Grafana 3.0 marks a significant release with contributions from over 30 developers and introduces a new Plugin architecture to enhance customization and community involvement. Alongside this release, Grafana.net was previewed, providing a platform for community engagement and plugin sharing, as well as offering a scalable Graphite-compatible hosted data source optimized for Grafana. Grafana.net also facilitates commercial support subscriptions, instance management, and plans to introduce features like health monitoring and Dashboard backups. These developments highlight Grafana's commitment to open-source collaboration and expanding capabilities for users.