AWS m2 documentation change

Service: m2 · 2026-07-01 · Documentation low

File: m2/latest/userguide/tutorial-templates-ed.md

Summary

Updated introductory notice with separate announcements for self-managed experience closure and Managed Runtime Environment availability

Security assessment

Purely administrative change regarding service access policies. No security vulnerabilities are referenced, and the security improvements note doesn't document any specific security features.

Diff

diff --git a/m2/latest/userguide/tutorial-templates-ed.md b/m2/latest/userguide/tutorial-templates-ed.md
index e01fef84a..fedfe09ee 100644
--- a//m2/latest/userguide/tutorial-templates-ed.md
+++ b//m2/latest/userguide/tutorial-templates-ed.md
@@ -9 +9,3 @@ Use Case 1 - Using the COBOL Project Template containing source componentsUse Ca
-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).