([Full Changelog](https://github.com/jupyter/notebook/compare/v7.0.0a2...4076882c0e08875dd719945835f8cbe5b10eac9e))
Enhancements made
- Show file checkboxes by default in the file browser [6377](https://github.com/jupyter/notebook/pull/6377) ([jtpio](https://github.com/jtpio))
- Remove blank space at the bottom of the notebook [6376](https://github.com/jupyter/notebook/pull/6376) ([jtpio](https://github.com/jtpio))
- Add a label to the upload button [6374](https://github.com/jupyter/notebook/pull/6374) ([jtpio](https://github.com/jtpio))
- Update to JupyterLab 4.0.0a24 [6371](https://github.com/jupyter/notebook/pull/6371) ([jtpio](https://github.com/jtpio))
- Initialize handler page_config from Server traitlets [6366](https://github.com/jupyter/notebook/pull/6366) ([bollwyvl](https://github.com/bollwyvl))
- Add project URLs to setup.cfg [6346](https://github.com/jupyter/notebook/pull/6346) ([tlinhart](https://github.com/tlinhart))
- Update to JupyterLab 4.0.0a23 [6336](https://github.com/jupyter/notebook/pull/6336) ([jtpio](https://github.com/jtpio))
Bugs fixed
- Fix opening JupyterLab from Notebook [6379](https://github.com/jupyter/notebook/pull/6379) ([jtpio](https://github.com/jtpio))
Maintenance and upkeep improvements
- Add UI tests for a simple notebook [6380](https://github.com/jupyter/notebook/pull/6380) ([jtpio](https://github.com/jtpio))
- Bump async from 2.6.3 to 2.6.4 in /ui-tests [6370](https://github.com/jupyter/notebook/pull/6370) ([dependabot](https://github.com/dependabot))
- Fix build workflow on CI [6369](https://github.com/jupyter/notebook/pull/6369) ([jtpio](https://github.com/jtpio))
- \[pre-commit.ci\] pre-commit autoupdate [6365](https://github.com/jupyter/notebook/pull/6365) ([pre-commit-ci](https://github.com/pre-commit-ci))
- \[pre-commit.ci\] pre-commit autoupdate [6355](https://github.com/jupyter/notebook/pull/6355) ([pre-commit-ci](https://github.com/pre-commit-ci))
- Bump moment from 2.29.1 to 2.29.2 [6352](https://github.com/jupyter/notebook/pull/6352) ([dependabot](https://github.com/dependabot))
- Bump moment from 2.29.1 to 2.29.2 in /ui-tests [6351](https://github.com/jupyter/notebook/pull/6351) ([dependabot](https://github.com/dependabot))
- Clean up pre-commit [6349](https://github.com/jupyter/notebook/pull/6349) ([blink1073](https://github.com/blink1073))
- Update to TypeScript 4.6 [6345](https://github.com/jupyter/notebook/pull/6345) ([jtpio](https://github.com/jtpio))
- \[pre-commit.ci\] pre-commit autoupdate [6343](https://github.com/jupyter/notebook/pull/6343) ([pre-commit-ci](https://github.com/pre-commit-ci))
- Add pytest and handle warnings [6338](https://github.com/jupyter/notebook/pull/6338) ([blink1073](https://github.com/blink1073))
- Add flake8 and git-blame-ignore-revs [6337](https://github.com/jupyter/notebook/pull/6337) ([blink1073](https://github.com/blink1073))
- Run Autoformatters [6335](https://github.com/jupyter/notebook/pull/6335) ([blink1073](https://github.com/blink1073))
- Bump minimist from 1.2.5 to 1.2.6 [6334](https://github.com/jupyter/notebook/pull/6334) ([dependabot](https://github.com/dependabot))
- Bump minimist from 1.2.5 to 1.2.6 in /ui-tests [6333](https://github.com/jupyter/notebook/pull/6333) ([dependabot](https://github.com/dependabot))
- Bump ansi-regex from 3.0.0 to 3.0.1 in /ui-tests [6332](https://github.com/jupyter/notebook/pull/6332) ([dependabot](https://github.com/dependabot))
- Adopt pre-commit [6331](https://github.com/jupyter/notebook/pull/6331) ([blink1073](https://github.com/blink1073))
Documentation improvements
- Link to v6 plan in the README [6375](https://github.com/jupyter/notebook/pull/6375) ([echarles](https://github.com/echarles))
- Copy edits in config, edits bug report template [6364](https://github.com/jupyter/notebook/pull/6364) ([JasonWeill](https://github.com/JasonWeill))
Contributors to this release
([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2022-03-21&to=2022-04-27&type=c))
[blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ablink1073+updated%3A2022-03-21..2022-04-27&type=Issues) | [bollwyvl](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Abollwyvl+updated%3A2022-03-21..2022-04-27&type=Issues) | [dependabot](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Adependabot+updated%3A2022-03-21..2022-04-27&type=Issues) | [echarles](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Aecharles+updated%3A2022-03-21..2022-04-27&type=Issues) | [github-actions](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Agithub-actions+updated%3A2022-03-21..2022-04-27&type=Issues) | [jtpio](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajtpio+updated%3A2022-03-21..2022-04-27&type=Issues) | [JasonWeill](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3AJasonWeill+updated%3A2022-03-21..2022-04-27&type=Issues) | [pre-commit-ci](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Apre-commit-ci+updated%3A2022-03-21..2022-04-27&type=Issues) | [tlinhart](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Atlinhart+updated%3A2022-03-21..2022-04-27&type=Issues)