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feat(explore): enable heat map tooltips on click #115413

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feat(explore): enable heat map tooltips on click #115413

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feat(explore): enable heat map tooltips on click
nikkikapadia May 12, 2026
79a6555
Merge branch 'master' into nikki/feat/heat-map-click-tooltip
nikkikapadia May 13, 2026
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7 changes: 6 additions & 1 deletion static/app/views/dashboards/widgets/heatMapWidget/heatMapWidgetVisualization.tsx
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Expand Up @@ -61,11 +61,16 @@ export function HeatMapWidgetVisualization(props: HeatMapWidgetVisualizationProp
<Flex direction="column" height="100%">
<BaseChart
autoHeightResize
// will be grouped by date as we only support time as the x-axis right now.
// this will change later and we'll pass in what kind of x-axis we have
isGroupedByDate
showTimeInTooltip
tooltip={{
show: false,
show: true,
axisPointer: {
show: false,
},
triggerOn: 'click',
Comment on lines 68 to +73
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@sentry sentry Bot May 12, 2026

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Bug: The heatmap tooltip formatter is not customized for 3D data, causing it to display the Y-axis label instead of the Z-axis count as the series value.
Severity: MEDIUM

Suggested Fix

Provide a custom formatter function in the tooltip configuration for the heatmap chart. This formatter should correctly access the Z-axis value from the 3D series data at index 2 (e.g., params.value[2]) to display the correct count in the tooltip.

Prompt for AI Agent 
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.

Location:
static/app/views/dashboards/widgets/heatMapWidget/heatMapWidgetVisualization.tsx#L68-L73

Potential issue: The `tooltip` configuration for the heatmap chart in
`heatMapWidgetVisualization.tsx` lacks a custom `formatter`. Consequently, the default
formatter from `tooltip.tsx` is used, which is designed for 2D data and extracts the
value from index 1 of the series data (`getSeriesValue(serie, 1)`). For heatmap series,
which are 3D (`[xAxis, yAxis, zAxis]`), index 1 holds the Y-axis bucket label (e.g.,
'p95'), while the actual count is at index 2. This results in the tooltip incorrectly
displaying the Y-axis label as the metric value, misleading users about the data.

Did we get this right? 👍 / 👎 to inform future reviews.

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@nikkikapadia nikkikapadia May 12, 2026

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ya ya later problem

}}
series={series}
xAxis={{
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