[flohofwoe]

The article reads more like its a pat on the shoulder for general cleanup work on the Chrome render pipeline that's already been happening since 2014 and that's now nearing the finish line. Also exchange of implementation ideas is more important than exchange of code, especially for implementations of web standards. Microsoft reusing Chromium is already bad enough for the web as a whole (as a counter example, AFAIK the WebGPU implementation teams have been working closely together, but each on their own implementation, which sounds pretty much perfect to me, healthy competition, but without reinventing the wheel).