> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 4.16.1 **`(internal):`** Fixes an internal release issue in `4.16.0`. ## 4.16.0 **`(feat):`** Add support for retrieving response headers from the generated `ApiError` class.