WORKAROUND:
Quest support portal has an option named My Profile including the My Subscription section. Activating the notification in the Quest Support portal will allow you to receive an email notification for new Toad releases.

To receive more assistance activating the option please create a case directly with Customer Service and include your license number, business email and other pertinent information in order to help expedite your request.
STATUS:
This issue has been identified as a defect TSS-2600 in Toad for SQL Server, Toad for DB2, and Toad for SAP and is waiting for a fix in future releases.