---
title: Java-SDK - 1.6.0
slug: feature-experimentation/release-notes/java-sdk-1-6-0
docTags: 
createdAt: 2026-07-20T15:44:20.993Z
---

\- Add event tags to \`track\` API and include in the event payload
\- Deprecates the \`eventValue\` parameter from the \`track\` method. Should use event tags to pass in event value instead
\- Gracefully handle a null attributes parameter
\- Gracefully handle a null/empty datafile when using the Gson parser

[https://github.com/optimizely/java-sdk/releases/tag/1.6.0](https://github.com/optimizely/java-sdk/releases/tag/1.6.0)