[AI-FSSDK] [FSSDK-13070] prepare for release javascript v6.6.0 (#1174)

* [FSSDK-13070] update CHANGELOG for javascript v6.6.0

* [FSSDK-13070] bump version to 6.6.0

* [FSSDK-13070] adjustment

* [FSSDK-13070] adjustment

Author: junaed-optimizely

CHANGELOG.md

@@ -5,6 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [6.6.0] - September 3, 2026
+
+### New Features
+
+**Holdout Targeted Delivery Exclusion**: Holdouts can now be configured to exclude Targeted Delivery rules, so users held out of experiments still receive their Targeted Delivery experiences. This gives you a cleaner measure of experiment impact without holding users back from ongoing rollouts.
+
+- Add holdout exclusion logic for Targeted Delivery rules ([#1171](https://github.com/optimizely/javascript-sdk/pull/1171))
+
 ## [6.5.0] - July 8, 2026
 
 ### New Features

lib/utils/enums/index.ts

@@ -44,7 +44,7 @@ export const CONTROL_ATTRIBUTES = {
 export const JAVASCRIPT_CLIENT_ENGINE = 'javascript-sdk';
 export const NODE_CLIENT_ENGINE = 'node-sdk';
 export const REACT_NATIVE_JS_CLIENT_ENGINE = 'react-native-js-sdk';
-export const CLIENT_VERSION = '6.5.0';
+export const CLIENT_VERSION = '6.6.0';
 
 /*
  * Represents the source of a decision for feature management. When a feature

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@optimizely/optimizely-sdk",
-  "version": "6.5.0",
+  "version": "6.6.0",
   "description": "JavaScript SDK for Optimizely Feature Experimentation, Optimizely Full Stack (legacy), and Optimizely Rollouts",
   "main": "./dist/index.node.min.js",
   "browser": "./dist/index.browser.es.min.js",