Release notes for Grafana 8.0.3

Alerting: Increase alertmanager_conf column if MySQL. #35657, @kylebrandt
Time series/Bar chart panel: Handle infinite numbers as nulls when converting to plot array. #35638, @dprokop
TimeSeries: Ensure series overrides that contain color are migrated, and migrate the previous fieldConfig when changing the panel type. #35676, @ashharrison90
ValueMappings: Improve singlestat value mappings migration. #35578, @dprokop

Annotations: Fix annotation line and marker colors. #35608, @torkelo
AzureMonitor: Fix KQL template variable queries without default workspace. #35836, @joshhunt
CloudWatch/Logs: Fix missing response data for log queries. #35724, @aocenas
Elasticsearch: Restore previous field naming strategy when using variables. #35624, @Elfo404
LibraryPanels: Fix crash in library panels list when panel plugin is not found. #35907, @torkelo
LogsPanel: Fix performance drop when moving logs panel in dashboard. #35379, @aocenas
Loki: Parse log levels when ANSI coloring is enabled. #35607, @olbo98
MSSQL: Fix issue with hidden queries still being executed. #35787, @torkelo
PanelEdit: Display the VisualizationPicker that was not displayed if a panel has an unknown panel plugin. #35831, @jackw
Plugins: Fix loading symbolically linked plugins. #35635, @domasx2
Prometheus: Fix issue where legend name was replaced with name Value in stat and gauge panels. #35863, @torkelo
State Timeline: Fix crash when hovering over panel. #35692, @hugohaggmark