There is a flatpak. It hasn’t technically come out, however there are thousands of players right now. Though most are in russia.
I would also recommended looking at the git repository to see how it’s going.
They might maintain it for a while, but their whole business model is built on the idea that they don’t have to develop a browser themselves. The longer they maintain v2, the more they have to patch the main chromium release. Eventually it will be enough development time that they’ll give it up. It’s a company and they’ll only do something as long as it’s profitable.
Wait, isn’t this the father of Megan Ellison, the owner of Annapurna Interactive? The woman who just made her entire team so mad they quit.