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AWS mgn: Add doc history entries for Debian 12 support and EBS settings

Service: mgn · 2026-09-27 · Documentation low

File: mgn/latest/ug/doc-history.md

Summary

Adds changelog entries for Debian 12 OS support and new EBS volume settings in the default EC2 launch template.

Security assessment

This is a documentation changelog entry; the EBS 'Delete on termination' setting has minor data-retention implications but no security vulnerability is addressed.

Evidence

+Added Amazon EBS volume settings to the default EC2 launch template |  You can now configure the **Volume initialization rate** and **Delete on termination** Amazon EBS volume settings in the default EC2 launch template. For more information, see [Default EC2 launch template settings](./launch-template.html#default-ec2-launch-template). | September 8, 2026  

Diff

diff --git a/mgn/latest/ug/doc-history.md b/mgn/latest/ug/doc-history.md
index 735236f27..f7c408d02 100644
--- a//mgn/latest/ug/doc-history.md
+++ b//mgn/latest/ug/doc-history.md
@@ -16,0 +17,2 @@ Change | Description | Date
+Update support matrix with new OS |  Added Debian 12 to the list of supported Linux operating systems. | September 23, 2026  
+Added Amazon EBS volume settings to the default EC2 launch template |  You can now configure the **Volume initialization rate** and **Delete on termination** Amazon EBS volume settings in the default EC2 launch template. For more information, see [Default EC2 launch template settings](./launch-template.html#default-ec2-launch-template). | September 8, 2026