> I think they might have stopped doing it around the time they released the wireless versions with the Lightning port. According to some unattributed blurbs o

> I think they might have stopped doing it around the time they released the wireless versions with the Lightning port. According to some unattributed blurbs on Wikipedia, the "alt" sublegend would have disappeared in 2017, when the first-generation "Magic Keyboard with Numeric Keypad" replaced the full-sized "Apple Keyboard" in the image you linked to. The first compact "Magic Keyboard" had "alt" when it was introduced in 2015, as can be seen in reviews on the web from that year. But ... Those are the US-English variants. There are also many keyboards with other regional layouts and those have sometimes had slightly different legends on modifier keys.