Ethereum developers have confirmed the Fusaka upgrade launch schedule, set to go live on the mainnet on December 3, 2025, following a series of testnet deployments. Analyst Christine Kim shared the update after the weekly All Core Developers Consensus (ACDC) call #165. Important decisions were made during the call, including the public testnet launch and the BPO hard fork schedule. According to the plan, the Fusaka rollout will proceed as follows: