December 11, 2019 Ethereum completes Istanbul hardfork and other Q4 governance updates.

The hardfork includes six EIPs, including changes intended to increase DDoS resilience, improve interoperability, and address gas costs. Q4 has also seen several events indicative of project governance activity: 0x v.3 went live in December, adding a new ZRX staking mechanism intended to give 0x market makers ownership in the protocol; Monero forked to the RandomX mining algorithm; the Aragon Court, a dispute resolution protocol, deployed to the Ethereum mainnet late November; Z-cash reached a trademark agreement; MakerDAO ratified multi-collateral DAI; DigixDAO proposed a DAO dissolution mechanism