On the Hoodi testnet at slot 1453184 Nethermind failed and participation on the network dropped from the high 90% level to the mid 80% level.
Nethermind quickly identified the root cause and released a fixed client version which requires a resync for those that experienced the issue.
Follow Nethermind in Discord and announcements on fixed client versions and steps to implement.
06 Oct 2025 15:18 UTC
All operators should install the update, even if on mainnet. After updating the client, a resync is only necessary if you experienced the error.
06 Oct 2025 13:40 UTC
Nethermind releases an update that fixes the issue, which requires a resync after updating:
https://github.com/NethermindEth/nethermind/releases/tag/1.34.1
06 Oct 2025 7:40 UTC