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It was a part of performance interiors only for most of that time - only disappearing from the ordering webpage a couple months ago when they did the AP included changes.
It wasn't entirely clear whether performance cars would get them or not - and one early Project Raven delivery has them, though most of them don't seem to.
Was shown and told in showroom that ventilated seats were available on black and white interiors, but not cream... iirc. Probably would've gone with cream interior all being the same, but small gripe, really.