***Dataproxy**: Pass configured/auth headers to a Datasource [#10971](https://github.com/grafana/grafana/issues/10971), thx [@mrsiano](https://github.com/mrsiano)
***Dataproxy**: Pass configured/auth headers to a Datasource [#10971](https://github.com/grafana/grafana/issues/10971), thx [@mrsiano](https://github.com/mrsiano)
***Cleanup**: Make temp file time to live configurable [#11607](https://github.com/grafana/grafana/issues/11607), thx [@xapon](https://github.com/xapon)
***Cleanup**: Make temp file time to live configurable [#11607](https://github.com/grafana/grafana/issues/11607), thx [@xapon](https://github.com/xapon)
### Minor
***Api**: Delete nonexistent datasource should return 404 [#12313](https://github.com/grafana/grafana/issues/12313), thx [@AustinWinstanley](https://github.com/AustinWinstanley)