This release uses a new Raft consensus version, with the move to Hashicorp Raft v1. As a result **the Raft system in 5.0 is not compatible with the 4.0 series**. To upgrade from an earlier version to this release you should backup your 4.0 leader node, and restore the database dump into a new 5.0 cluster.
The rqlite server also supports explicitly setting the node ID. While it's not required to set this, it's recommended for production clusters.
The rqlite server also supports explicitly setting the node ID. While it's not required to set this, it's recommended for production clusters. See the [cluster documentation](https://github.com/rqlite/rqlite/blob/master/DOC/CLUSTER_MGMT.md) for more details.
The HTTP Query and Insert API remains unchanged in the 5.0 series relative to the 4.0 series.