I got the #Emacs Calendar ICS file (https://emacslife.com/calendar/emacs-calendar.ics) to validate again. It needed unique UIDs (so I added the ctime) and VTIMEZONE entries (copied them over from the meetups that I syndicated in).
I got the #Emacs Calendar ICS file (https://emacslife.com/calendar/emacs-calendar.ics) to validate again. It needed unique UIDs (so I added the ctime) and VTIMEZONE entries (copied them over from the meetups that I syndicated in).