[FSSDK-11938] release prep (#1093)

Author: junaed-optimizely

CHANGELOG.md

@@ -5,6 +5,15 @@ 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).
 
+## [5.4.0] - Oct 13, 2025 
+
+### New Features
+- Added `customHeaders` option to `datafileOptions` for passing custom HTTP headers in datafile requests ([#1092](https://github.com/optimizely/javascript-sdk/pull/1092))
+### Bug Fixes
+- Fix the EventTags type to allow event properties ([#1040](https://github.com/optimizely/javascript-sdk/pull/1040))
+- Fix typo in event.experimentIds field in project config ([#1088](https://github.com/optimizely/javascript-sdk/pull/1088))
+
+
 ## [5.3.5] - Jan 29, 2025
 
 ### Bug Fixes

lib/index.browser.tests.js

@@ -193,7 +193,7 @@ describe('javascript-sdk (Browser)', function() {
         optlyInstance.onReady().catch(function() {});
 
         assert.instanceOf(optlyInstance, Optimizely);
-        assert.equal(optlyInstance.clientVersion, '5.3.5');
+        assert.equal(optlyInstance.clientVersion, '5.4.0');
       });
 
       it('should set the JavaScript client engine and version', function() {

lib/index.lite.tests.js

@@ -76,7 +76,7 @@ describe('optimizelyFactory', function() {
         optlyInstance.onReady().catch(function() {});
 
         assert.instanceOf(optlyInstance, Optimizely);
-        assert.equal(optlyInstance.clientVersion, '5.3.5');
+        assert.equal(optlyInstance.clientVersion, '5.4.0');
       });
     });
   });

lib/index.node.tests.js

@@ -90,7 +90,7 @@ describe('optimizelyFactory', function() {
         optlyInstance.onReady().catch(function() {});
 
         assert.instanceOf(optlyInstance, Optimizely);
-        assert.equal(optlyInstance.clientVersion, '5.3.5');
+        assert.equal(optlyInstance.clientVersion, '5.4.0');
       });
 
       describe('event processor configuration', function() {

lib/utils/enums/index.ts

@@ -221,7 +221,7 @@ export const NODE_CLIENT_ENGINE = 'node-sdk';
 export const REACT_CLIENT_ENGINE = 'react-sdk';
 export const REACT_NATIVE_CLIENT_ENGINE = 'react-native-sdk';
 export const REACT_NATIVE_JS_CLIENT_ENGINE = 'react-native-js-sdk';
-export const CLIENT_VERSION ='5.3.5' 
+export const CLIENT_VERSION ='5.4.0' 
 
 export const DECISION_NOTIFICATION_TYPES = {
   AB_TEST: 'ab-test',

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@optimizely/optimizely-sdk",
-  "version": "5.3.5",
+  "version": "5.4.0",
   "description": "JavaScript SDK for Optimizely Feature Experimentation, Optimizely Full Stack (legacy), and Optimizely Rollouts",
   "module": "dist/optimizely.browser.es.js",
   "main": "dist/optimizely.node.min.js",

package.json

@@ -93,7 +93,7 @@ describe('javascript-sdk/react-native', () => {
 
         expect(optlyInstance).toBeInstanceOf(Optimizely);
         // @ts-ignore
-        expect(optlyInstance.clientVersion).toEqual('5.3.5');
+        expect(optlyInstance.clientVersion).toEqual('5.4.0');
       });
 
       it('should set the React Native JS client engine and javascript SDK version', () => {