---
title: Javascript-SDK - v1.3.0
slug: feature-experimentation/release-notes/javascript-sdk-v1-3-0
docTags: 
createdAt: 2026-07-20T15:45:41.920Z
---

\* Bump optimizely-server-sdk to version 1.2.0, which includes:
\- Introduce support for event tags.
\- Add optional eventTags argument to track method signature.
\- Removed optional eventValue argument from track method signature.
\- Removed optional sessionId argument from activate and track method signatures.
\- Allow log level config on createInstance method

[https://github.com/optimizely/javascript-sdk/releases/tag/v1.3.0](https://github.com/optimizely/javascript-sdk/releases/tag/v1.3.0)