For the Q1/ Q2/ Q3/ Q4/ Q5, why can't I use Capslock to change the input language source on the Mac? Zoe March 02, 2023 02:52 Updated It is related to the NKRO issue, we have released new firmware that solved this issue. You can click on this link to go to the latest firmware. Related articles How to Factory Reset or Flash Firmware for Your Keychron Q3 keyboard? What are the knob cap measurements for Q2? What color can you switch between in the RGB backlight version? I saw the latest firmware on your website and want to update my keyboard, but I can't update the firmware on my Mac. How thick is the Q3 PCB?