Ethereum Fusaka hard fork set for late 2025

Ethereum’s Fusaka hard fork is expected in late 2025, and Ethereum core developer Tim Beiko has ruled out the inclusion of the controversial EVM Object Format (EOF) upgrade.

Update (April 28, 10:26 pm UTC): This article has been updated to add commentary from Tim Beiko that the EOF upgrade was removed from the Fusaka upgrade.

Ethereum’s Fusaka hard fork is expected to take place in the third or fourth quarter of this year, according to an Ethereum Foundation official.

In an April 28 X post, Ethereum Foundation co-executive director Tomasz Kajetan Stańczak said that the organization is aiming to deploy the Fusaka Ethereum network upgrade in Q3 or Q4 2025. Still, the exact rollout schedule has not been decided yet.

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