***Cloudwatch**: Show all available CloudWatch regions [#12308](https://github.com/grafana/grafana/issues/12308), thx [@mtanda](https://github.com/mtanda)
***Cloudwatch**: AWS/Connect metrics and dimensions [#13970](https://github.com/grafana/grafana/pull/13970), thx [@zcoffy](https://github.com/zcoffy)
***Postgres**: Add delta window function to postgres query builder [#13925](https://github.com/grafana/grafana/issues/13925), thx [svenklemm](https://github.com/svenklemm)
***Elasticsearch**: Fix switching to/from es raw document metric query [#6367](https://github.com/grafana/grafana/issues/6367)
***Units**: New clock time format, to format ms or second values as for example `01h:59m`, [#13635](https://github.com/grafana/grafana/issues/13635), thx [@franciscocpg](https://github.com/franciscocpg)