RDB With Datapump Option a "REVOLUTION"
Here is a list of advantages to use "datapump" instead of "rman" backup
*Logical Backups with Oracle Datapump Export
*Automatic Tablespace Monitoring
*Support of Oracle Container Databases with Pluggable Databases inside.
*Support of Oracle Managed Files
*No security breach because of RMAN backups throughout the RDB application ( arc_xpi User )
*Crossversion Compatibility of Datapump Exports
*Crossplatform Compatibility of Datapump Exports
*Reducing the number of database files significantly
*Default database installation possible for most of the WinCC OA projects
*No offline Datafiles anymore
*Standard RMAN backups can be used without skipping offline datafiles
*Reduces the effort for Database Upgrades and Server Migrations
*Constant Database Size because of reusing empty blocks
So there are a lot of advantages using "datapump".
The datapump archiving feature is available in 3.15 ,3.16 and 3.17
If you need additional information please feel free to answer this post.
Oracle Database Consultant @ETM