Paradox reports that a rogue validator with the address 1ZHNWmKsVHCS528yKDteRPpnx5hTrGUZvyjEpvaWppKDiPt has set its commission rate to 100%, gaining itself payouts of over 500 DOT per era, and leaving very little reward for pools and nominators.
At Protocol Berg on June 12th, Bastian Köcher (Parity) presented an overview of CorePlay, described as an actor-like framework for blockchains built on top of JAM.