Ethereum’s Fusaka Upgrade Set for December

[johnblockbuster]

Ethereum devs locked in the Fusaka upgrade timeline:

Mainnet launch: Dec. 3, 2025

Blob capacity increase: Dec. 17, 2025

Second blob expansion: Jan. 7, 2026

Blobs = cheaper & more efficient data handling for L2s.
Ethereum is scaling step by step → making transactions faster and less expensive.

[Nahid Hossen]

Blob capacity increase: Dec. 17, 2025

Second blob expansion.

[Rimon Khan]

Second blob expansion: Jan. 7, 2026