# Amazon EMR 7.0.0 - Oozie release notes
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| Type | Description | 
| --- | --- | 
| Upgrade | Oozie Client and Server now use Java 17 by default. Please refer [EMR 7.0.0 Release Guide](https://docs.aws.amazon.com/emr/latest/ReleaseGuide/emr-700-release.html) for more details. |