- [GH 2323] Improve raft stability by making peer communication timeouts configurable - [GH 2650] Improve error messages when the etcdctl cluster-health command cannot gather cluster health - [GH 2877] etcd can now recover after bootstrap related errors - [GH 2884] Improve performance under high load by reusing network connections when running in proxy mode - [GH 2902] etcd no longer sends invalid requests to the active etcd cluster members when running in proxy mode. - [GH 2916] The etcd build script now works outside of a git repository, but the version info in the resulting binary will not contain a valid Git SHA. - [GH 2947] The -advertise-client-urls flag is no longer required when running in proxy mode