* Docs: Updated changelog for 6.1 release
Also Updates the changelog cli task to group issues into bug fixes
and not bug fixes.
* Minor changelog fixes
* **Prometheus**: adhoc filter support [#8253](https://github.com/grafana/grafana/issues/8253), thx [@mtanda](https://github.com/mtanda)
* **Permissions**: Editors can become admin for dashboards, folders and teams they create. [#15977](https://github.com/grafana/grafana/pull/15977), [@xlson](https://github.com/xlson)
### Minor
* **Auth**: Support listing and revoking auth tokens via API [#15836](https://github.com/grafana/grafana/issues/15836)
* **Alerting**: Notification channel http api enhancements. [#16219](https://github.com/grafana/grafana/pull/16219), [@marefr](https://github.com/marefr)
* **Cache**: Adds support for using out of proc caching in the backend [#10816](https://github.com/grafana/grafana/issues/10816)
* **Dashboard**: New keyboard shortcut `d l` toggles all Graph legends in a dashboard. [#15770](https://github.com/grafana/grafana/pull/15770), [@jsferrei](https://github.com/jsferrei)
* **Datasource**: Only log connection string in dev environment [#16001](https://github.com/grafana/grafana/issues/16001)
* **DataProxy**: Add custom header (X-Grafana-User) to data source requests with the current username. [#15998](https://github.com/grafana/grafana/pull/15998), [@aocenas](https://github.com/aocenas)
* **DataProxy**: Make it possible to add user details to requests sent to the dataproxy [#6359](https://github.com/grafana/grafana/issues/6359) and [#15931](https://github.com/grafana/grafana/issues/15931)
* **Explore**: Make it possible to close left pane of split view. [#16155](https://github.com/grafana/grafana/pull/16155), [@dprokop](https://github.com/dprokop)
* **Explore**: Move back / forward with browser buttons now works. [#16150](https://github.com/grafana/grafana/pull/16150), [@hugohaggmark](https://github.com/hugohaggmark)
* **Explore**: Update Loki labels when label selector is opened. [#16131](https://github.com/grafana/grafana/pull/16131), [@dprokop](https://github.com/dprokop)
* **Heatmap**: You can now choose to hide buckets with zero value. [#15934](https://github.com/grafana/grafana/pull/15934), [@alexanderzobnin](https://github.com/alexanderzobnin)
* **Heatmap**: `Reverse order` option for changing order of buckets [#15683](https://github.com/grafana/grafana/issues/15683)
* **Prometheus**: Change alignment of range queries to end before now and not in future. [#16110](https://github.com/grafana/grafana/pull/16110), [@davkal](https://github.com/davkal)
* **Prometheus**: Dedup annotations events with same timestamp . [#16152](https://github.com/grafana/grafana/pull/16152), [@torkelo](https://github.com/torkelo)
* **SQL**: Use default min interval of 1m for all SQL data sources. [#15799](https://github.com/grafana/grafana/pull/15799), [@marefr](https://github.com/marefr)
* **Templating**: Custom variable value now escapes all backslashes properly. [#15980](https://github.com/grafana/grafana/pull/15980), [@srid12](https://github.com/srid12)
* **Templating**: Data source variable now supports multi-value for uses cases that involve repeating panels & rows. [#15914](https://github.com/grafana/grafana/pull/15914), [@torkelo](https://github.com/torkelo)
* **VictorOps**: Adds more information to the victor ops notifiers [#15744](https://github.com/grafana/grafana/issues/15744), thx [@zhulongcheng](https://github.com/zhulongcheng)
* **Cache**: Adds support for using out of proc caching in the backend [#10816](https://github.com/grafana/grafana/issues/10816)
* **Dataproxy**: Make it possible to add user details to requests sent to the dataproxy [#6359](https://github.com/grafana/grafana/issues/6359) and [#15931](https://github.com/grafana/grafana/issues/15931)
* **Auth**: Support listing and revoking auth tokens via API [#15836](https://github.com/grafana/grafana/issues/15836)
* **Datasource**: Only log connection string in dev environment [#16001](https://github.com/grafana/grafana/issues/16001)
### Bug Fixes
* **Alerting**: Don't include non-existing image in MS Teams notifications. [#16116](https://github.com/grafana/grafana/pull/16116), [@SGI495](https://github.com/SGI495)
* **Annotations**: Fix for native annotations filtered by template variable with pipe. [#15515](https://github.com/grafana/grafana/pull/15515), [@marefr](https://github.com/marefr)
* **Dashboard**: Fix for time regions spanning across midnight. [#16201](https://github.com/grafana/grafana/pull/16201), [@marefr](https://github.com/marefr)
* **Datasource**: Handles nil jsondata field gracefully [#14239](https://github.com/grafana/grafana/issues/14239)
* **Gauge**: Interpolate scoped variables in repeated gauges [#15739](https://github.com/grafana/grafana/issues/15739)
* **Datasource**: Empty user/password was not updated when updating datasources [#15608](https://github.com/grafana/grafana/pull/15608), thx [@Maddin-619](https://github.com/Maddin-619)
* **Elasticsearch**: Fix incorrect index pattern padding in alerting queries. [#15892](https://github.com/grafana/grafana/pull/15892), [@sandlis](https://github.com/sandlis)
* **Explore**: Fix for Prometheus autocomplete not working in Firefox. [#16192](https://github.com/grafana/grafana/pull/16192), [@hugohaggmark](https://github.com/hugohaggmark)
* **Explore**: Fix for url does not keep query after browser refresh. [#16189](https://github.com/grafana/grafana/pull/16189), [@hugohaggmark](https://github.com/hugohaggmark)
* **Gauge**: Interpolate scoped variables in repeated gauges [#15739](https://github.com/grafana/grafana/issues/15739)
* **Graphite**: Fixed issue with using series ref and series by tag. [#16111](https://github.com/grafana/grafana/pull/16111), [@torkelo](https://github.com/torkelo)
* **Graphite**: Fixed variable quoting when variable value is nummeric. [#16149](https://github.com/grafana/grafana/pull/16149), [@torkelo](https://github.com/torkelo)
* **Heatmap**: Fixes Y-axis tick labels being in wrong order for some Prometheus queries. [#15932](https://github.com/grafana/grafana/pull/15932), [@alexanderzobnin](https://github.com/alexanderzobnin)
* **Heatmap**: Negative values are now displayed correctly in graph & legend. [#15953](https://github.com/grafana/grafana/pull/15953), [@alexanderzobnin](https://github.com/alexanderzobnin)
* **Heatmap**: legend shows wrong colors for small values [#14019](https://github.com/grafana/grafana/issues/14019)
* **InfluxDB**: Always close request body even for error status codes. [#16207](https://github.com/grafana/grafana/pull/16207), [@ramongtx](https://github.com/ramongtx)
* **ManageDashboards**: Fix for checkboxes not appearing properly Firefox . [#15981](https://github.com/grafana/grafana/pull/15981), [@srid12](https://github.com/srid12)
* **Table**: Fix for white text on white background when value is null. [#16199](https://github.com/grafana/grafana/pull/16199), [@peterholmberg](https://github.com/peterholmberg)