Fantastical 3.8.20 and Cardhop 2.2.19

Originally published at: Fantastical 3.8.20 and Cardhop 2.2.19 - TidBITS

Brings new RSVP features to the Fantastical calendar app. ($56.99 annual subscription, free update, 67.5/30.2 MB, macOS 11+)