I call myself a trailing edge builder. I'm running a Octo with A2, Zunmuse 15-5D mkii camera setup. The on-line update (1.4 ) for the Z15-5D MKii is labeled the same as the GH3. The GH3 has the 1.8 IMU and 3.0 GCU. The rev notes for the 5D indicates the IMU 1.8 and the GCU 2.4, but when...