([Full Changelog](https://github.com/jupyter/nbformat/compare/v5.7.3...85917af9c77beae326531e1923e0ec47725e590b))
Enhancements made
- Add strip_invalid_metadata argument to validator normalize method [355](https://github.com/jupyter/nbformat/pull/355) ([jonabc](https://github.com/jonabc))
Maintenance and upkeep improvements
- Fix codecov badge [352](https://github.com/jupyter/nbformat/pull/352) ([blink1073](https://github.com/blink1073))
- Add license [348](https://github.com/jupyter/nbformat/pull/348) ([dcsaba89](https://github.com/dcsaba89))
- Add more linting [345](https://github.com/jupyter/nbformat/pull/345) ([blink1073](https://github.com/blink1073))
- Only add ellipsis to NotJSONError message if message is truncated [344](https://github.com/jupyter/nbformat/pull/344) ([rschroll](https://github.com/rschroll))
Documentation improvements
- DOC: README: capitalization, title [346](https://github.com/jupyter/nbformat/pull/346) ([westurner](https://github.com/westurner))
Contributors to this release
([GitHub contributors page for this release](https://github.com/jupyter/nbformat/graphs/contributors?from=2023-01-12&to=2023-03-20&type=c))
[blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnbformat+involves%3Ablink1073+updated%3A2023-01-12..2023-03-20&type=Issues) | [dcsaba89](https://github.com/search?q=repo%3Ajupyter%2Fnbformat+involves%3Adcsaba89+updated%3A2023-01-12..2023-03-20&type=Issues) | [jonabc](https://github.com/search?q=repo%3Ajupyter%2Fnbformat+involves%3Ajonabc+updated%3A2023-01-12..2023-03-20&type=Issues) | [pre-commit-ci](https://github.com/search?q=repo%3Ajupyter%2Fnbformat+involves%3Apre-commit-ci+updated%3A2023-01-12..2023-03-20&type=Issues) | [rschroll](https://github.com/search?q=repo%3Ajupyter%2Fnbformat+involves%3Arschroll+updated%3A2023-01-12..2023-03-20&type=Issues) | [westurner](https://github.com/search?q=repo%3Ajupyter%2Fnbformat+involves%3Awesturner+updated%3A2023-01-12..2023-03-20&type=Issues)