Please be able to control Schedule the maintenance from the user's perspective.
Users can decide when scheduled maintenance starts from in AWS.
e.g. Maintenance refers to the application of OS and database security patches.
Please be able to control schedule the maintenance in Azure Database for PostgreSQL from the users . It is problem that unexpected connection failures by maintenance in Azure Database.
For pre-planned maintenance, the convenience of users will be improved , if schedule the maintenance can be controlled.
How do I minimize downtime during required Amazon RDS maintenance?
Maintaining a DB Instance
Sunil Agarwal commented
Thanks for your feedback. This capability is now in preview with Flexible Server https://docs.microsoft.com/en-us/azure/postgresql/flexible-server/concepts-maintenance