As of tor version 0.4.6, onion v2 addresses are no longer supported. Unfortunately, the only onion full node addresses I can find (e.g. the seed nodes listed by BCHN here), are all onion v2 addresses.
Bitcoin Core seems to have updated their list of seed nodes to include onion v3 addresses.
Does anyone have a list of onion v3 addresses that are running BCH full nodes? If so, please share them here!