Thread:SonikkuAensland/@comment-5688420-20191125110650/@comment-5688420-20191127114930

That's because the devs are applying the former method: have the ports be worked concurrently, but release it within a certain time period to sort out the kinks, which is used mostly by Japanese devs.

Meanwhile, the latter method of outside devs working on ports is more of a Western approach.