Annotation panel options - Grafana

Option	Description
Multi-row annotations	Breaks each annotation data frame into a separate row in the visualization. Only visible in panels that display more than one annotation.
Annotation clustering	Joins adjacent point annotations into a single annotation region. In public preview. Requires `annotationsClustering` feature flag.
Hide lines and areas	Controls display of annotation indicator lines, and shaded area for region annotations. In public preview. Requires `annotationsClustering` feature flag.