Customers probably wouldn't appreciate getting a Windows instance with an inconsistent patch level, you want to know that when you start a specific AMI ID you t

Customers probably wouldn't appreciate getting a Windows instance with an inconsistent patch level, you want to know that when you start a specific AMI ID you tested in your staging environment that it will be the same AMI you launch in production. Also they ship a new Windows instance approximately every 3-4 weeks with the most recent updates merged in. They don't make a big enough thing of it but you can subscribe to update announcements.