([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v1.8.0...f712734c4f7005f6a844abec9f57b993e7b004b0))
Enhancements made
- enable a way to run a task when an io_loop is created [531](https://github.com/jupyter-server/jupyter_server/pull/531) ([eastonsuo](https://github.com/eastonsuo))
- adds `GatewayClient.auth_scheme` configurable [529](https://github.com/jupyter-server/jupyter_server/pull/529) ([telamonian](https://github.com/telamonian))
- \[Notebook port 4835\] Add UNIX socket support to notebook server [525](https://github.com/jupyter-server/jupyter_server/pull/525) ([jtpio](https://github.com/jtpio))
Bugs fixed
- Fix nbconvert handler [545](https://github.com/jupyter-server/jupyter_server/pull/545) ([davidbrochart](https://github.com/davidbrochart))
- Fixes AsyncContentsManagerexists [542](https://github.com/jupyter-server/jupyter_server/pull/542) ([icankeep](https://github.com/icankeep))
Maintenance and upkeep improvements
- argon2 as an optional dependency [532](https://github.com/jupyter-server/jupyter_server/pull/532) ([vidartf](https://github.com/vidartf))
- Test Downstream Packages [528](https://github.com/jupyter-server/jupyter_server/pull/528) ([blink1073](https://github.com/blink1073))
- fix jp_ws_fetch not work by its own 441 [527](https://github.com/jupyter-server/jupyter_server/pull/527) ([eastonsuo](https://github.com/eastonsuo))
Documentation improvements
- Update link to meeting notes [535](https://github.com/jupyter-server/jupyter_server/pull/535) ([krassowski](https://github.com/krassowski))
Contributors to this release
([GitHub contributors page for this release](https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2021-05-20&to=2021-06-24&type=c))
[blink1073](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Ablink1073+updated%3A2021-05-20..2021-06-24&type=Issues) | [codecov-commenter](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Acodecov-commenter+updated%3A2021-05-20..2021-06-24&type=Issues) | [davidbrochart](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Adavidbrochart+updated%3A2021-05-20..2021-06-24&type=Issues) | [eastonsuo](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Aeastonsuo+updated%3A2021-05-20..2021-06-24&type=Issues) | [icankeep](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Aicankeep+updated%3A2021-05-20..2021-06-24&type=Issues) | [jtpio](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Ajtpio+updated%3A2021-05-20..2021-06-24&type=Issues) | [kevin-bates](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Akevin-bates+updated%3A2021-05-20..2021-06-24&type=Issues) | [krassowski](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Akrassowski+updated%3A2021-05-20..2021-06-24&type=Issues) | [telamonian](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Atelamonian+updated%3A2021-05-20..2021-06-24&type=Issues) | [vidartf](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Avidartf+updated%3A2021-05-20..2021-06-24&type=Issues) | [welcome](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Awelcome+updated%3A2021-05-20..2021-06-24&type=Issues) | [Zsailer](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3AZsailer+updated%3A2021-05-20..2021-06-24&type=Issues)