Update has been released (no need for you to update anything, it’s server-sided).
Just in case: “Cd x A” refers to the wind resistance that each of us has: tall/wide(heavy) riders will now have more wind resistance than short/narrow(light) riders.
Someone “average” (let’s say 1m75/70kg) is not going to see a difference with the previous model (that was about the size used).
The more “atypical” your build is, and the faster you go, the more you’ll feel the difference (e.g : gain for small ones downhill 
, lose for tall ones downhill 
)