The Data Pump Bundle Patches get released on top of every RU since over a year now. But a real issue with missing files got detected recently. So in case you had applied Data Pump Bundle Patches: You may need to download and apply again.

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What is in the Data Pump Bundle Patch?
The Data Pump Bundle Patch is a convenient and very useful vehicle to apply Data Pump patches which are usually not included in a Release Update (RU). While RUs are per definitionem RAC-rolling and Standby-First, the Data Pump Bundle …
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