***Panels**: Delay loading & Lazy load panels as they become visible (scrolled into view) [#5216](https://github.com/grafana/grafana/issues/5216) thx [@jifwin](https://github.com/jifwin)
***Graph**: Support auto grid min/max when using log scale [#3090](https://github.com/grafana/grafana/issues/3090), thx [@bigbenhur](https://github.com/bigbenhur)
***Graph**: Support for histograms [#600](https://github.com/grafana/grafana/issues/600)
***Elasticsearch**: Support histogram aggregations [#3164](https://github.com/grafana/grafana/issues/3164)
***Prometheus**: Support table response formats (column per label) [#6140](https://github.com/grafana/grafana/issues/6140), thx [@mtanda](https://github.com/mtanda)
