# April 1, 2025

## 0.57.13

**`(chore):`** Updates parameter parsing in asyncapi-to-ir to correctly handle enum parameters, along with native support for the x-fern-optional and x-fern-type extensions

## 0.57.12

**`(feat):`** Add `additional-properties-defaults-to` setting for OpenAPI specs in generators.yml.
This setting lets you change the default value for the `additionalProperties` field in the generated IR.