Ethereum developers have announced key deadlines following the 223rd Ethereum Executive Core Developers Meeting. The deadline for submitting EIP proposals for the Glamsterdam upgrade is set for October 30, with the final scope of code changes to be confirmed by November 27. The Ethereum Cat Herders will hold public office hours on October 28 to assist EIP authors. The Fusaka mainnet upgrade is scheduled for December 3, 2025, with further optimizations planned for December 9 and January 7, 2026. All Execution Layer client teams, including Geth and Nethermind, have confirmed the timeline. The Hoodi testnet will activate the Fusaka version on October 28, marking the final test before the mainnet launch. Key technical discussions included proposals to improve gas unit accuracy and reduce state bloat. EIP 7667 and EIP 6873, related to the Verkle data structure, have been removed from the roadmap. The core goal is to finalize the technical scope of Glamsterdam by the end of November.