FR645 and others since fw 7.20: major issues with custom fonts

ConnectIQ apps, watchfaces, widgets with custom fonts are failing and showing the IQ! symbol. See these topics for more information:

https://forums.garmin.com/developer/connect-iq/f/discussion/324531/major-issues-with-custom-fonts-after-latest-device-fw-updates

https://forums.garmin.com/developer/connect-iq/f/discussion/324099/forerunner-645-firmware-7-20-errors

https://forums.garmin.com/sports-fitness/running-multisport/f/forerunner-645-645-m/324599/iq-watch-face-broke-after-7-20-update/1574757#1574757

I'm seeing many reports of unhappy users with failing watchfaces. Please fix this as soon as possible Garmin.