It took me a long time to figure this out so I hope this helps someone like me. This might not apply to the original post, but hopefully for someone else.
I'm not sure about other devices, but my Strafe firmware was outdated. Go onto Bootcamp or maybe someone else's Windows, connect it and open ICUE. In settings, you can update a keyboard firmware . I know the original post said he checked the firmware version, but I was mistaken with the Software Version. Make sure the Firmware Version is up to date.
To be exact, I was at a point where it was not detected in Mac, but worked fine on Windows. Everyone's case is different but I would start from making sure with the Firmware Version (and the latest ICUE software).
Hopefully this will save time for someone like me. I reached out to Corsair Support and they were so slow and helpless to be honest.
