Both, actually. Jorg said that the platform (Xbox) team are looking into a solution, but that could take a year or more. So Asobo are trying a “roll your own” solution that looks promising.
But he also said that it would be several months before this would go live, assuming they can make it work. So you should probably keep your expectations in check.
According to the transcript of the March 2nd Q&A found here: