I might be missing something, but wasn't this (=> encryption at rest) the case always, and why this post only now? Also, the cautionary note, as given https://

I might be missing something, but wasn't this (=> encryption at rest) the case always, and why this post only now? Also, the cautionary note, as given https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/encryption.howitworks.html https://docs.aws.amazon.com/amazondynamodb/latest/developerg... "You should ensure you have configured the SDK to reuse connections. Otherwise you will experience latencies from DynamoDB having to re-establish new KMS cache entries for each DynamoDB operation, and potentially have to face higher KMS and Cloudtrail costs. For example, to do this using the Node.js SDK, you can create a new https agent with keepAlive turned on. "