Duo will remove the ability for a user to use Duo Push for Authentication, if they have a deprecated version of the DuoMobile application (less than v4.85) on their mobile device. Duo will be rolling this out in a phased in approach starting February 2nd through March 31st . To ensure that you avoid interruptions in your work, you must ensure that your Duo mobile app is updated to at least v4.85.
