https://aws.amazon.com/about-aws/whats-new/2019/10/dynamodbmapper-now-supports-optimistic-locking-for-amazon-dynamodb-transactional-api-calls/?utm_source=newsletter&utm_medium=email&utm_content=offbynone&utm_campaign=Off-by-none%3A%20Issue%20%2357
Discover more about what's new at AWS with DynamoDBMapper now supports optimistic locking for Amazon DynamoDB transactional API calls
optimistic lockingamazon dynamodbtransactionalapi