---
title: Javascript-SDK - 4.3.3
slug: feature-experimentation/release-notes/javascript-sdk-4-3-3
docTags: 
createdAt: 2026-07-20T15:45:32.739Z
---

\## \[4.3.3] - October 7, 2020

\### Bug fixes
\- Exported \`OptimizelyVariable\`, \`OptimizelyVariation\`, \`OptimizelyExperiment\`, \`OptimizelyFeature\`, \`UserProfileService\`, and \`UserProfile\` types from TypeScript type definitions (\[#594]\([https://github.com/optimizely/javascript-sdk/pull/594](https://github.com/optimizely/javascript-sdk/pull/594)))

[https://github.com/optimizely/javascript-sdk/releases/tag/v4.3.3](https://github.com/optimizely/javascript-sdk/releases/tag/v4.3.3)