---
title: JavaScript SDK 3.3.1
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2023/08/javascript-sdk-3.3.1
---

## Changed

- update to spidermonkey which includes async resume support when using pbl ([#634](https://github.com/fastly/js-compute-runtime/issues/634)) ([1dea60f](https://github.com/fastly/js-compute-runtime/commit/1dea60f79fc07828785b12fd8a5bf13b3602f88b))