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Release notes for Grafana 8.3.0

Features and enhancements

• Alerting: Prevent folders from being deleted when they contain alerts. #42307, @peterholmberg
• Alerting: Show full preview value in tooltip. #42445, @peterholmberg
• BarGauge: Limit title width when name is really long. #42346, @torkelo
• CloudMonitoring: Avoid to escape regexps in filters. #41961, @andresmgot
• CloudWatch: Add support for AWS Metric Insights. #42487, @sunker
• TooltipPlugin: Remove other panels’ shared tooltip in edit panel. #42187, @mdvictor
• Visualizations: Limit y label width to 40% of visualization width. #42350, @torkelo

Bug fixes

• Alerting: Clear alerting rule evaluation errors after intermittent failures. #42386, @gotjosh
• Alerting: Fix refresh on legacy Alert List panel. #42322, @peterholmberg
• Dashboard: Fix queries for panels with non-integer widths. #42420, @gabor
• Explore: Fix url update inconsistency. #42288, @gabor
• Prometheus: Fix range variables interpolation for time ranges smaller than 1 second. #42242, @ivanahuckova
• ValueMappings: Fixes issue with regex value mapping that only sets color. #42311, @torkelo