AWS m2 documentation change
Summary
Updated service availability notice to announce closure of new customer access for AWS Mainframe Modernization self-managed experience effective July 30, 2026, and reiterated closure for managed experience. Added note about ongoing security and availability improvements for self-managed experience.
Security assessment
The change mentions ongoing security improvements but doesn't address any specific vulnerability. It's an informational update about service availability with a general security commitment statement.
Diff
diff --git a/m2/latest/userguide/ba-runtime-error-codes-s.md b/m2/latest/userguide/ba-runtime-error-codes-s.md index a5ad76de3..40692648e 100644 --- a//m2/latest/userguide/ba-runtime-error-codes-s.md +++ b//m2/latest/userguide/ba-runtime-error-codes-s.md @@ -7 +7,3 @@ -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).