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title: Release notes for Grafana 8.5.2
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# Release notes for Grafana 8.5.2

### Features and enhancements

- **Alerting:** Add safeguard for migrations that might cause dataloss. [#48526](https://github.com/grafana/grafana/pull/48526), [@JohnnyQQQQ](https://github.com/JohnnyQQQQ)
- **AzureMonitor:** Add support for not equals and startsWith operators when creating Azure Metrics dimension filters. [#48077](https://github.com/grafana/grafana/pull/48077), [@aangelisc](https://github.com/aangelisc)
- **Elasticsearch:** Add deprecation notice for < 7.10 versions. [#48506](https://github.com/grafana/grafana/pull/48506), [@ivanahuckova](https://github.com/ivanahuckova)
- **Traces:** Filter by service/span name and operation in Tempo and Jaeger. [#48209](https://github.com/grafana/grafana/pull/48209), [@joey-grafana](https://github.com/joey-grafana)

### Bug fixes

- **AzureAd Oauth:** Fix strictMode to reject users without an assigned role. [#48474](https://github.com/grafana/grafana/pull/48474), [@kyschouv](https://github.com/kyschouv)
- **CloudWatch:** Fix variable query tag migration. [#48587](https://github.com/grafana/grafana/pull/48587), [@iwysiu](https://github.com/iwysiu)
- **Plugins:** Ensure catching all appropriate 4xx api/ds/query scenarios. [#47565](https://github.com/grafana/grafana/pull/47565), [@wbrowne](https://github.com/wbrowne)
