AWS AmazonRDS: Announced MariaDB 12.3 support

Service: AmazonRDS · 2026-08-12 · Documentation low

File: AmazonRDS/latest/UserGuide/WhatsNew.md

Summary

Added release note for MariaDB 12.3 availability.

Security assessment

General feature announcement without security-specific content.

Evidence

Amazon RDS supports MariaDB 12.3| You can now create Amazon RDS DB instances running MariaDB version 12.3.

Diff

diff --git a/AmazonRDS/latest/UserGuide/WhatsNew.md b/AmazonRDS/latest/UserGuide/WhatsNew.md
index 25091cbe9..59fa4ba6e 100644
--- a//AmazonRDS/latest/UserGuide/WhatsNew.md
+++ b//AmazonRDS/latest/UserGuide/WhatsNew.md
@@ -20,0 +21 @@ Change| Description| Date
+Amazon RDS supports MariaDB 12.3| You can now create Amazon RDS DB instances running MariaDB version 12.3. For more information, see [MariaDB on Amazon RDS versions](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/MariaDB.Concepts.VersionMgmt.html).| August 7, 2026