---
title: Swift-SDK - 5.3.0
slug: feature-experimentation/release-notes/swift-sdk-5-3-0
docTags: 
createdAt: 2026-07-20T15:45:36.165Z
---

## 5.3.0

May 4, 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.

- Add Feature Rollout support ([#626](https://github.com/optimizely/swift-sdk/pull/626))

[https://github.com/optimizely/swift-sdk/releases/tag/v5.3.0](https://github.com/optimizely/swift-sdk/releases/tag/v5.3.0)