The commits referenced in the blog post look to be from the Scalar team lead as well. Looks like some of their work is getting upstreamed which is exciting. [2]
Although, I wonder what this means for the Scalar project itself.
[1] https://devblogs.microsoft.com/devops/introducing-scalar/
[2] e.g., https://github.com/git/git/compare/26bb5437f6defed72996b6a2b...