***Playlists**: Playlists can now be persisted and started from urls, closes [#3655](https://github.com/grafana/grafana/pull/3655)
***Metadata**: Settings panel now shows dashboard metadata, closes [#3304](https://github.com/grafana/grafana/issues/3304)
***InfluxDB**: Support for policy selection in query editor, closes [#2018](https://github.com/grafana/grafana/issues/2018)
...
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@@ -10,11 +10,14 @@
**InfluxDB 0.8.x** The data source for the old version of influxdb (0.8.x) is no longer included in default builds. Can easily be installed via improved plugin system, closes #3523
**KairosDB** The data source is no longer included in default builds. Can easily be installed via improved plugin system, closes #3524
### Enhancements ###
### Enhancements
***Sessions**: Support for memcached as session storage, closes [#3458](https://github.com/grafana/grafana/pull/3458)
***mysql**: Grafana now supports ssl for mysql, closes [#3584](https://github.com/grafana/grafana/pull/3584)
***snapshot**: Annotations are now included in snapshots, closes [#3635](https://github.com/grafana/grafana/pull/3635)
### Bug fixes
***Playlist**: Fix for memory leak when running a playlist, closes [#3794](https://github.com/grafana/grafana/pull/3794)
For details of `metric names` & `label names`, and `label values`, please refer to the [Prometheus documentation](http://prometheus.io/docs/concepts/data_model/#metric-names-and-labels).
> Note: The part of queries is incompatible with the version before 2.6, if you specify like `foo.*`, please change like `metrics(foo.*)`.
You can create a template variable in Grafana and have that variable filled with values from any Prometheus metric exploration query.
You can then use this variable in your Prometheus metric queries.