---
title: Javascript-SDK - 4.6.0
slug: feature-experimentation/release-notes/javascript-sdk-4-6-0
docTags: 
createdAt: 2026-07-20T15:44:17.982Z
---

## \[4.6.0]

May 27, 2021

### New Features

\- Added support for multiple concurrent prioritized experiments per flag (\[#664]\([https://github.com/optimizely/javascript-sdk/pull/664](https://github.com/optimizely/javascript-sdk/pull/664)))

### Bug fixes

\- Fixed the issue of forced-variation and whitelist not working properly with exclusion group experiments (\[#664]\([https://github.com/optimizely/javascript-sdk/pull/664](https://github.com/optimizely/javascript-sdk/pull/664)))
\- Bumped \`datafile-manager\` and \`event-processor\` packages to version \`0.8.1\`

[https://github.com/optimizely/javascript-sdk/releases/tag/v4.6.0](https://github.com/optimizely/javascript-sdk/releases/tag/v4.6.0)