> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 0.35.10 **`(fix):`** Fix enum query parameters wrapped in `Nullable<>` to emit .rawValue for proper Swift compilation. Previously, nullable enum query params generated .string($0) instead of .string($0.rawValue), causing type errors.