After the accession of Satya Nadella to the position of chief of Microsoft, the company fundamentally changed the way work and its approach to open-source. Therefore, the decision to make the engine open to the community comes as no surprise, although it is very interesting.
The Chakra engine was developed by Microsoft from scratch in 2008. Its main features is the high performance and ability to adapt to new scenarios on a range of hardware profiles. As evidence Microsoft cites the fact that today is the primary Chakra of universal application, and is also used in the work of Azure DocumentDB, Cortana and Outlook.com.