AWS Security ChangesHomeSearch

AWS m2 documentation change

Service: m2 · 2026-07-04 · Documentation low

File: m2/latest/userguide/bac-usage.md

Summary

Updated effective date for closing new customer access to AWS Mainframe Modernization self-managed experience from July 30, 2026 to June 30, 2026

Security assessment

Administrative date update without security content changes. No evidence of security incident remediation or feature addition.

Diff

diff --git a/m2/latest/userguide/bac-usage.md b/m2/latest/userguide/bac-usage.md
index 91c7eea3b..277065e67 100644
--- a//m2/latest/userguide/bac-usage.md
+++ b//m2/latest/userguide/bac-usage.md
@@ -9 +9 @@ Existing data set operationsCreating operations
-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). 
+After careful consideration, we have made the decision to close new customer access to **AWS Mainframe Modernization self-managed experience** , effective June 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).