AWS Config made available several improvements to customers of Config Rules. Customers now receive notifications approximately changes to tags on resources within minutes,enabling improved accuracy of the required-tags Config Rule. Customers also get a new managed rule that checks whether Multi-factor authentication is enabled for IAM users with root credentials, and a new Java sample for this rule is now available in the Config Rules GitHub repository. Additionally, or customers can now view their custom annotations for complaint or noncompliant changes on the Config Rules console,and receive finer grained status approximately rule invocation and evaluation timestamps on the Config Rules detail page.
Source: amazon.com