Update Zend Framework 1.12.0 to proper detect windows 8, windows 8.1 windows 10, Internet Explorer 11, Edge.
To do this you need replace Zend_Http_UserAgent_AbstractDevice class because is old and out of date.
- AbstractDevice.php contain proper changes to detect latest os and web browser from Microsoft. - exampleUsage.php contain example of how detect browser in your ZF 1 project.