Version 3.0.0 issues with serial communications: YES !
I have a EFIS-D100, Garmin 530, Garmin 250 XL and a Navaid autopilot.
I was running version 1.8 prior to this update, (144 hours of flight time on the efis) no issues.
The D-100 receives serial data over pin 22 via a spst switch to...