How does Azure Database for PostgreSQL Flexible Server handle automatic minor version upgrades?

1. A Minor versions are never upgraded automatically
2. ✓ B Minor version upgrades apply automatically during the maintenance window without user action (correct answer)
3. C Minor upgrades require a manual trigger from the portal
4. D Minor upgrades require creating a new server

Shortcut: Azure Database for PostgreSQL Flexible Server automatically applies minor version patches during the configured maintenance window, requiring no user action.