v2.2.2 (opens in a new tab)
Release notes. A patch release on top of 2.2.1 with the October 2026 out-of-band .NET security updates. See the Microsoft announcement for details of the fixed vulnerabilities.Nethermind release notes
Ethereum releases, writing, news and network upgrades
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A robust, high-performance execution client for Ethereum node operators.NethermindEth/nethermind on GitHub
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Items with a reason of their own, ranked by urgency, weight and how often the project publishesv2.2.1 (opens in a new tab)
[!IMPORTANT] Hoodi node operators must upgrade before Mon, 26 Oct 2026, 17:42:48 UTC. This release removes the Glamsterdam fork from Hoodi. A Hoodi node still on 2.2.0 will activate Glamsterdam at that time and fork off the network.Nethermind release notes
v2.2.0 (opens in a new tab)
Release notes. 586 merged pull requests since 2.1.0, from 31 contributors. [!IMPORTANT] Hoodi: Glamsterdam activates on Mon, 26 Oct 2026, 17:42:48 UTC (timestamp 1793036568, epoch 132352). Hoodi nodes must run 2.2.0 or later before then.Nethermind release notes
v2.1.0 (opens in a new tab)
Release notes. 359 merged pull requests since 2.0.0, from 29 contributors. [!IMPORTANT] Sepolia: Glamsterdam activated on Tue, 06 Oct 2026, 13:53:36 UTC. Sepolia nodes must run 2.1.0 or later.Nethermind release notes
v2.0.0 (opens in a new tab)
Release notes. 669 merged pull requests since 1.39.3, from 39 contributors. Nethermind 2.0.0 is a hardened, faster, archive-capable execution client, built for Ethereum, its L2s, and beyond. It consolidates everything shipped in 2.0.0-rc and 2.0.0-rc2.Nethermind release notes
v1.39.2 (opens in a new tab)
[!IMPORTANT] Given the number of CVEs from Microsoft this release fixes it is mandatory for all node operators. Release notes. This is a patch release on top of 1.39.1 that updates the .NET dependencies to Microsoft's July 2026 servicing release (10.0.10), whi…Nethermind release notes
v1.38.1 (opens in a new tab)
Release notes. This is a patch release focused on Optimism / OP Stack support. It adds the OP Karst fork, refreshes the Superchain registry chains, and removes the bundled Base mainnet and sepolia configurations.Nethermind release notes
The stream
Newest firstMon 26 October
v2.2.2 (opens in a new tab) · Nethermind Security
Thu 22 October
v2.2.1 (opens in a new tab) · Nethermind Recommended
Fri 16 October
v2.2.0 (opens in a new tab) · Nethermind Breaking
Thu 1 October
v2.1.0 (opens in a new tab) · Nethermind Breaking
Tue 22 September
v2.0.0 (opens in a new tab) · Nethermind Breaking
Thu 6 August
Tue 21 July
v1.39.2 (opens in a new tab) · Nethermind Security
Thu 16 July
Wed 8 July
Mon 15 June
v1.38.1 (opens in a new tab) · Nethermind Breaking
Tue 2 June
Tue 5 May
Tue 28 April
v1.37.1 (opens in a new tab) · Nethermind Breaking
Wed 25 March
v1.36.2 (opens in a new tab) · Nethermind Recommended
Fri 6 March
v1.36.1 (opens in a new tab) · Nethermind Recommended
Tue 13 January
v1.36.0 (opens in a new tab) · Nethermind Breaking
Fri, 19 December 2025
Fri, 12 December 2025
Wed, 10 December 2025
v1.35.4 (opens in a new tab) · Nethermind Recommended
Tue, 25 November 2025
v1.35.3 (opens in a new tab) · Nethermind Recommended
Thu, 6 November 2025
v1.35.2 (opens in a new tab) · Nethermind Recommended
Wed, 5 November 2025
v1.35.1 (opens in a new tab) · Nethermind Recommended
Mon, 20 October 2025
v1.35.0 (opens in a new tab) · Nethermind Recommended
Mon, 6 October 2025
Thu, 25 September 2025
Thu, 4 September 2025
Mon, 1 September 2025
Thu, 31 July 2025
Mon, 21 July 2025
v1.32.3 (opens in a new tab) · Nethermind Recommended
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Release candidates
Versions the projects put out for testing, carrying the changes the release will bringzkVM guests v2.3.0-preview (opens in a new tab) · Nethermind zkvm-guests-2.3.0-preview+3
zkVM guests v2.3.0-preview (opens in a new tab) · Nethermind zkvm-guests-2.3.0-preview+2
zkVM guests v2.3.0-preview (opens in a new tab) · Nethermind zkvm-guests-2.3.0-preview+1
zkVM guests v2.2.0-preview (opens in a new tab) · Nethermind zkvm-guests-2.2.0-preview+1
v2.0.0-rc2 (opens in a new tab) · Nethermind Breaking
v1.37.0-alpha (opens in a new tab) · Nethermind Breaking