---
title: JavaScript SDK 3.21.4
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2024/09/javascript-sdk-3.21.4
---

## Fixed

- \--experimental-top-level-await support ([#945](https://github.com/fastly/js-compute-runtime/issues/945)) ([edd8ada](https://github.com/fastly/js-compute-runtime/commit/edd8ada770ae3cd2763ee30bfb15a7a6709a1f37))