Outage in Alchemy

Arbitrum Sepolia safe/finalized head stalled

Resolved Minor
October 14, 2025 - Started 3 days ago - Lasted about 22 hours
Official incident page

Incident Report

The Arbitrum Sepolia chain’s finalized and safe heads are currently stalled due to a broken binary release following the Fusaka upgrade. This issue is affecting all providers chain-wide.
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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 10/15/2025 07:00AM

The Arbitrum team implemented the necessary fixes, and the incident has been resolved.

INVESTIGATING 3 days ago - at 10/14/2025 09:17AM

The Arbitrum Sepolia chain’s finalized and safe heads are currently stalled due to a broken binary release following the Fusaka upgrade. This issue is affecting all providers chain-wide.

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