> This page is for CLI 参考.

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

## 3.55.6

**`(internal):`** Regenerate types for fern-definition, docs-yml, generators-yml, conjure-sdk, openapi-ir, and ir-types-latest schemas.

## 3.54.0

**`(feat):`** Add support for `switcher-placement` field in docs.yml layout configuration. This allows users to specify the placement of the version and language switcher, with options `header` or `sidebar` (default: `header`).

## 3.53.1

**`(chore):`** Fix primitive example generation to handle zero-length strings correctly.

## 3.53.0

**`(feat):`** Add internal support for ListType/SetType/MapType validation into IR.

## 3.52.1

**`(fix):`** Fix OpenAPI oneOf with discriminator to be parsed as discriminated union. Previously, when the discriminant property was defined in each variant schema (which is the standard OpenAPI pattern), the union was incorrectly parsed as an undiscriminated union. Now, any oneOf with a discriminator is correctly parsed as a discriminated union, and the discriminant property is filtered out from variant schemas to avoid duplication.