***Singlestat**: suppress error when result contains no datapoints [#9636](https://github.com/grafana/grafana/issues/9636), thx [@utkarshcmu](https://github.com/utkarshcmu)
***Postgres/MySQL**: Control quoting in SQL-queries when using template variables [#9030](https://github.com/grafana/grafana/issues/9030), thanks [@svenklemm](https://github.com/svenklemm)
# 4.6.3 (unreleased)
## Fixes
***Gzip**: Fixes bug gravatar images when gzip was enabled [#5952](https://github.com/grafana/grafana/issues/5952)
# 4.6.2 (2017-11-16)
# Important
## Important
***Prometheus**: Fixes bug with new prometheus alerts in Grafana. Make sure to download this version if your using Prometheus for alerting. More details in the issue. [#9777](https://github.com/grafana/grafana/issues/9777)
# Fixes
## Fixes
***Color picker**: Bug after using textbox input field to change/paste color string [#9769](https://github.com/grafana/grafana/issues/9769)
***Cloudwatch**: Fix for cloudwatch templating query `ec2_instance_attribute`[#9667](https://github.com/grafana/grafana/issues/9667), thanks [@mtanda](https://github.com/mtanda)
***Heatmap**: Fixed tooltip for "time series buckets" mode [#9332](https://github.com/grafana/grafana/issues/9332)
