---
title: Javascript-SDK - 4.9.3
slug: feature-experimentation/release-notes/javascript-sdk-4-9-3
docTags: 
createdAt: 2026-07-20T15:44:53.319Z
---

## [#493---march-28-2023](docId\:xePpA8CphsYuzhpYEw4HX)\[4.9.3] - March 28, 2023

### [#changed](docId\:xePpA8CphsYuzhpYEw4HX)Changed

- Updated README.md and package.json files to reflect that this SDK supports both Optimizely Feature Experimentation and Optimizely Full Stack ([#803](https://github.com/optimizely/javascript-sdk/pull/803)).

[https://github.com/optimizely/javascript-sdk/releases/tag/v4.9.3](https://github.com/optimizely/javascript-sdk/releases/tag/v4.9.3)