Please read this : http://www.html5gamedevs.com/forum/33-phaser-3/
and this : https://phaser.discourse.group/t/welcome-to-the-new-phaser-forum/15
Rich is the owner of the current forum hosting, the BJS forum is simply a share in this hosting. The Phaser community will leave to Disclosure within weeks or months and the current Phaser forum will slowly die...in terms of community activity. It will still exist for archive/history reasons.
Then Rich will have no more reason to maintain, animate (nor pay) for HGdev hosting, no more reason than archive/history necessity.
I know we all love our current forum. It's not just a tool. The forum is our community cement ! it's our bar, pub, club house, what you prefer... it's the place where we love to talk about BJS, to make jokes, to show nice demos and to help others. It's a meeting place and a small part of humanity in this vast virtual space that Internet is.
We all are conservative, we all love our logos, emoticones, pages, links, buttons, tiny red notifications, etc. Well, our habits. Because they help us to feel confortable. Hell, it's our home, here !
But the reality is that this home will certainly disappear due to the Phaser community choices. We were depending on them since the begining and fortunately they accepted to invite us and to host us when BJS was just a tiny thing with no fame. So, many thanks to them. Maybe it's time now that we grew up to fly with our own wings and to leave this crumbling house to get a better one.