Created attachment 254088 [details] Test App Event listeners added via window.addEventListener('storage', listener, false); are not triggered when local storage is changed in UIWebView. Steps to Reproduce: 1.) Unarchive UIWebView.zip 2.) Build and launch attached project 3.) Observe changes of rendered text Expected Results: Rendered text should change from "Listener Page" to "modified key: test_key", because 'storage' even listener updates a document when local storage is changed. Actual Results: Page remains unchanged and always shows "Listener Page" text. Can not reproduce with WKWebView (change USE_UI_WEB_VIEW macro to 0 in ViewController.m).
rdar://21207340