> For the complete documentation index, see [llms.txt](https://docs.alphaus.cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.alphaus.cloud/release-notes/2019-12-30.md).

# 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.