# EMR Serverless 7.3.0
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The following table lists the application versions available with EMR Serverless 7.3.0.


| Application | Version | 
| --- | --- | 
| Apache Spark | 3.5.1 | 
| Apache Hive | 3.1.3 | 
| Apache Tez | 0.10.2 | 

**EMR Serverless 7.3.0 release notes**
+ **Job concurrency and queuing with EMR Serverless** – Job concurrency and queuing is enabled by default when you create a new EMR Serverless application on Amazon EMR release 7.3.0 or higher. For more information, refer to [Job concurrency and queuing for an EMR Serverless application](applications-concurrency-queuing.md), which details how to get started with concurrency and queuing and also contains a list of feature considerations.