I really hope they've improved their switches for the left and right mouse buttons. After burning through two Performance MX mice, then two G700s mice, and all four of them got the double left click ...
An expired certificate has resulted in numerous Logitech peripherals losing full functionality in macOS. Here's how to remedy ...
Is this a laptop? Does the track pad exhibit the same behavior? It's possible both mice you tried are bad, at least that would be my guess. I saw an Apple discussion thread that mentioned "Logitech ...