([Full Changelog](https://github.com/jupyterlite/jupyterlite/compare/jupyterlite/application-extension0.2.1...19b0a411eb442a92688517284fd71799897ae7b8))
Bugs fixed
- Handle missing `all_federated.json` [1269](https://github.com/jupyterlite/jupyterlite/pull/1269) ([jtpio](https://github.com/jtpio))
- Re-add `jupyterlab/celltags-extension`, bump to `jupyterlab` 4.0.9 packages [1267](https://github.com/jupyterlite/jupyterlite/pull/1267) ([jtpio](https://github.com/jtpio))
- javascript-kernel: use string repr of eval result [1264](https://github.com/jupyterlite/jupyterlite/pull/1264) ([tomjakubowski](https://github.com/tomjakubowski))
Maintenance and upkeep improvements
- Bump actions/setup-python from 4 to 5 [1278](https://github.com/jupyterlite/jupyterlite/pull/1278) ([dependabot](https://github.com/dependabot))
- Update to `jupyterlite-pyodide-kernel==0.2.0` [1271](https://github.com/jupyterlite/jupyterlite/pull/1271) ([jtpio](https://github.com/jtpio))
- Adopt ruff format [1266](https://github.com/jupyterlite/jupyterlite/pull/1266) ([jtpio](https://github.com/jtpio))
- Update publish workflow for trusted publishers [1261](https://github.com/jupyterlite/jupyterlite/pull/1261) ([jtpio](https://github.com/jtpio))
- Bump actions/github-script from 6 to 7 [1260](https://github.com/jupyterlite/jupyterlite/pull/1260) ([dependabot](https://github.com/dependabot))
Documentation improvements
- DOCS: unpin myst-nb [1270](https://github.com/jupyterlite/jupyterlite/pull/1270) ([agoose77](https://github.com/agoose77))
Contributors to this release
([GitHub contributors page for this release](https://github.com/jupyterlite/jupyterlite/graphs/contributors?from=2023-11-30&to=2024-01-03&type=c))
[agoose77](https://github.com/search?q=repo%3Ajupyterlite%2Fjupyterlite+involves%3Aagoose77+updated%3A2023-11-30..2024-01-03&type=Issues) | [bollwyvl](https://github.com/search?q=repo%3Ajupyterlite%2Fjupyterlite+involves%3Abollwyvl+updated%3A2023-11-30..2024-01-03&type=Issues) | [dependabot](https://github.com/search?q=repo%3Ajupyterlite%2Fjupyterlite+involves%3Adependabot+updated%3A2023-11-30..2024-01-03&type=Issues) | [github-actions](https://github.com/search?q=repo%3Ajupyterlite%2Fjupyterlite+involves%3Agithub-actions+updated%3A2023-11-30..2024-01-03&type=Issues) | [jtpio](https://github.com/search?q=repo%3Ajupyterlite%2Fjupyterlite+involves%3Ajtpio+updated%3A2023-11-30..2024-01-03&type=Issues) | [tomjakubowski](https://github.com/search?q=repo%3Ajupyterlite%2Fjupyterlite+involves%3Atomjakubowski+updated%3A2023-11-30..2024-01-03&type=Issues)