Budapest (v1.8.16)

Geth v1.8.16 is out regular maintenance release focusing on bugfixes:

• Fix RPC timeouts on WebSockets when using the ethclient package (#17549).
• Fix the ABI decoder for negative integers which previously overflown (#17583).
• Fix the Clique consensus regression that caused the Rinkeby split (#17620).
• Fix incorrect file permissions for the proof-of-concept Clef signer (#17652).
• Fix a light client deadlock causing the Rinkeby faucet hangs (#17705, #17727).
• Fix the evm state tester to support more prestate fields (#17685).
• Fix the ethash mining hashrate reporting regression (#17667).
• Fix nil-pointer panic when processing malicious ABIs (#17653).
• Fix a rare panic in the light client on shutdown (#17639).

Also on adding a few minor features:

• Miners will prefer their own blocks if all else is equal during fork choice (17656, 17715).
• Reduce les overhead via internal caching on the Rinkeby faucet (#17732).
• Double check account creation password after writing to disk (#17348).
• Support basic authentication for WebSockets through URLs (#17699).
• Polish confusing info logs for insta-mining dev chains (#17614).
• Add support for Clique based test chain generation (#17622).
• Add Constantinople ice-age delay implementation (#17675).
• Add Constantinople net gas store implementation (#17383).
• Add initial switches for EVM/EWASM extensions (#17687).
• Add block age fields to chain import logs (#17718).
• Bump the build servers to Go 1.11 (#17701).

For a full rundown of the changes please consult the Geth 1.8.16 release milestone.

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

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This release contains Swarm v0.3.4, which among many bugfixes features:

• Fixed ENS resolver bug (17483).
• Fixed bzz-immutable URLS (17602).
• Refactored and simplified Kademlia code (17641).
• Refactored chunk storage and synchronization (17659).
• Add passwords as access controlled entities (17598).

Swarm binaries are available on the Swarm download page.