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
The change announces service deprecation timelines but contains no evidence of addressing specific vulnerabilities. Mentions of security improvements are general commitments without documenting actual security features or fixes.
Diff
diff --git a/m2/latest/userguide/ba-security-cve.md b/m2/latest/userguide/ba-security-cve.md index 359a6d6ea..9547808e9 100644 --- a//m2/latest/userguide/ba-security-cve.md +++ b//m2/latest/userguide/ba-security-cve.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).