Trove provides database services and improved in Kilo and Liberty releases. In Kilo, specs were moved to Gerrit, replication was improved with GTID and failover support, and new databases like CouchDB and Vertica were added. In Liberty, backups/restores were added for MongoDB and Redis, Redis was updated, and clustering support improved including multi-master MySQL and Redis clusters. Work also focused on simplifying operations and exposing more management features through Horizon.