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Right so I had rushed to assume that they'd changed the latent information flow, otherwise I'd be surprised if it was just weight tying or adaptive loop count that spawned some leak about CoT becoming unmonitorable.
Imo Jakub has specifically not ruled out this kind of thing, late latents passed forward for earlier reads, that happens naturally for a bunch of the looped transformer variants, including the one Noosphere links.
In worlds where it is on the benign side of looping (and CoT difficulties/changes are attributed to elsewhere) I hope they make it clear. Currently still stuck in my "this is Bayesian evidence for fuckery" interpretation.