---
title: Javascript-SDK - 0.1.3
slug: feature-experimentation/release-notes/javascript-sdk-0-1-3
docTags: 
createdAt: 2026-07-20T15:44:20.088Z
---

\- Add environment detection to event builder so it can distinguish between events sent from node or the browser.

[https://github.com/optimizely/javascript-sdk/releases/tag/v0.1.3](https://github.com/optimizely/javascript-sdk/releases/tag/v0.1.3)