Speed waypoint not being respected

I just flew a mission with a speed change command (178). I can see the change speed be executed through the CMD entries in the log file but it does not seem to have any effect. The mission executes fine otherwise.

log file here:

https://drive.google.com/file/d/1brvRVuLQSIwLEOtm7hjXWq33V6U5ZGwA/view?usp=sharing

Seems similar to this issue: