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Available in arize-phoenix 16.3.0+ Project metric charts and the spans-tab sparkline now support click-and-drag to zoom into a time window. Drag across any region of the chart to set a custom time range — the selection applies to all metric panels simultaneously via the shared time-range context.
  • All metric charts covered: latency, error rate, token usage, and the trace-count sparkline all respond to brush selection.
  • Shared time range: dragging on any chart updates the page-level time range, keeping all panels in sync.
  • Adaptive tick density: x-axis labels scale with the chart’s rendered pixel width rather than bin count, so labels stay readable at any zoom level.