Shoutingstone (v1.8.17)

Geth v1.8.17 is our regular maintenance release, which among numerous bugfixes also features the full Constantinople feature set and enables it on the Ropsten testnet at block #4230000.

• Update the chain indexer to react only to head events opposed to all blocks (#17826).
• Deprecate building with Go 1.9 and update builders to Go 1.11.1 (#17807, #17820).
• Expose the enode URL of a peer through the admin.peers endpoint (#17838).
• Optimize CREATE and CREATE2 to do a bit less Keccak256 hashing (#17806).
• Optimize the SHA3 opcode to do fewer allocs, reaching 2x speed (#17863).
• Implement a lower bound on block propagation targets to 4 peers (#17725).
• Drop the goimports dependency for running abigen (#17768.
• Extend abigen to support piping solc output into it (#17648).
• Use hex addresses in EVM assembly dumps (#17870).

Notable bugfixes:

• Fix an annoying 2-3 minute hang when completing initial fast sync (#17825).
• Fix the infamous invalid hash chain error during initial sync (#17839).
• Fix flag parsing to allow archive nodes serving light clients (#17803).
• Fix a puppeth regression causing invalid enode errors (#17802).

For a full rundown of the changes please consult the Geth 1.8.17 release milestone.

Geth binaries and mobile libraries are available on the Geth download page.

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This release contains Swarm v0.3.5, which among many bugfixes features:

• Swarm Feeds (previously knowns as MRU): Adaptive frequency / Predictable lookups (17559, 17796).
• Introduced named database schemas and migrations (17813).
• Add stream peer servers limit (17747).
• Fixed DoS attack with invalid OfferedHashes message length (17734).
• Fixed panic on ARMl6 arch (64bit struct alignment) (17766).

Swarm binaries are available on the Swarm download page.