ethereum/go-ethereum v1.17.9 on GitHub

This release enables the Amsterdam fork 🦩 on the Hoodi testnet at block timestamp 1793036568 (Mon, 26 Oct 2026 17:42:48 UTC).

It also contains changes to the EVM to improve the performance significantly.

This release is recommended for all users running their nodes on the Hoodi testnet.

Geth

Blsync now supports the Gloas beacon chain fork and had some bug fixes (#35956, #35385, #35957)
When running an archive node, you can now configure the transaction index history using --history.transactions flag. (#35907)

Amsterdam fork is set to activate at block timestamp 1793036568. (#35974)
EVM interpreter opcode dispatching became 16% faster due to a new inlined switch implementation. (#35638)
Several fixes for database corruption on power failure (#35939, #35936)
Bug fix in trie database related to concurrent state reading (#35978)
RPC call concurrent with block processing could result in BAL corruption. (#35905)
State history committing is moved to the background, making newPayload 2% faster. (#35949)
Key-value database settings changed for improved write performance (#35691)
Fixed log index under history pruning beyond the checkpoint (#35875)

Fixed snap/2 restart issue by checking for pivot block reorg in the header chain (#35930, #35982)
Added metrics to discovery listeners (#35673)
Fixed mempool corruption with tip below base fee (#35988)

eth_simulateV1 spec compliance fixes (#35841, #35842, #35953)
eth_call and similar methods will reject fields which are not aligned with forks
eth_fillTransaction always chooses AccessList transaction when accessList is provided by user. (#35969)
eth_newFilter now accepts earliest in toBlock. (#35933)
eth_sendTransaction rejects invalid yParity value in 7702 transactions. (#35761)
In debug_traceTransaction, debug_traceCall, omit storage on halted SLOAD/SSTORE steps. (#35961)
Pending block access was fixed on the Amsterdam fork transition block. (#35968)
Historical RPC calls will reject transaction features which have not yet activated. (#35914, #35928)

For a full rundown of the changes please consult the Geth 1.17.9 release milestone.

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