Kind of just sitting in a holding pattern until WordPress.org sorts stuff out. Meanwhile, I've been keeping it up to date/feature parity with the XenForo version so it should be ready as soon as WordPress.org finally okays it.
To give an example, this what WordPress looks like speed-wide with the guest page caching system enabled (it's silly fast):
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I've been tossing around the idea of releasing it outside of wordpress.org because it's just taking too long, but haven't decided yet...