***Annotations**: Support PATCH verb in annotations http api [#12546](https://github.com/grafana/grafana/issues/12546), thx [@SamuelToh](https://github.com/SamuelToh)
***Templating**: Add json formatting to variable interpolation [#15291](https://github.com/grafana/grafana/issues/15291), thx [@mtanda](https://github.com/mtanda)
### 6.6.0-beta1 fixes
### 6.0.0-beta1 fixes
***Postgres**: Fix default port not added when port not configured [#15189](https://github.com/grafana/grafana/issues/15189)