AWS m2 documentation change
Summary
Updated service availability notice: Added announcement about closing new customer access to AWS Mainframe Modernization self-managed experience effective July 30, 2026, while retaining existing service operations and security investments.
Security assessment
The change describes service lifecycle updates without any reference to security vulnerabilities or new security features. The security improvements mentioned are part of ongoing maintenance.
Diff
diff --git a/m2/latest/userguide/assembler-conversion-steps.md b/m2/latest/userguide/assembler-conversion-steps.md index 0f2af0a8a..a02008c76 100644 --- a//m2/latest/userguide/assembler-conversion-steps.md +++ b//m2/latest/userguide/assembler-conversion-steps.md @@ -9 +9,3 @@ PrerequisitesStep 1: Share the build assets with AWS accountStep 2: Create Amazo -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).