PostgreSQL minor versions 15.4, 14.9, 13.12, 12.16, 11.21 are now supported by Azure Database for PostgreSQL – Flexible Server.
These minor version upgrades are automatically performed as part of the monthly planned maintenance in Azure Database for PostgreSQL – Flexible Server. This upgrade automation ensures that your databases are always running on the most secure and optimized versions without requiring manual intervention. This release fixes two security vulnerabilities and over 40 bugs.
Learn More - Please refer to the PostgreSQL community announcement for more details about the release.