Logitech Blames 'Inexcusable Mistake' After Certificate Expiry Breaks macOS Apps

Logitech Blames 'Inexcusable Mistake' After Certificate Expiry Breaks macOS Apps

Logitech Blames "Inexcusable Mistake" for Widespread macOS App Outage Thousands of Mac users lost access to their Logitech mouse and keyboard customizations this week after the tech giant let a critical security certificate expire—effectively bricking its Logi Options+ and G HUB apps on macOS. The outage, which began Tuesday, January 6, 2026, left professionals relying on high-end peripherals like the MX Master 3S and MX Keys stranded with default settings and no way to remap buttons or adjust gestures. Within hours, forums and social media lit up with frustration, and Logitech soon issued a public apology, calling the lapse an “inexcusable mistake.” Credit: Google What Happened to Logitech’s macOS Apps? The root cause? An expired Developer ID certificate—the digital credential Apple requires to verify that software comes from a trusted source. Without it, macOS automatically blocks apps from launching to protect user security. In Logitech’s case, both Logi Options+ (for product…