TL;DR in this announcement seems to match: more control over rewards/yield (both in entitlement _to_it, and in the ability to customize the portfolio that generates it).
[ my public key: https://keybase.io/krrishd; my proof: https://keybase.io/krrishd/sigs/BnqnMzUAaGiBIIVEeDyIZ5uOhuk366T_rEsL0tjp4ac ]