[FSSDK-11146] prepare for release 3.4.0

.pubignore

@@ -0,0 +1,5 @@
+# Project-specific documentation not needed in published package
+CLAUDE.md
+
+# Claude Code local configurations
+.claude/

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Optimizely Flutter SDK Changelog
 
+## 3.4.0
+January 7th, 2026
+
+### New Features
+
+* **CMAB (Contextual Multi-Armed Bandit) Support** ([#94](https://github.com/optimizely/optimizely-flutter-sdk/pull/94))
+	- Added `CmabConfig` class for CMAB initialization with configurable cache settings and custom prediction endpoints.
+	- Added `decideAsync()` methods to `OptimizelyUserContext` for asynchronous CMAB decision-making.
+	- New CMAB-specific decide options: `ignoreCmabCache`, `resetCmabCache`, `invalidateUserCmabCache`
+* **Add Holdout support for feature experimentation.**
+* **Add Multi-Region Support for Data Hosting.**
+
+### Bug Fixes
+* **Nested Object Support in Event Metadata for Swift** ([#92](https://github.com/optimizely/optimizely-flutter-sdk/pull/92))
+	- Enhanced event metadata handling to support complex nested objects in iOS/Swift.
+
 ## 3.3.0
 October 29th, 2025
 

README.md

@@ -30,7 +30,7 @@ Other Flutter platforms are not currently supported by this SDK.
 To add the flutter-sdk to your project dependencies, include the following in your app's pubspec.yaml:
 
 ```
-   optimizely_flutter_sdk: ^3.3.0
+   optimizely_flutter_sdk: ^3.4.0
 ```
 
 Then run 

lib/package_info.dart

@@ -3,5 +3,5 @@
 
 class PackageInfo {
   static const String name = 'optimizely_flutter_sdk';
-  static const String version = '3.3.0';
+  static const String version = '3.4.0';
 }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: optimizely_flutter_sdk
 description: This repository houses the Flutter SDK for use with Optimizely Feature Experimentation, Optimizely Full Stack (legacy), and Optimizely Rollouts.
-version: 3.3.0
+version: 3.4.0
 homepage: https://github.com/optimizely/optimizely-flutter-sdk
 
 environment: