That's a fair point. Frustrating none the less. The lens previously worked. For example, it works like a dream on my old 200D. Seems a shame to make a brilliant lens redundant when no doubt a firmware update could fix it. The lens I have is a manual ...
Just to add to this thread... I have a Canon R6 Mk2. I've fitted the samyang 14mm EF lens to the canon RF/EF adapter. The camera does register and displays an image but the shutter button won't snap a photo (just does nothing when pressed). Very anno...