Waze speed bounces plus or minus 3 mph about every second in CarPlay. This is inaccurate and causes problems with automatic map zooming. When speed is not displayed the map zoom is stable and smooth. Speed display is not useable in CarPlay therefore speed limits cannot be displayed.

when in car-play, let the iPhone screen display the speed dial/speed limits on the phone screen. Perhaps as a third option besides the directions screen and the warnings screen or on the bottom half of the screen below the directions. With a phone cradled close to the steering wheel this makes for a much better Place to have the speed signs imho.

This isn't just on the Mazda.
I would like this feature too.
What's worse is once Carplay starts, you can't even get the GPS speed to show on the phone as the map screen isn't available on the car screen and the phone screen.

would also like to have the speed in CarPlay view !!!!

Too have Speedometer shown on waze Apple Carplay map to provide a more accurate speed than the car Speedometer which usually over reads and sometimes by several mph

Display actual gps speed in carplay screen mph/kmh
Vis km/t i display i bilen, så man kan checke sit speedometer.