***Datasource**: Handles nil jsondata field gracefully [#14239](https://github.com/grafana/grafana/issues/14239)
***Gauge**: Interpolate scoped variables in repeated gauges [#15739](https://github.com/grafana/grafana/issues/15739)
***Datasource**: Empty user/password was not updated when updating datasources [#15608](https://github.com/grafana/grafana/pull/15608), thx [@Maddin-619](https://github.com/Maddin-619)