The CoreGen Intermediate Representation (IR) specification version 1.4.2 has been released! Note that this released is still considered a DRAFT as we have many features planned to implement for the forthcoming months.
You can download the latest IR specs on the CoreGen IR Release page.
You can find the source code for the spec on Github. Feel free to make comments/questions via the Github Issues. See the IR spec Github source URL on list of repositories.