([Full Changelog](https://github.com/jupyter/jupyter_events/compare/v0.4.0...af1db6f5b9052e54d5a65797b67bff17b80e7eec))
Enhancements made
- Add pytest plugin for testing events in other libraries [23](https://github.com/jupyter/jupyter_events/pull/23) ([Zsailer](https://github.com/Zsailer))
- improve error messages for absent/invalid schema path [22](https://github.com/jupyter/jupyter_events/pull/22) ([dlqqq](https://github.com/dlqqq))
Bugs fixed
- specify utf-8 encoding for loading/dumping yaml [29](https://github.com/jupyter/jupyter_events/pull/29) ([bollwyvl](https://github.com/bollwyvl))
- use safe loaders and dumpers in yaml lib [28](https://github.com/jupyter/jupyter_events/pull/28) ([dlqqq](https://github.com/dlqqq))
Maintenance and upkeep improvements
- add jsonschema\[format-nongpl\], core event schema [31](https://github.com/jupyter/jupyter_events/pull/31) ([bollwyvl](https://github.com/bollwyvl))
- Add CLI tests, return codes, version [30](https://github.com/jupyter/jupyter_events/pull/30) ([bollwyvl](https://github.com/bollwyvl))
- Set version floor on jsonchema [25](https://github.com/jupyter/jupyter_events/pull/25) ([kevin-bates](https://github.com/kevin-bates))
- Testing that the `.emit` call is a no-op when no listeners are registered. [24](https://github.com/jupyter/jupyter_events/pull/24) ([Zsailer](https://github.com/Zsailer))
Documentation improvements
- docs: wrap shell command in quotes [21](https://github.com/jupyter/jupyter_events/pull/21) ([dlqqq](https://github.com/dlqqq))
Contributors to this release
([GitHub contributors page for this release](https://github.com/jupyter/jupyter_events/graphs/contributors?from=2022-08-29&to=2022-09-12&type=c))
[bollwyvl](https://github.com/search?q=repo%3Ajupyter%2Fjupyter_events+involves%3Abollwyvl+updated%3A2022-08-29..2022-09-12&type=Issues) | [dlqqq](https://github.com/search?q=repo%3Ajupyter%2Fjupyter_events+involves%3Adlqqq+updated%3A2022-08-29..2022-09-12&type=Issues) | [kevin-bates](https://github.com/search?q=repo%3Ajupyter%2Fjupyter_events+involves%3Akevin-bates+updated%3A2022-08-29..2022-09-12&type=Issues) | [Zsailer](https://github.com/search?q=repo%3Ajupyter%2Fjupyter_events+involves%3AZsailer+updated%3A2022-08-29..2022-09-12&type=Issues)