***Browser History**: Browser back/forward now works time ranges / zoom, [#7259](https://github.com/grafana/grafana/issues/7259)
***SingleStat**: Implements diff aggregation method for singlestat [#7234](https://github.com/grafana/grafana/issues/7234), thx [@oliverpool](https://github.com/oliverpool)
***Dataproxy**: Added setting to enable more verbose logging in dataproxy [#7209](https://github.com/grafana/grafana/pull/7209), thx [@Ricky-N](https://github.com/Ricky-N)
***Alerting**: Better information about why an alert triggered [#7035](https://github.com/grafana/grafana/issues/7035)
