---
title: Optimizely-Flutter-SDK - v3.4.3
slug: feature-experimentation/release-notes/optimizely-flutter-sdk-v3-4-3
docTags: 
createdAt: 2026-07-20T15:45:41.302Z
---

## 3.4.3

May 01, 2026

### Bug Fixes

- Guard static MethodChannel from multi-engine overwrite ([#103](https://github.com/optimizely/optimizely-flutter-sdk/pull/103))
- Guard detachFromEngine from multi-engine channel teardown ([#105](https://github.com/optimizely/optimizely-flutter-sdk/pull/105))

[https://github.com/optimizely/optimizely-flutter-sdk/releases/tag/v3.4.3](https://github.com/optimizely/optimizely-flutter-sdk/releases/tag/v3.4.3)