---
title: Javascript-SDK - 3.0.0-rc
slug: feature-experimentation/release-notes/javascript-sdk-3-0-0-rc
docTags: 
createdAt: 2026-07-20T15:44:36.638Z
---

This is the release candidate version of the 3.0 SDK:

\### New Features

\- Support for boolean combinations of audiences on experiments (\[#175]\([https://github.com/optimizely/javascript-sdk/pull/175](https://github.com/optimizely/javascript-sdk/pull/175)))
\- Added PR template and commit message guidelines (\[#183]\([https://github.com/optimizely/javascript-sdk/pull/183](https://github.com/optimizely/javascript-sdk/pull/183)))

\### Fixes

\- Updated dependency versions (\[#180]\([https://github.com/optimizely/javascript-sdk/pull/180](https://github.com/optimizely/javascript-sdk/pull/180)))
\- Suppressed unwanted console output in tests (\[#181]\([https://github.com/optimizely/javascript-sdk/pull/181](https://github.com/optimizely/javascript-sdk/pull/181)))
\- Update project config to handle latest 3.0 datafile format (\[#182]\([https://github.com/optimizely/javascript-sdk/pull/182](https://github.com/optimizely/javascript-sdk/pull/182)))

[https://github.com/optimizely/javascript-sdk/releases/tag/v3.0.0-rc](https://github.com/optimizely/javascript-sdk/releases/tag/v3.0.0-rc)