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## 0.31.0-rc0

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

* (fix, csharp): revert to .NET 6+ compatibility by @dsinghvi in [https://github.com/fern-api/fern/pull/3882](https://github.com/fern-api/fern/pull/3882)
* (fix, ts): Fix environment import in snippets by @amckinney in [https://github.com/fern-api/fern/pull/3885](https://github.com/fern-api/fern/pull/3885)
* (feat, internal): setup csharp seed scripts by @dsinghvi in [https://github.com/fern-api/fern/pull/3884](https://github.com/fern-api/fern/pull/3884)
* (feature, ts): Merge README.md files by @amckinney in [https://github.com/fern-api/fern/pull/3881](https://github.com/fern-api/fern/pull/3881)
* (fix, csharp): ToString() Datetimes must be explicitly iso encoded by @dsinghvi in [https://github.com/fern-api/fern/pull/3886](https://github.com/fern-api/fern/pull/3886)
* (feat, internal): run seed with audiences  by @dsinghvi in [https://github.com/fern-api/fern/pull/3887](https://github.com/fern-api/fern/pull/3887)
* (fix, csharp): handle discriminated unions + header literal parameters by @dsinghvi in [https://github.com/fern-api/fern/pull/3888](https://github.com/fern-api/fern/pull/3888)
* (fix, csharp): handle optional datetime encoding by @dsinghvi in [https://github.com/fern-api/fern/pull/3889](https://github.com/fern-api/fern/pull/3889)
* (fix): add seed test case for optional datetime query parameters by @dsinghvi in [https://github.com/fern-api/fern/pull/3890](https://github.com/fern-api/fern/pull/3890)
* (fix): remove sdk language toggle for new unions by @dsinghvi in [https://github.com/fern-api/fern/pull/3891](https://github.com/fern-api/fern/pull/3891)

**Full Changelog**: [https://github.com/fern-api/fern/compare/0.30.10...0.31.0-rc0](https://github.com/fern-api/fern/compare/0.30.10...0.31.0-rc0)