By default, the key emits a hitherto unused scancode, 0x6E. Windows maps this to something like `Left Shift+Super+F23', and then allows the user to define a suitable shortcut. For reasons I don't understand, remapping this combo is unreliable in Linux. So the newer kernels emit a plain F23 code, which can be easily remapped. For an older keyboard with no Copilot key, this is all a non-issue. (There are relatively few keyboards nowadays with physical F13 thru F24 keys, though once upon a time they weren't uncommon, so F23 is a suitable choice here.)
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