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We’ve been quietly working on something that makes the entire Fuse network faster, more reliable, and better equipped for what’s coming next.
The Fuse node is being upgraded to the latest version of Nethermind (1.29.0 to 1.36.2): the software responsible for processing transactions and keeping the network in sync.. This is the biggest node upgrade Fuse has seen in a while, and the results are already looking great on Spark testnet.
Why it matters
Nethermind is one of the leading Ethereum execution clients, used across major networks. Fuse will benefit from improvements that the broader Ethereum ecosystem has been building toward:
- faster block processing
- lower resource usage
- new developer tooling out of the box.
- Bring fuse up in line with Fusaka eth fork
What’s new
- Faster everything: block processing is significantly quicker, RPC responses are snappier, and the node handles traffic more efficiently under load.
Under the hood: parallelised in-memory pruning no longer blocks the block processing thread, and new payload processing now averages under 20ms end-to-end. - Built-in monitoring dashboard: node operators now get a real-time interface to track sync status, logs, and network activity without any extra setup.
- Smarter disk management: New history pruning tools keep storage growth under control at runtime, reducing disk usage by around 30%. That makes it cheaper and simpler to run a node long-term.
- Better developer tools: including eth_simulate for multi-block transaction simulation, and Era1 import/export as groundwork for Ethereum’s long-term data management standards (EIP-4444).
- More stable under pressure: DB corruption now triggers a clean exit instead of a hard crash, memory regressions have been fixed, and numerous sync and RPC reliability improvements have landed across the release cycle.
Where things stand
The upgraded node is live on Spark testnet and syncing cleanly with state sync completed in under 2 hours. We’re monitoring performance before rolling it out to mainnet.
Validators will receive full upgrade instructions ahead of the mainnet rollout, including updated docs on the Fuse node repo and everything you need to make the transition smoothly.
More updates coming soon. Stay tuned. 🔥
