***Data Source Proxy**: Add support for whitelisting specified cookies that will be passed through to the data source when proxying data source requests [#5457](https://github.com/grafana/grafana/issues/5457), thanks [@robingustafsson](https://github.com/robingustafsson)
***Postgres/MySQL**: add __timeGroup macro for mysql [#9596](https://github.com/grafana/grafana/pull/9596), thanks [@svenklemm](https://github.com/svenklemm)
