AWS m2 documentation change

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

File: m2/latest/userguide/lifecycle-m2.md

Summary

Updated service availability notice to announce closure of new customer access for self-managed experience and restate closure for managed experience

Security assessment

Change focuses on service lifecycle announcements without addressing security vulnerabilities. General mention of security improvements doesn't constitute security documentation.

Diff

diff --git a/m2/latest/userguide/lifecycle-m2.md b/m2/latest/userguide/lifecycle-m2.md
index 7eff52558..32de85118 100644
--- a//m2/latest/userguide/lifecycle-m2.md
+++ b//m2/latest/userguide/lifecycle-m2.md
@@ -9 +9,3 @@ Components lifecycle overviewVersion upgradeAWS Mainframe Modernization Refactor
-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).