---
title: Java-SDK - 3.3.1
slug: feature-experimentation/release-notes/java-sdk-3-3-1
docTags: 
createdAt: 2026-07-20T15:44:34.417Z
---

\## 3.3.1
October 11th, 2019

\### New Features:
\- java.util.Supplier is not supported below Android API 24. In order to support Android 22 which still has more than 10% market share, we have changed our implementation to use our own config supplier interface.

[https://github.com/optimizely/java-sdk/releases/tag/3.3.1](https://github.com/optimizely/java-sdk/releases/tag/3.3.1)