Jonas Gehrlein (Parity) has posted an update on the progress of variable unbonding time for staked DOT (RFC-0097).
The implementation has been taken over by Blockdeep Labs, and is expected to be ready for audits by the end of May.
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.