The GNOME Shell Calendar Will Stop Over-Consuming The CPU, Eating Up Battery Life

For the past five months there has been a bug report affecting the likes of Pop OS 19.10 and Fedora 31 over the GNOME Shell Calendar server using "20~25% CPU all the time" and "every 2-3 seconds or so there is a CPU usage spike where the calendar processes eat something like 20-25% of the CPU." That is significant on modern CPUs as well as on battery life for laptops while finally the issue has been fixed...