---
title: JavaScript SDK 3.8.0
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2024/01/javascript-sdk-3.8.0
---

## Added

- Add `manualFramingHeaders` on `RequestInit` and `ResponseInit`, and add `Request.prototype.setManualFramingHeaders` and `Response.prototype.setManualFramingHeaders` ([#705](https://github.com/fastly/js-compute-runtime/pull/705))
- Add `Request.prototype.backend` getter to return the name of the backend assigned to the request ([9c750e5](https://github.com/fastly/js-compute-runtime/commit/9c750e5697bb02676762225e4fdc7589d23e13d9))
- Allow URL as input on fetch() on TypeScript typings for compat with Node.js ([#707](https://github.com/fastly/js-compute-runtime/issues/707)) ([4f39943](https://github.com/fastly/js-compute-runtime/commit/4f399434c0959e902df03262dfceefdc16592afe))