---
title: React-SDK - 2.2.0
slug: feature-experimentation/release-notes/react-sdk-2-2-0
docTags: 
createdAt: 2026-07-20T15:45:41.920Z
---

\## \[2.2.0] - July 31st, 2020
Upgrade \`@optimizely/optimizely-sdk\` to \[4.2.0]\([https://github.com/optimizely/javascript-sdk/releases/tag/v4.2.0](https://github.com/optimizely/javascript-sdk/releases/tag/v4.2.0))

\### New Features
\- Better offline support in React Native apps:
\- Persist downloaded datafiles in local storage for use in subsequent SDK initializations
\- Persist pending impression & conversion events in local storage

\### Bug fixes
\- Fixed log messages for Targeted Rollouts

[https://github.com/optimizely/react-sdk/releases/tag/2.2.0](https://github.com/optimizely/react-sdk/releases/tag/2.2.0)