---
title: Java-SDK - 1.3.0
slug: feature-experimentation/release-notes/java-sdk-1-3-0
createdAt: 2026-07-20T15:45:04.128Z
---

- Add `onEventTracked` listener
- Change `getVariableFloat` to `getVariableDouble`
- Persist experiment and variation IDs instead of keys in the `UserProfile`

[https://github.com/optimizely/java-sdk/releases/tag/1.3.0](https://github.com/optimizely/java-sdk/releases/tag/1.3.0)