https://forums.garmin.com/outdoor-recreation/outdoor-recreation/f/marq-gen-2/412368/marq-gen-2-system-software-21-19
and https://forums.garmin.com/beta-program/fenix-7-series/f/announcements/412280/beta-version-21-19---now-available-ota-over-the-air-for-all-models
give different info about latest update.
So, any change to get ECG in marq2?
No change - the MARQ (Gen 2) is not capable of supporting ECG. It's a hardware limitation.
Sorry.
HTH
