Supermarket 3.3.1 was released today and is available for download at https://downloads.chef.io/supermarket.
A big thanks goes out to Pavel Kazhavets for contributing the fix for enabling AWS IAM roles for S3 bucket cookbook storage. IAM user keys are no longer required!
Enhancements
- add support for S3 storage using IAM roles #1747 (pavel-kazhavets)