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 service and security improvements.
Security assessment
Explicitly mentions ongoing security improvements for self-managed experience but doesn't address any specific vulnerability or incident. General security commitment doesn't constitute evidence of a security issue.
Diff
diff --git a/m2/latest/userguide/ba-runtime-maint-container.md b/m2/latest/userguide/ba-runtime-maint-container.md index 501b8f9b7..bb9eb13aa 100644 --- a//m2/latest/userguide/ba-runtime-maint-container.md +++ b//m2/latest/userguide/ba-runtime-maint-container.md @@ -9 +9,3 @@ PrerequisitesUpgrade the AWS Transform for mainframe Runtime -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).