> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 0.47.6 **`(feat):`** The IR now pulls in additional request properties from the OAuth getToken endpoint to support custom OAuth schemas. ## 0.47.5 **`(feat):`** Fixes an issue with broken link checking in the OpenAPI v2 parser. ## 0.47.4 **`(feat):`** Allows for creating nullable types and pass formats on strings using the OpenAPI v2 parser.