!!! IMPORTANT !!!
Do you have customers on Oracle 12c – 12.2.x or 12.1.x ???
If you do, then inform your customer that Oracle 12c 12.2/12.1 have reached End of Life and Oracle strongly recommends upgrading to 19c.
!!! DETAILS !!!
A. For the Oracle Enterprise geodatabase to support ArcGIS Pro 3.0 / Enterprise 11.0.0
the Geodatabase ArcSDE Repositoy needs to be created and/or upgraded using ArcGIS Pro 3.0
Client and geodatabase compatibility
https://pro.arcgis.com/en/pro-app/latest/help/data/geodatabases/overview/client-geodatabase-compatibility.htm
Oracle Enterprise Geodatabase ArcSDE Repository Upgrade Using Oracle Restore Point
https://community.esri.com/t5/mapping-and-charting-enterprise-databases/oracle-egdb-sde-repo-upgrade-using-oracle-restore/ba-p/1190454
B. Oracle 12c has reached end of life by Oracle and customer needs to migrate to 19c + latest patchset