it’s labeled as legacy on the dashboard:
there will probably be a more “official” communication on what this will look like, but: yes, we are going to deprecate the current unmanaged “automated postgres” templates for the new Managed Postgres offering.
postgres-flex is open source on github, so it will still be possible to deploy/maintain it after we stop supporting it - or update to the latest minor version now, if you need. GitHub - fly-apps/postgres-flex: Postgres HA setup using repmgr