---
title: JavaScript SDK 3.29.0
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2025/01/javascript-sdk-3.29.0
---

## Added

- Blob support for fetch API ([#1070](https://github.com/fastly/js-compute-runtime/issues/1070)) ([56aa96d](https://github.com/fastly/js-compute-runtime/commit/56aa96d5a223d45d79327f0a19bcfd93f1e90363))
- Fanout update to redirect_to_grip_proxy_v2 passing request handle ([#1079](https://github.com/fastly/js-compute-runtime/issues/1079)) ([baf0a6e](https://github.com/fastly/js-compute-runtime/commit/baf0a6e3f2d655954d7ae73944b7e72709356a2d))
- support --env option for the runtime build ([#1090](https://github.com/fastly/js-compute-runtime/issues/1090)) ([e81d252](https://github.com/fastly/js-compute-runtime/commit/e81d252e0f1c2a76441cef407c7c1dc84ed93dcc))

## Fixed

- reinstate broken wpt tests ([#1071](https://github.com/fastly/js-compute-runtime/issues/1071)) ([5e2c682](https://github.com/fastly/js-compute-runtime/commit/5e2c68228be24ea6bd286fca0ca1ffbe028199c2))