You can now add annotation events and regions right from the graph panel! Just hold Ctrl/Cmd+Click or drag region to open the **Add Annotation** view. The
New enhancements include support for **instant queries** and improvements to query editor in the form of autocomplete for label names and label values.
This makes exploring and filtering Prometheus data much easier.
* **GCS**: Adds support for Google Cloud Storage [#8370](https://github.com/grafana/grafana/issues/8370) thx [@chuhlomin](https://github.com/chuhlomin)
* **Prometheus**: Adds /metrics endpoint for exposing Grafana metrics. [#9187](https://github.com/grafana/grafana/pull/9187)
* **Graph**: Add support for local formatting in axis. [#1395](https://github.com/grafana/grafana/issues/1395), thx [@m0nhawk](https://github.com/m0nhawk)
* **Unit types**: New date and time unit types added, useful in singlestat to show dates and times. [#3678](https://github.com/grafana/grafana/issues/3678), [#6710](https://github.com/grafana/grafana/issues/6710), [#2764](https://github.com/grafana/grafana/issues/2764)
* **Cloudwatch**: Add support for alerting using the cloudwatch data source [#8050](https://github.com/grafana/grafana/pull/8050), thx [@mtanda](https://github.com/mtanda)
* **Pagerduty**: Include triggering series in pagerduty notification [#8479](https://github.com/grafana/grafana/issues/8479), thx [@rickymoorhouse](https://github.com/rickymoorhouse)
* **Timezone**: Time ranges like Today and Yesterday now work correctly when timezone setting is set to UTC [#8916](https://github.com/grafana/grafana/issues/8916), thx [@ctide](https://github.com/ctide)
* **Prometheus**: Align $__interval with the step parameters. [#9226](https://github.com/grafana/grafana/pull/9226), thx [@alin-amana](https://github.com/alin-amana)
* **Prometheus**: Autocomplete for label name and label value [#9208](https://github.com/grafana/grafana/pull/9208), thx [@mtanda](https://github.com/mtanda)
* **Postgres**: New Postgres data source [#9209](https://github.com/grafana/grafana/pull/9209), thx [@svenklemm](https://github.com/svenklemm)
* **HTTP**: set net.Dialer.DualStack to true for all http clients [#9367](https://github.com/grafana/grafana/pull/9367)
* **Alerting**: Add diff and percent diff as series reducers [#9386](https://github.com/grafana/grafana/pull/9386), thx [@shanhuhai5739](https://github.com/shanhuhai5739)
* **Slack**: Allow images to be uploaded to slack when Token is present [#7175](https://github.com/grafana/grafana/issues/7175), thx [@xginn8](https://github.com/xginn8)
* **Opsgenie**: Use their latest API instead of old version [#9399](https://github.com/grafana/grafana/pull/9399), thx [@cglrkn](https://github.com/cglrkn)
* **Table**: Add support for displaying the timestamp with milliseconds [#9429](https://github.com/grafana/grafana/pull/9429), thx [@s1061123](https://github.com/s1061123)
* **Hipchat**: Add metrics, message and image to hipchat notifications [#9110](https://github.com/grafana/grafana/issues/9110), thx [@eloo](https://github.com/eloo)
* **Postgres**: modify group by time macro so it can be used in select clause [#9527](https://github.com/grafana/grafana/pull/9527), thanks [@svenklemm](https://github.com/svenklemm)