If passed, Polkadot Referendum 1546 and Kusama Referendum 519 will enact runtime release 1.5.0.
Notably, this release will fully deploy Elastic Scaling on the Relay Chains, completing the implementation of Polkadot 2.0.
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.