# 2019-12-30

* We've released our new and improved [Ripple](https://app.alphaus.cloud/ripple/)/[Wave](https://app.alphaus.cloud/wave/) core calculation service. These service is a port of our previous calculation engine which was written in [PHP](https://www.php.net/). The new service is built using the [Go](https://golang.org/) programming language.
* The new service now supports [AWS Savings Plan](https://aws.amazon.com/savingsplans/). Savings Plan transfer/move is not yet supported.


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