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edscoble-
This suggests it is so, which would also scupper my plans to use 4700 with a MTB/non-dyn-sys rear mech, unless the new road pull ratio also happens to be the same as dyn-sys now, but that seems like it would be far too much of a happy coincidence.
edit: a bit more poking around suggests that 4700 does indeed have the same cable pull as 5800, meaning it's not suitable for MTB component hybrid setups.
Polygon
Riddle me this: if you take one 4700 group and swap out the shifters, chain and cassette for 5800, does that an 11sp groupset make?