Once again: I don't think the current Taycan hardware supports this. They have to move to the architecture that debuts with the ID.3 for full OTA capability.
I don't think they can. One reason that VW Group did a complete redesign of the ID.3's computing architecture was that the previous one was simply incapable of a full OTA update. It consisted of literally hundreds of specialized controllers that might not even be connected to the in-car network...