Copter building log about latest soruce from Github

Hello, I’m interested in Drone, Copter.
When I tried build latest source from Github.
I checked below the building log, Why did the log recorded?
We look forward temphasized texto hearing from experts.



MAV_CMD_SCRIPTING
Note: message DATA64 is longer than 64 bytes long (74 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.
Note: message DATA96 is longer than 64 bytes long (106 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.

Note: message DEVICE_OP_WRITE is longer than 64 bytes long (187 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.
Validation skipped for /cygdrive/d/01_Dron/20_Ardupilot/01_FW_Ardu/ardupilot/modules/mavlink/message_definitions/v1.0/common.xml.
Parsing /cygdrive/d/01_Dron/20_Ardupilot/01_FW_Ardu/ardupilot/modules/mavlink/message_definitions/v1.0/common.xml
MAV_CMD

MAV_CMD_ACK_ERR_Z_ALT_OUT_OF_RANGE
Note: message GPS_STATUS is longer than 64 bytes long (109 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.
Note: message ATTITUDE_QUATERNION_COV is longer than 64 bytes long (80 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.

Note: message HOME_POSITION is longer than 64 bytes long (68 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.
Note: message SET_HOME_POSITION is longer than 64 bytes long (69 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.Setup for MCU STM32F427xx
Writing hwdef setup in /cygdrive/d/01_Dron/20_Ardupilot/01_FW_Ardu/ardupilot/build/fmuv3/hwdef.h
Writing DMA map
Generating ldscript.ld
No default parameter file found

Note: message V2_EXTENSION is longer than 64 bytes long (262 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.
Note: message PLAY_TUNE is longer than 64 bytes long (240 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.

Note: message WHEEL_DISTANCE is longer than 64 bytes long (145 bytes), which can cause fragmentation since many radio modems use 64 bytes as maximum air transfer unit.
Validation skipped for /cygdrive/d/01_Dron/20_Ardupilot/01_FW_Ardu/ardupilot/modules/mavlink/message_definitions/v1.0/uAvionix.xml.
Parsing /cygdrive/d/01_Dron/20_Ardupilot/01_FW_Ardu/ardupilot/modules/mavlink/message_definitions/v1.0/uAvionix.xml
Validation skipped for /cygdrive/d/01_Dron/20_Ardupilot/01_FW_Ardu/ardupilot/modules/mavlink/message_definitions/v1.0/icarous.xml.
Parsing /cygdrive/d/01_Dron/20_Ardupilot/01_FW_Ardu/ardupilot/modules/mavlink/message_definitions/v1.0/icarous.xml
Merged enum MAV_CMD

Thank you.

This is some dumb warning from the Mavlink library.
Even the Sik radios has larger than 64byte packet length.