=Issues) | [echarles](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Aecharles+updated%3A2024-04-02..2024-04-09&type=Issues) | [fcollonval](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Afcollonval+updated%3A2024-04-02..2024-04-09&type=Issues) | [FoSuCloud](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3AFoSuCloud+updated%3A2024-04-02..2024-04-09&type=Issues) | [gabalafou](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Agabalafou+updated%3A2024-04-02..2024-04-09&type=Issues) | [github-actions](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Agithub-actions+updated%3A2024-04-02..2024-04-09&type=Issues) | [itsmevichu](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Aitsmevichu+updated%3A2024-04-02..2024-04-09&type=Issues) | [jtpio](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Ajtpio+updated%3A2024-04-02..2024-04-09&type=Issues) | [jupyterlab-probot](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Ajupyterlab-probot+updated%3A2024-04-02..2024-04-09&type=Issues) | [krassowski](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Akrassowski+updated%3A2024-04-02..2024-04-09&type=Issues) | [lumberbot-app](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Alumberbot-app+updated%3A2024-04-02..2024-04-09&type=Issues) | [m158261](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Am158261+updated%3A2024-04-02..2024-04-09&type=Issues) | [pre-commit-ci](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Apre-commit-ci+updated%3A2024-04-02..2024-04-09&type=Issues) | [Susilkessav](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3ASusilkessav+updated%3A2024-04-02..2024-04-09&type=Issues) | [welcome](https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Awelcome+updated%3A2024-04-02..2024-04-09&type=Issues)