Changelog 7.2.1 (#28113)

* Changelog 7.2.1

* Fix Changelog

CHANGELOG.md

+# 7.2.1 (2020-10-08)
+
+### Features / Enhancements
+* **Api**: Add /healthz endpoint for health checks. [#27536](https://github.com/grafana/grafana/pull/27536), [@bergquist](https://github.com/bergquist)
+* **Api**: Healthchecks should not be rejected due to domain enforcement checks. [#27981](https://github.com/grafana/grafana/pull/27981), [@bergquist](https://github.com/bergquist)
+* **Instrumentation**: Removes invalid chars from label names. [#27921](https://github.com/grafana/grafana/pull/27921), [@bergquist](https://github.com/bergquist)
+* **Orgs**: Remove organisations deprecation notice from backend. [#27788](https://github.com/grafana/grafana/pull/27788), [@wbrowne](https://github.com/wbrowne)
+* **Toolkit**: Add --coverage flag to plugin build command. [#27743](https://github.com/grafana/grafana/pull/27743), [@gassiss](https://github.com/gassiss)
+
+### Bug Fixes
+* **BarGauge**: Fixed scrollbar showing for bar gauge in Firefox. [#27784](https://github.com/grafana/grafana/pull/27784), [@torkelo](https://github.com/torkelo)
+* **Dashboard**: Honour root_url for Explore link. [#27654](https://github.com/grafana/grafana/pull/27654), [@tiagomotasantos](https://github.com/tiagomotasantos)
+* **DashboardLinks**: values in links are updated when variables change. [#27926](https://github.com/grafana/grafana/pull/27926), [@hugohaggmark](https://github.com/hugohaggmark)
+* **Elasticsearch**: Add query's refId to each series returned by a query. [#27614](https://github.com/grafana/grafana/pull/27614), [@Elfo404](https://github.com/Elfo404)
+* **Elasticsearch**: Fix ad-hoc filter support for Raw Data query and new table panel. [#28064](https://github.com/grafana/grafana/pull/28064), [@Elfo404](https://github.com/Elfo404)
+* **Graph**: Fixed histogram bucket calculations to avoid missing buckets. [#27883](https://github.com/grafana/grafana/pull/27883), [@torkelo](https://github.com/torkelo)
+* **Loki**: Run instant query only in Explore. [#27974](https://github.com/grafana/grafana/pull/27974), [@ivanahuckova](https://github.com/ivanahuckova)
+* **Units**: bps & Bps default scale remains decimal (backwards-compatibility). [#27838](https://github.com/grafana/grafana/pull/27838), [@Berbe](https://github.com/Berbe)
+* **ValueMappings**: Fix issue with value mappings in override applying to all columns. [#27718](https://github.com/grafana/grafana/pull/27718), [@torkelo](https://github.com/torkelo)
+
 # 7.2.0 (2020-09-23)
 # 7.2.0 (2020-09-23)
 
 
 ### Features / Enhancements
 ### Features / Enhancements