Discover more about what's new at AWS with Amazon EMR Serverless now supports live configuration updates without application restarts

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Amazon EMR Serverless now allows updates to key application configurations — such as maximum capacity and custom image settings — without stopping and restarting the application. New workloads submitted after an update automatically use the new settings, while existing workloads continue uninterrupted. Previously, these changes required a full stop-and-restart cycle, forcing maintenance windows and blocking job submissions. The feature is available across all EMR releases and AWS Regions where EMR Serverless is supported.