macos Sierra Fn key acts like a long press with delay
Are you using USB Overdrive? I went into the USB Overdrive settings, selected "Any keyboard, any application" and deselected the Enabled checkbox, and the problem seems to have disappeared
Are you using USB Overdrive? I went into the USB Overdrive settings, selected "Any keyboard, any application" and deselected the Enabled checkbox, and the problem seems to have disappeared