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Leather Wrapping (v1.16.6) source code.tar.gz 2025-11-03 21.9 MB
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This release enables the Fusaka hardfork on Ethereum mainnet. The fork is scheduled to occur at 2025-12-03 21:49:11 UTC. Please upgrade your node in time.

This release also enables the BPO1 and BPO2 forks for mainnet at 2025-12-09 and 2026-01-07 respectively.

Fusaka

  • Set mainnet timestamps for Osaka (#33063)
  • Enable Fusaka for geth --dev mode (#32917)

RPC

  • Add eth_sendRawTransactionSync which waits until either a timeout or the transaction is mined. This feature is mostly useful on L2s with lower blocktimes. (#32830, #32930, #32929)
  • Add support for eth_simulateV1 in ethclient (#32856)
  • Fix for an issue that might crash debug_traceCall (#33015)
  • Fix for an issuer where local transactions were not persisted to the journal (#32921)

Core

  • Add geth --genesis flag as an alternative to running geth init genesis.json (#32844)
  • Fix for receipt insertion during ERA file import. (#32934)
  • Work on getting the trie node history in order to serve historical eth_getProof request with the new path-based archive node. (#32907, #32914, #32937)
  • Further work on cmd/keeper, our guest program for zkVMs (#32816)
  • Various optimizations (#32971, #32916, #32965, #32946)

Networking

  • New metrics for tracking slow peers (#32964)
  • Fix for an issue where disconnected peers were not removed in txFetcher (#32947)

For a full rundown of the changes please consult the Geth 1.16.6 release milestone.

As with all our previous releases, you can find the:

Source: README.md, updated 2025-11-03