* agent: Added the datacenter of a node to the catalog, health, and query API endpoints which contain a Node structure. [GH-2713]
* agent: Added the `ca_path`, `tls_cipher_suites`, and `tls_prefer_server_cipher_suites` options to give more flexibility around configuring TLS. [GH-2963]
* api: Add ACL replication status endpoint. [GH-2947]
* cli: Show Raft protocol version in `operator raft list-peers` command[GH-2929]
* cli: Show Raft protocol version in `operator raft list-peers` command.[GH-2929]
BUG FIXES:
* server: Fixed a panic when the tombstone garbage collector was stopped. [GH-2087]