---
title: Android-SDK - 5.2.0
slug: feature-experimentation/release-notes/android-sdk-5-2-0
docTags: 
createdAt: 2026-07-20T15:45:34.646Z
---

## 5.2.0

May 11, 2026

### New Features

**Feature Rollout**: Added support for Feature Rollouts, a new experiment type combining Targeted Delivery simplicity with A/B test measurement capabilities. Feature Rollouts enable progressive rollouts with full impact analytics, metric tracking, and confidence intervals. See [Feature Rollout docs](docId\:FYbuu0asBt5htNNrEp235) for more information.

- Upgrade dependency to [Java SDK 4.4.0](https://github.com/optimizely/java-sdk/releases/tag/4.4.0)

### Fixes and Improvements

- Update cmab error handling ([#522](https://github.com/optimizely/android-sdk/pull/522))

[https://github.com/optimizely/android-sdk/releases/tag/5.2.0](https://github.com/optimizely/android-sdk/releases/tag/5.2.0)