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# Release notes for Grafana 8.4.4
### Features and enhancements
- **Loki:** Add unpack to autocomplete suggestions (#44623). [#46573](https://github.com/grafana/grafana/pull/46573), [@glintik](https://github.com/glintik)
- **Plugins:** allow using both Function and Class components for app plugins. [#46148](https://github.com/grafana/grafana/pull/46148), [@leventebalogh](https://github.com/leventebalogh)
- **TimeSeries:** Add migration for Graph panel's transform series override. [#46577](https://github.com/grafana/grafana/pull/46577), [@dprokop](https://github.com/dprokop)
- **TimeSeries:** Preserve null/undefined values when performing negative y transform. [#46584](https://github.com/grafana/grafana/pull/46584), [@dprokop](https://github.com/dprokop)
### Bug fixes
- **CloudWatch:** Use default http client from aws-sdk-go. [#46370](https://github.com/grafana/grafana/pull/46370), [@sunker](https://github.com/sunker)
- **Dashboards:** Fixes repeating by row and no refresh. [#46565](https://github.com/grafana/grafana/pull/46565), [@torkelo](https://github.com/torkelo)
- **Gauge:** Fixes blank viz when data link exists and orientation was horizontal. [#46335](https://github.com/grafana/grafana/pull/46335), [@torkelo](https://github.com/torkelo)
- **Search:** sort results correctly when using postgres. [#46466](https://github.com/grafana/grafana/pull/46466), [@xlson](https://github.com/xlson)
- **TextPanel:** Sanitize after markdown has been rendered to html. [#46166](https://github.com/grafana/grafana/pull/46166), [@ashharrison90](https://github.com/ashharrison90)