Geth v1.14.6 is a maintenance release, but it does ship with the experimental witness building validation code used in @karalabe's "cross validation" proposal. Note that the engine API part is not included in this release.

Shipped features:

• Add stateless witness builder and (self-)cross validator (#29719, #29807, #29970, #30024)
• Set a 2KB hard limit for p2p handshake messages (#30029)
• Improved display of database statistics (#29948)

Shipped bugfixes:

• Fix issue in which the beacon root contract balance would not be saved in developer mode, causing an error on restart (#29963)
• Fix shutdown crash when geth runs in blsync mode (#29946)
• Fix data races in snapshot access (#30001, #30011)
• Fix out of bounds access in json unmarshalling (#30014)
• Add missing lock in peer discovery (#29960)

For a full rundown of the changes please consult the Geth 1.14.6 release milestone.

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.