---
title: Javascript-SDK - 5.3.4
slug: feature-experimentation/release-notes/javascript-sdk-5-3-4
docTags: 
createdAt: 2026-07-20T15:44:36.340Z
---

## \[5.3.4] - Jun 28, 2024

[#534---jun-28-2024](docId\:UZzFCXtD4YCqiWKpEHiW7)

### Changed

[#changed](docId\:UZzFCXtD4YCqiWKpEHiW7)

- crypto and text encoder polyfill addition for React native ([#936](https://github.com/optimizely/javascript-sdk/pull/936))

[https://github.com/optimizely/javascript-sdk/releases/tag/v5.3.4](https://github.com/optimizely/javascript-sdk/releases/tag/v5.3.4)