---
title: JavaScript SDK 1.10.1
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2023/04/javascript-sdk-1.10.1
---

## Fixed

- Fix for `ReferenceError: pattern is not defined` ([#506](https://github.com/fastly/js-compute-runtime/issues/506)) ([107c9be](https://github.com/fastly/js-compute-runtime/commit/107c9be4c0b0c41c4d630ba556a10b697a1508f4))