Local Position Setpoint not Logged Continously

I use FMUv4 firmware v 1.11.0 for this test, when I open the log file, it seems that the local position setpoint is not logged continuously, here is the log file:

In opposite, when I use FMUv2, using old firmware (v 1.6.5), the local position setpoint seems to be logged continuously, here is the log file:

Is it common in the latest firmware or hardware?

Thanks