Upstream refuses to import anything related to BSD support, so they need to be maintained out of tree.

And this is for a much more popular set of projects.

"Not an easy task" is a bit of an understatement.

I would imagine, but now I'm trying to figure out why; do they really use that much API surface? Network access should be simple enough, they need audio, keyboard input, and a canvas/surface to render to, but what else?