Oracle Database 19c is available for Exadata on-prem for quite a few weeks now. But even if you didn’t download it yet, you may want to use the new 19.2 preupgrade.jar tool to check and examine your database. For this purpose you can find the Oracle 19c preupgrade.jar and preupgrade checks available and documented on MOS.
Oracle 19c preupgrade.jar and preupgrade checks
I received several emails already from customers asking whether they can get the most recent Oracle 19c preupgrade tool without downloading the entire 19c software stack. And thanks to my team mates, the tool is available now in the 19.2 version from March 2019:
And in addition, the Upgrade Team documented the new preupgrade checks as well in:
This doesn’t mean you’ll have to upgrade now. But you can check your database already if you want.