- Interface switcher menu [#309](https://github.com/jupyterlab/retrolab/pull/309) ([@jtpio](https://github.com/jtpio))
- Strip .ipynb extension for display in header and tab title [#296](https://github.com/jupyterlab/retrolab/pull/296) ([@jweill-aws](https://github.com/jweill-aws))
- Add extension for document-scoped search [#294](https://github.com/jupyterlab/retrolab/pull/294) ([@loichuder](https://github.com/loichuder))
- Remove `playwright` dependency from the `app` folder [#307](https://github.com/jupyterlab/retrolab/pull/307) ([@jtpio](https://github.com/jtpio))
- Bump playwright version in package.json [#304](https://github.com/jupyterlab/retrolab/pull/304) ([@gabalafou](https://github.com/gabalafou))
- Switch to `maintainer-tools` action for Binder on PR [#301](https://github.com/jupyterlab/retrolab/pull/301) ([@jtpio](https://github.com/jtpio))
- Use `maintainer-tools` base setup action [#295](https://github.com/jupyterlab/retrolab/pull/295) ([@jtpio](https://github.com/jtpio))
- Remove unused build:test task in app [#293](https://github.com/jupyterlab/retrolab/pull/293) ([@loichuder](https://github.com/loichuder))
- Add UI test for the mobile layout [#292](https://github.com/jupyterlab/retrolab/pull/292) ([@jtpio](https://github.com/jtpio))
- Enforce labels on PRs [#291](https://github.com/jupyterlab/retrolab/pull/291) ([@jtpio](https://github.com/jtpio))
### Documentation improvements
- add alt text together during the 2021 diy a11y workshop (#1) [#310](https://github.com/jupyterlab/retrolab/pull/310) ([@tonyfast](https://github.com/tonyfast))
### Contributors to this release
([GitHub contributors page for this release](https://github.com/jupyterlab/retrolab/graphs/contributors?from=2021-11-12&to=2021-12-28&type=c))