---
title: Optimizely-Flutter-SDK - v3.4.2
slug: feature-experimentation/release-notes/optimizely-flutter-sdk-v3-4-2
docTags: 
createdAt: 2026-07-20T15:44:25.434Z
---

## 3.4.2

[#342](docId\:lyLVgO-gb24CJuQ0bWl6e)

March 25th, 2026

### Bug Fixes

[#bug-fixes](docId\:lyLVgO-gb24CJuQ0bWl6e)

- Ensure FlutterResult and invokeMethod are always called on main thread ([#98](https://github.com/optimizely/optimizely-flutter-sdk/pull/98))

[https://github.com/optimizely/optimizely-flutter-sdk/releases/tag/v3.4.2](https://github.com/optimizely/optimizely-flutter-sdk/releases/tag/v3.4.2)