I also would love to see this happen. For me personally I would live to see at as a standalone app similar to Proton Calendar and Tuta calendar so whilst I use it with Thunderbirds email intergration I can also recommend it to my other friends as jus...
I would also love to see this feature! As i believe it would be much better then the current alternatives which appear to mainly be Tuta Calendar and Proton Calendar according to places like the PrivacyGuides website which literally just shows Proton...
