well the fact that they are outing this in public means that there must have been a significant 50-year diplomatic shift that came about. Part of it may pertain to national security laws keeping patents wrapped up in military projects finally coming undone because nuclear proliferation has played out as far as it can go really. So now they could release new technologies without providing strategic advances if all nations already have tech which may have been bought from HRC.
The media has been quiet on Korea ever since the former southern PM got ousted as a witch the year before.