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@gbj_tester
I'm sure the work is going on, but if you look at any of Ergo/STI/Doubletap levers in detail, the bodies are already pretty full. Squeezing a master cylinder and reservoir in there too doesn't look possible without changing the grip shape. Di2 should be relatively easy, and probably makes even more sense on a cross bike as you can have satellite shift buttons to allow gear changing from the tops.