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title = "Release notes for Grafana 7.5.5"
[_build]
list = false
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<!-- Auto generated by update changelog github action -->

# Release notes for Grafana 7.5.5

### Features and enhancements

* **Explore:** Load default data source in Explore when the provided source does not exist. [#32992](https://github.com/grafana/grafana/pull/32992), [@ifrost](https://github.com/ifrost)
* **Instrumentation:** Add success rate metrics for email notifications. [#33359](https://github.com/grafana/grafana/pull/33359), [@bergquist](https://github.com/bergquist)

### Bug fixes

* **Alerting:** Remove field limitation from Slack notifications. [#33113](https://github.com/grafana/grafana/pull/33113), [@dsotirakis](https://github.com/dsotirakis)
* **Auth:** Do not clear auth token cookie when token lookup fails. [#32999](https://github.com/grafana/grafana/pull/32999), [@marefr](https://github.com/marefr)
* **Bug:** Add git command to Dockerfile.ubuntu file. [#33247](https://github.com/grafana/grafana/pull/33247), [@dsotirakis](https://github.com/dsotirakis)
* **Explore:** Adjust time to the selected timezone. [#33315](https://github.com/grafana/grafana/pull/33315), [@ifrost](https://github.com/ifrost)
* **GraphNG:** Fix exemplars window position. [#33427](https://github.com/grafana/grafana/pull/33427), [@zoltanbedi](https://github.com/zoltanbedi)
* **Loki:** Pass Skip TLS Verify setting to alert queries. [#33025](https://github.com/grafana/grafana/pull/33025), [@ivanahuckova](https://github.com/ivanahuckova)
* **Postgres:** Fix time group macro when TimescaleDB is enabled and interval is less than a second. [#33153](https://github.com/grafana/grafana/pull/33153), [@marefr](https://github.com/marefr)