Amazon Managed Blockchain now supports Hyperledger Fabric v1.4

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Amazon Managed Blockchain now supports Hyperledger Fabric version 1.4 for new networks. In addition to stability improvements and bug fixes, this version improves Node.js and Java client SDKs for easier chaincode development and deployment, enhances private data collections to make the feature more stable and easier to use, supports Java chaincode, and has additional metrics to monitor network activity. Customers can also now select CouchDB as their state database, enabling them to perform richer state data queries from chaincode using JSON storage and query formats. To learn more about these features, please see the Private Data Collections, Java chaincode, CouchDB, and Peer node metrics sections in the Amazon Managed Blockchain Management Guide.

Amazon Managed Blockchain is a fully managed service that allows you to set up and manage a scalable blockchain network with just a few clicks. Amazon Managed Blockchain eliminates the overhead required to create the network, and automatically scales to meet the demands of thousands of applications running millions of transactions. Once your network is up and running, Amazon Managed Blockchain makes it easy to manage and maintain your blockchain network. It manages your certificates and lets you easily invite new members to join the network. 

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