Lucky Leprechaun (v1.9.1)

Geth v1.9.1 is a small biweekly maintenance release. For all the major new features in the 1.9 family, please see our blog post from two weeks ago.

• Add eth_getHeaderByNumber and eth_getHeaderByHash to get headers without bodies (#19669).
• Update the go-ethereum list of authors to July 22nd state, bringing up the count to 367 (#19873).
• Switch out the websocket library, adding support for pings and continuation frames (#19866).
• Implement a 1/288th grace period for the faucet to avoid request drift (5m for 24h) (#18105).
• Add debug_accountRange to query all or part of the accounts at a given root (#17438).
• Fix a crash in the transaction pool caused by the 1.9.0 internal rework (#19835).
• Fix a crash in geth dumpconfig caused by the release oracle fields (#19825).
• Fix the reported derivation paths of hardware wallet accounts in Clef (#19827).
• Fix geth --dev thinking it's mainnet and requesting 4GB memory (#19875).
• Fix debug_chaindbProperty, which returns an internal error (#19856).
• Fix build script on OpenBSD (#17966).

For a full rundown of the changes please consult the Geth 1.9.1 release milestone.

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

• Pre-built binaries for all platforms on our downloads page.
• Docker images published under ethereum/client-go.
• Ubuntu packages in our Launchpad PPA repository.
• OSX packages in our Homebrew Tap repository.