# March 25, 2024

## 0.19.19

**`(chore):`** ## What's Changed

* (fix): docs for `optionalImplementation` use the right key by @dsinghvi in [https://github.com/fern-api/fern/pull/3254](https://github.com/fern-api/fern/pull/3254)
* (fix): support schema references in OpenAPI that aren't just Schema Ids by @omarrida in [https://github.com/fern-api/fern/pull/3259](https://github.com/fern-api/fern/pull/3259)

**Full Changelog**: [https://github.com/fern-api/fern/compare/0.19.18...0.19.19](https://github.com/fern-api/fern/compare/0.19.18...0.19.19)