---
title: Android-SDK - 3.1.2
slug: feature-experimentation/release-notes/android-sdk-3-1-2
docTags: 
createdAt: 2026-07-20T15:45:08.582Z
---

\## 3.1.2
January 7th, 2020

\### Bug Fixes:
\* Add keep for log4j to proguard rules.

[https://github.com/optimizely/android-sdk/releases/tag/3.1.2](https://github.com/optimizely/android-sdk/releases/tag/3.1.2)