Download Latest Version nethermind-1.39.3-28cbe2a0-linux-arm64.zip (112.7 MB)
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nethermind-1.39.3-28cbe2a0-macos-arm64.zip.asc < 17 hours ago 833 Bytes
nethermind-1.39.3-28cbe2a0-windows-x64.zip < 17 hours ago 111.6 MB
nethermind-1.39.3-28cbe2a0-linux-arm64.zip < 17 hours ago 112.7 MB
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README.md 2026-08-03 1.3 kB
v1.39.3 source code.tar.gz 2026-08-03 16.9 MB
v1.39.3 source code.zip 2026-08-03 20.4 MB
Totals: 13 Items   602.0 MB 0

[!IMPORTANT] This is a mandatory update for all node operators. Please upgrade at your earliest convenience.

Release notes

A patch release on top of 1.39.2 with reliability and hardening fixes across block processing, networking, and request decoding. No consensus or database-format changes, so it's a drop-in upgrade from any 1.39.x version.

Overview

3 changes since 1.39.2:

  • Hardened ABI decoding against malformed input (#12588)
  • Fixed pooled-memory cleanup in block processing and networking (#12034)
  • Reduced allocations in EIP-6110 deposit-request decoding (#12185)

What's Changed

Full Changelog: https://github.com/NethermindEth/nethermind/compare/1.39.2...1.39.3

Build signatures

The packages are signed with the following OpenPGP key: AD12 7976 5093 C675 9CD8 A400 24A7 7461 6F1E 617E

Source: README.md, updated 2026-08-03