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Target customers: all users of ApsaraDB RDS for PostgreSQL instances that are equipped with local SSDs. Features released: The PostgreSQL community releases a major version every year to provide new features for higher performance. ApsaraDB RDS for PostgreSQL supports versions 9.4, 10, 11, 12, and 13. ApsaraDB RDS for PostgreSQL instances that run PostgreSQL 10, 11, or 12 and are equipped with standard or enhanced SSDs have already been provided with major version upgrades. In this release, users of ApsaraDB RDS for PostgreSQL instances that run PostgreSQL 9.4 or 10 and are equipped with local SSDs can also upgrade ApsaraDB RDS for PostgreSQL to a later major version. For example, version 9.4 can be upgraded to 10, 11, 12, or 13. Version 10 can be upgraded to 11, 12, or 13.