Update README.md

README.md

@@ -9,6 +9,9 @@ Graphite, Elasticsearch, OpenTSDB, Prometheus and InfluxDB.
 
 ![](http://docs.grafana.org/assets/img/features/dashboard_ex1.png)
 
+## Grafana v5 Alpha Preview
+Grafana master is now v5.0 alpha. This is going to be the biggest and most foundational release Grafana has ever had, coming with a ton of UX improvements, a new dashboard grid engine, dashboard folders, user teams and permissions. Checkout out this [video preview](https://www.youtube.com/watch?v=BC_YRNpqj5k) of Grafana v5.
+
 ## Installation
 Head to [docs.grafana.org](http://docs.grafana.org/installation/) and [download](https://grafana.com/get)
 the latest release.