To be specific it has almost the whole ARMv6 subset implemented, aside from some instructions that require ARM privileged mode to run and optional hint instructions like WFI, WFE, and YIELD (it's sufficient to just treat these three as NOPs).
if they get permission from 4j (the studio who helped put minecraft on consoles), they could put the console edition tutorial worlds in the game, as seeds
and i mean all of them (if not, maybe a few highlights, like TU1, TU31, and TU69)