> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 0.12.1 **`(chore):`** Improves example generation and snippets for union types, as well as multi-url environments. ### What's been fixed * Stringifies header arguments, HTTPX was previously hard failing for certain types ### What's changed * Improves example generation and snippets for union types, as well as multi-url environments.