Amazon RDS Custom for SQL Server now supports Microsoft SQL Server 2022 CU9 for Web, Standard, Enterprise and Developer Editions. You can now use SQL Server 2022 features such as Query Store enhancements, Parameter Sensitive Plan optimization, and SQL Server Ledger on your Amazon RDS for SQL Server DB instances. To learn more about the SQL Server 2022 release, please visit Microsoft SQL Server 2022 release notes. To learn more about SQL Server 2022 CU9 fixes and enhancements, visit Microsoft’s release note.
Source:: Amazon AWS