Oh yeah one of many! Its been a long time since I bothered to keep up on these things (20 years since I was a church goer). But IIRC that was one of the most recent splinters. You’ll have to forgive me as I’ve had a few beers, so its hard for me to parse the linked article. But it sounds (especially given the detail you’ve added) that this was the exodus of more conservative, Anglican aligned churches away from the more liberal Episcopal Church in the US. The mostly more liberal Episcopal churches in (mostly) the US still maintain their loose connection to the Anglican Church overall. And these sorts of things tend to be movements way from both over the pride parade that is the only church I still have respect for. To be short, if this is what I’m thinking of, these congregations have voted Nader. They’ve left both the Episcopal church for doing the evil. And the Anglican church for not hating that enough.
Sorry if beer has lead me to misinterpret that all. But what I was referring to was the inevitable total bifurcation between the Liberal, American, Episcopal Church in totality and any remaining Anglican bodies (whether official or otherwise). I might be an Atheist, but I still very much look forward to that happening.