Lorenzo Colitti (main driver of not including #DHCPv6 on #Android) has now proposed a compromise for all big networks who want to use DHCPv6 to assign #IPv6 addresses:

Prefix Delegation with /64 via flag in the PIO:
datatracker.ietf.org/meeting/1…

Accountability ✅
SLAAC ✅

This looks like a solid compromise to me for huge networks. It does require at least a /48 per site to support 65k devices but additionally solves other issues as well (NDP cache ex. attack)

Android will get a DHCPv6 client.