Release notes

⚠️ IMPORTANT

Since v1.21.0, the Nethermind executable has been renamed from Nethermind.Runner to nethermind.
Please update your setups accordingly, if any.

Major Highlights

• Memory management improvement
  • With few optimizations added to the client, we are observing now dropped and more stable memory usage in the client's lifetime.
  • Long-running mainnet validator nodes reported around 25% memory consumption reduction.
• Cancun preparation moving forward
  • Adjusting our code to hive test findings
  • TxPool refactor to work well with blob transactions
  • Library loading issue resolved for MacOs when building from source
• Holesky adjustments
  • After the Holesky launch, a few minor things were discovered - all of the problems were addressed, and now the Holesky experience should be better

Changelog

Cancun

• eip-7516: BLOBBASEFEE opcode added by @smartprogrammer93 in #6096
• Eip4788 : Update address and buffer size (Post audit) by @Demuirgos in #6098
• Partially validate block with unknown parent by @flcl42 in #6085
• Set head according to fcuState even when attributes are incorrect by @flcl42 in #6144
• Load ckzg properly by @flcl42 in #6159
• TxPool: refactoring for blob txs by @marcindsobczak in #5953

Performance improvements

• Perf/set malloc ops by @asdacap in #6110
• Perf/Malloc trimmer by @asdacap in #6111
• Perf/buffersize adjustment by @asdacap in #6122
• Perf/sorted batch by @asdacap in #6142
• Perf/improve writebatch parallelism by @asdacap in #6151
• Perf/Reduce number of files in DB. by @asdacap in #6165

Holesky

• Holesky FinalTotalDifficulty to be equal to genesis block's one by @flcl42 in #6190
• Fix eth_syncing in young chains by @emlautarom1 in #6181

Other changes

• Fix eth_getLogs filtering for empty addresses list by @emlautarom1 in #6094
• Ensure ChainId is always set in 2930 and 1559 txs by @emlautarom1 in #6061
• Remove HTTP log spam on default settings by @emlautarom1 in #6097
• Remove mining methods by @bitcoinbrisbane in #6106
• Don't override HealthCheckService log levels by @emlautarom1 in #6109
• Fix symlinks for macOS packages by @rubo in #6095
• Reject non-nullable aggregate types when deserializing method parameters by @emlautarom1 in #6104
• fix AggregateException being thrown instead of TimeoutException by @LukaszRozmej in #6123
• Fix typos by @AKABABA-ETH in #6137
• Support configurable ethstats update interval by @emlautarom1 in #6147
• Properly handle duplicates in accessList by @emlautarom1 in #6145
• Use TimeoutException on LoadGenesisBlock by @emlautarom1 in #6160
• Fix eth_syncing in young chains by @emlautarom1 in #6181
• Handle concurrent WebSockets messages by @emlautarom1 in #6210

New Contributors

• @AKABABA-ETH made their first contribution in #6137

Full Changelog: 1.21.1...1.22.0