Browser support Browser support varies for each version of the user interface (UI). Most major browsers are supported. Some features have additional browser requirements, which are noted in the appropriate documentation. Note: UI11 is no longer supported. All instances have been upgraded to UI15 or UI16. Table 1. Browser support for each UI version UI version Chrome support Firefox support Internet Explorer support Microsoft Edge support Safari support Tablet mobile browser Phone mobile browser* UI16 Latest public release Latest public release of Firefox or Firefox ESR 11 and up Edge mode is supported Latest public release 9.1 and up Supported Not supported UI15 Latest public release Latest public release of Firefox or Firefox ESR 11 and up Edge mode is supported Latest public release 9.1 and up Supported Not supported *Mobile phone browsers do not support the desktop version of the UI. Instead, mobile browsers use the mobile UI. Internet Explorer web browser notes Compatibility mode is not supported. Setting Security Mode to High (via Internet Options > Security tab) is not supported. Internet Explorer 11 is susceptible to memory leaks, which may impact performance, especially in Windows 7. In Kingston and later, Internet Explorer versions prior to IE11 are no longer supported. Safari web browser notes There is a security issue in some versions of Safari. User credentials may be disclosed to an unexpected site via auto-fill. For more information, see the Apple security update. Starting with Safari 9.1 and future versions of Safari, the leave page / stay on page pop-up message only displays once. Exceptions to browser supportCertain applications and features in the Kingston release have browser requirements that differ from the list of browsers generally supported by the ServiceNow platform.