Release notes

⚠️

This release is a mandatory upgrade for all nodes operating on the Ethereum Mainnet and Gnosis.
Please update your node to this version to ensure correct node functionality.

Major highlights

Mainnet Dencun hard fork

The Mainnet Dencun hard fork is scheduled on Mar 13, 2024 at 13:55:35 UTC (epoch 269568)

Gnosis Dencun hard fork

The Gnosis Dencun hard fork is scheduled on Mar 11, 2024 at 18:30:20 UTC (slot 14237696)

PPA package

The PPA package has been revised, including the version and installers. Since the version has been fixed to be 1.25.4 instead of 1.2540, installing the latest version requires the manual removal of the previous one as follows:

# ⚠️ If your data directory is in the default location of /usr/share/nethermind, back it up before the package removal.

sudo apt-get purge -y nethermind
sudo apt-get update

Changelog

Cancun

• Add Cancun hard-fork settings for Gnosis by @rubo in #6709
• Cancun spec and config for mainnet by @smartprogrammer93 in #6679
• Compact blobs db for disk savings by @flcl42 in #6595
• Make sure that blob pool do not exceed maximum value set by @benaadams in #6702

Optimism

• Add temporary solution for pre-bedrock tx decoding by adding AncientBarriers by @deffrian in #6620

Bugfixes and new features

• Reduce amount of hanging sockets with TIME_WAIT status by @benaadams in #6594
• Fix ParityTraceActionConverter to output init on create by @LukaszRozmej in #6606
• Fix TraceStore plugin by @LukaszRozmej in #6609
• Return BlockForRpc from debug_getBadBlocks by @flcl42 in #6612
• Revise PPA packaging by @rubo in #6618
• Improve memory management and reduce traffic while serving data to other peers by @benaadams in #6636
• Add debug_getBadBlocks support by @kjazgar and @Marchhill in #3838
• Add Metrics.ExposeHost option so a hostname other than "0.0.0.0" can be exposed by @tgerring in #6528

  ⚠️
  For now we decided to keep default behavior so ExposeHost will default to "+" which means "0.0.0.0" but in the future we are going to change default of that flag to "127.0.0.1" to reduce risk of remote access to metrics.

Full Changelog: 1.25.3...1.25.4