> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 1.12.0-rc18 **`(fix):`** Make the behavior between a wrapped request with body properties and normal body request consistent. Previously, a wrapped request with body properties would not omit `null` values even if the JSON configuration is configured to omit `null` values. **`(fix):`** Fix a bug where required properties that were `[JsonIgnore]` threw an error during serialization. **`(feat):`** Improve performance of query string value to string conversion by relying less on `JsonSerializer` and more on `ToString()`.