> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt.

## 3.21.1

**`(fix):`** Fix header parameters with `x-fern-parameter-name` to use the correct HTTP header name (wire value) instead of the SDK parameter name.

## 3.21.0

**`(fix):`** Remove unused kotlin-stdlib from Gradle base image to address CVE-2020-29582 in container.