Nordic Semiconductor thoughtfully included a version field in their linktype. Versions 2 and 3 exist, and they provided support for dissecting them in Wireshark, but did not update the link type description here.
https://gitlab.com/wireshark/wireshark/-/commit/f5622e81eb66cfb767ee900d8a896b6e091b8501
https://gitlab.com/wireshark/wireshark/-/blob/master/epan/dissectors/packet-nordic_ble.c