Release notes for Grafana 8.2.2

Features and enhancements

• Annotations: We have improved tag search performance. #40567, @ashharrison90
• Application: You can now configure an error-template title. #40310, @benrubson
• AzureMonitor: We removed a restriction from the resource filter query. #40690, @andresmgot
• Caching: Make cache size metric collection optional. (Enterprise)
• Packaging: We removed the ProcSubset option in systemd. This option prevented Grafana from starting in LXC environments. #40339, @kminehart
• Prometheus: We removed the autocomplete limit for metrics. #39363, @ivanahuckova
• Request interceptor: Allow MSSQL’s named instances. (Enterprise)
• Table: We improved the styling of the type icons to make them more distinct from column / field name. #40596, @torkelo
• ValueMappings: You can now use value mapping in stat, gauge, bar gauge, and pie chart visualizations. #40612, @torkelo

Bug fixes

• Alerting: Fix panic when Slack’s API sends unexpected response. #40721, @santihernandezc
• Alerting: The Create Alert button now appears on the dashboard panel when you are working with a default datasource. #40334, @domasx2
• Explore: We fixed the problem where the Explore log panel disappears when an Elasticsearch logs query returns no results. #40217, @Elfo404
• Graph: You can now see annotation descriptions on hover. #40581, @axelavargas
• Logs: The system now uses the JSON parser only if the line is parsed to an object. #40507, @ivanahuckova
• Prometheus: We fixed the issue where the system did not reuse TCP connections when querying from Grafana alerting. #40349, @kminehart
• Prometheus: We fixed the problem that resulted in an error when a user created a query with a $__interval min step. #40525, @ivanahuckova
• RowsToFields: We fixed the issue where the system was not properly interpreting number values. #40580, @torkelo
• Scale: We fixed how the system handles NaN percent when data min = data max. #40622, @torkelo
• Table panel: You can now create a filter that includes special characters. #40458, @dprokop