AWS m2 documentation change
Summary
Updated service availability notice to announce closure of new customer access to AWS Mainframe Modernization self-managed experience effective July 30, 2026, while maintaining existing customer access and security investments.
Security assessment
The change announces service deprecation timelines but contains no evidence of addressing specific vulnerabilities. The mention of continued security investments is operational maintenance, not a response to a security incident.
Diff
diff --git a/m2/latest/userguide/set-up-ea.md b/m2/latest/userguide/set-up-ea.md index 2e825cd30..c432e0496 100644 --- a//m2/latest/userguide/set-up-ea.md +++ b//m2/latest/userguide/set-up-ea.md @@ -9 +9,3 @@ Image contentsPrerequisitesStep 1: SetupStep 2: Create the Amazon S3 based virtu -AWS Mainframe Modernization Service (Managed Runtime Environment experience) is no longer open to new customers. For capabilities similar to AWS Mainframe Modernization Service (Managed Runtime Environment experience) explore AWS Mainframe Modernization Service (Self-Managed Experience). Existing customers can continue to use the service as normal. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html). +After careful consideration, we have made the decision to close new customer access to **AWS Mainframe Modernization self-managed experience** , effective July 30, 2026. Existing customers can continue to use the service as normal. AWS continues to invest in security and availability improvements for AWS Mainframe Modernization self-managed experience, but we do not plan to introduce new features. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html). + +**AWS Mainframe Modernization Service (Managed Runtime Environment experience)** is no longer open to new customers. For capabilities similar to AWS Mainframe Modernization Service (Managed Runtime Environment experience) explore AWS Mainframe Modernization Service (Self-Managed Experience). Existing customers can continue to use the service as normal. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html).