It doesn’t matter the last update was mostly focused on HEOS functionality so you will be good either way really. If you wait to update until after you do the setup and run Audyeesy. Do a system backup to a thumb drive before the update. If it were me I would do the update first just to get it out of the way and Less to think about while accomplishing the setup. JMHOI’m finally making time to setup my 8500HA tomorrow with external amps for all channels. Any reason why I wouldn’t run a firmware upgrade first before messing with anything or should it not matter? I know I need to set the Denon to preamplifier mode. It will be a 15 channel setup allowing the Denon to choose speakers based on source.