According to Logitech’s support page, the problem was caused by “an expired certificate” required for the apps to run.
An expired certificate has resulted in numerous Logitech peripherals losing full functionality in macOS. Here's how to remedy ...
LAUSANNE, Switzerland & NEWARK, Calif.--(BUSINESS WIRE)--Today Logitech (SIX: LOGN) (NASDAQ: LOGI) announced important new updates for CRAFT, the flagship keyboard with a Creative Input Dial, ...