> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 0.45.0-rc28 **`(feat):`** The OpenAPI importer now skips headers in a case-insensitive way (e.g. both "Content-Type" and "content-type" are skipped). ## 0.45.0-rc27 **`(feat):`** The Conjure importer now brings in endpoint level descriptions. ## 0.45.0-rc26 **`(feat):`** `fern check` handles validating unions that contain base properties.