Felica chips were made by Panasonic, but Panasonic sold their semiconductor division to Nuvoton in 2020. So perhaps Nuvoton changed something. General news tend

Felica chips were made by Panasonic, but Panasonic sold their semiconductor division to Nuvoton in 2020. So perhaps Nuvoton changed something. General news tends to say that it's "semiconductor shortage", as if there's only one "semiconductor".