This didn't stop AWS from at one point declaring "none of the above" as their delivery guarantees for S3 events: https://www.hydrogen18.com/blog/aws-s3-event-n

This didn't stop AWS from at one point declaring "none of the above" as their delivery guarantees for S3 events: https://www.hydrogen18.com/blog/aws-s3-event-notifications-probably-once.html https://www.hydrogen18.com/blog/aws-s3-event-notifications-p... From what I can tell my blog post eventually motivated them to change this behavior