Pretzelai

- Add link for prebuilt extensions too.
([9702](https://github.com/jupyterlab/jupyterlab/pull/9702))
- Remove outdated note on ipywidgets.
([9707](https://github.com/jupyterlab/jupyterlab/pull/9707))
- Fix debug flag handling in build command.
([9715](https://github.com/jupyterlab/jupyterlab/pull/9715))
- Update notebook toolbar example docs.
([9705](https://github.com/jupyterlab/jupyterlab/pull/9705))
- Use `Path.resolve()` to get canonical case-sensitive path names.
([9709](https://github.com/jupyterlab/jupyterlab/pull/9709))

- Listen for `'restarting'` instead of `'autorestarting'` from server.
([9674](https://github.com/jupyterlab/jupyterlab/pull/9674))
- Use `jupyterhub make_singleuser_app` mixin when available.
([9681](https://github.com/jupyterlab/jupyterlab/pull/9681))
- Remove jest version constrain.
([9632](https://github.com/jupyterlab/jupyterlab/pull/9632))
- Disable large uploads for notebook server \< 5.1.
([9628](https://github.com/jupyterlab/jupyterlab/pull/9628))
- Ignore timeout errors when preloading settings.
([9629](https://github.com/jupyterlab/jupyterlab/pull/9629))
- Customize template branch when upgrading extension.
([9630](https://github.com/jupyterlab/jupyterlab/pull/9630))
- Renamed variable that clashed with a module.
([9641](https://github.com/jupyterlab/jupyterlab/pull/9641))
- Allow for lazily retrieved documentation (with a getter).
([9643](https://github.com/jupyterlab/jupyterlab/pull/9643))
- Upgrade `html-webpack-plugin` to support webpack 5.
([9651](https://github.com/jupyterlab/jupyterlab/pull/9651))
- Fix viewing of PDF files in Safari.
([9656](https://github.com/jupyterlab/jupyterlab/pull/9656))
- Add ToC entries for all headers in markdown cells.
([9358](https://github.com/jupyterlab/jupyterlab/pull/9358))
- Revert creating a new browser tab for a new launcher when in simple
interface.
([9664](https://github.com/jupyterlab/jupyterlab/pull/9664))
- Add `xeus-robot` to the debugger documentation.
([9661](https://github.com/jupyterlab/jupyterlab/pull/9661))

- Enable large file uploads.
([9616](https://github.com/jupyterlab/jupyterlab/pull/9616))
- Fix display of `??` help on Windows.
([9617](https://github.com/jupyterlab/jupyterlab/pull/9617))
- Update app and federated examples.
([9586](https://github.com/jupyterlab/jupyterlab/pull/9586))

- Do not use `??` in plain js, as it is too new.
([9606](https://github.com/jupyterlab/jupyterlab/pull/9606))
- Fix handling of multiple notebooks for the debugger.
([9598](https://github.com/jupyterlab/jupyterlab/pull/9598))
- Refactor labhub + CI.
([9604](https://github.com/jupyterlab/jupyterlab/pull/9604))

- Move open_browser to the top level configs of classes.
([9580](https://github.com/jupyterlab/jupyterlab/pull/9580))

- Manage kernel message queueing better to prevent out-of-order
execution.
([9571](https://github.com/jupyterlab/jupyterlab/pull/9571))
- Fix breadcrumb links.
([9572](https://github.com/jupyterlab/jupyterlab/pull/9572))
- Fix integration with JupyterHub.
([9568](https://github.com/jupyterlab/jupyterlab/pull/9568))
- Fix parsing of empty CSV files.
([9557](https://github.com/jupyterlab/jupyterlab/pull/9557))
- Use tree/table buttons to display debugger variables view mode.
([9502](https://github.com/jupyterlab/jupyterlab/pull/9502))
- Update tutorial for final jlab 3 release.
([9562](https://github.com/jupyterlab/jupyterlab/pull/9562))
- Fix upgrade_extension.py.
([9551](https://github.com/jupyterlab/jupyterlab/pull/9551),
[9550](https://github.com/jupyterlab/jupyterlab/pull/9550))
- Update the Binder link in the README to point to a 3.0 Binder.
([9549](https://github.com/jupyterlab/jupyterlab/pull/9549))