Cannot use rudder to arm APM

ArduPlane Plane 3.4
1

On an APM (8-bit) with ArduPlane V3.4.0 (c1fc5a44)

Using rudder to arm the plane does not work. There are no error messages, and arming disarming works without issues from Mission Planner. I have a Pixhawk with V3.5.3 and it works as it should

APM arming parameters.

ARMING_CHECK,70
ARMING_REQUIRE,1
ARMING_RUDDER,2

One thing I noticed is that parameter BRD_SAFETYENABLE does not exist, but on the git changelog it says it was added in V3.0

Thank you!

2

Disregard.
I didn’t noticed that the udder trim was all the other way to where it suppose to arm.

I am still curious of why parameter BRD_SAFETYENABLE is not part of V3.4