I was planning on buying a Nitrokey Storage soon-ish (with no prior personal experience with Nitrokeys so far) and I was asking myself given this news, whether this upgrade will come to other Nitrokeys eventually by means of a firmware updates, or if this is only possible for Nitrokey Start right now, given a difference in the used underlying hardware components. If the hardware is in fact too different that a simple firmware update cannot bring this feature to other Nitrokeys, will there be new versions of the other keys, that include multiple PGP keys anytime soon?