I'm struggling to invite friends my kid's birthday so that last-minute changes are reflected. No MUA is clear how they even parse ICS or "text/calendar" URLs.

I'm struggling to invite friends my kid's birthday so that last-minute changes are reflected. No MUA is clear how they even parse ICS or "text/calendar" URLs. https://twitter.com/kaihendry/status/1167634464110825473 https://twitter.com/kaihendry/status/1167634464110825473 This should be a standard!