---
title: Swift-SDK - 5.1.0
slug: feature-experimentation/release-notes/swift-sdk-5-1-0
docTags: 
createdAt: 2026-07-20T15:45:37.330Z
---

## 5.1.0

[#510](docId\:vvH01bYQKW28r2CNTn47l)

February 4th, 2025

### Functionality Enhancement

[#functionality-enhancement](docId\:vvH01bYQKW28r2CNTn47l)

- Add support for nested event tags ([#570](https://github.com/optimizely/swift-sdk/pull/570)).

[https://github.com/optimizely/swift-sdk/releases/tag/v5.1.0](https://github.com/optimizely/swift-sdk/releases/tag/v5.1.0)