---
title: React-SDK - 2.7.0
slug: feature-experimentation/release-notes/react-sdk-2-7-0
docTags: 
createdAt: 2026-07-20T15:45:40.383Z
---

## \[2.7.0]

September 16th, 2021

Upgrade `@optimizely/optimizely-sdk` to \[4.7.0]\([https://github.com/optimizely/javascript-sdk/releases/tag/v4.7.0](https://github.com/optimizely/javascript-sdk/releases/tag/v4.7.0)):

- Added new public properties to `OptimizelyConfig`. See \[@optimizely/optimizely-sdk Release 4.7.0]\([https://github.com/optimizely/javascript-sdk/releases/tag/v4.7.0](https://github.com/optimizely/javascript-sdk/releases/tag/v4.7.0)) for details.
- Deprecated `OptimizelyFeature.experimentsMap` of `OptimizelyConfig`. See \[@optimizely/optimizely-sdk Release 4.7.0]\([https://github.com/optimizely/javascript-sdk/releases/tag/v4.7.0](https://github.com/optimizely/javascript-sdk/releases/tag/v4.7.0)) for details.

For more information, refer to our documentation page: \[[https://docs.developers.optimizely.com/full-stack/v4.0/docs/optimizelyconfig-react\](https://docs.developers.optimizely.com/full-stack/v4.0/docs/optimizelyconfig-react)](https://docs.developers.optimizely.com/full-stack/v4.0/docs/optimizelyconfig-react]\(https://docs.developers.optimizely.com/full-stack/v4.0/docs/optimizelyconfig-react\))

[https://github.com/optimizely/react-sdk/releases/tag/2.7.0](https://github.com/optimizely/react-sdk/releases/tag/2.7.0)