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The one major fix is that a gauge histogram doesn't have start time. Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
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Pull request overview
Updates the OpenMetrics 2.0 text-format specification to clarify value constraints for scalar metric types, improve cross-references/examples, and correct GaugeHistogram guidance to align with the data model (notably around Start Timestamp usage).
Changes:
- Adds explicit “Sample value MUST be a Number” statements for Gauge/Counter/Unknown in the text-format metric type sections.
- Improves spec text clarity (adds UTF-8 Quoting anchor link, refines example descriptions, adds a note about native bucket values being absolute counts).
- Adjusts GaugeHistogram text-format examples and descriptions, including removing
st@...from a GaugeHistogram example.
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dashpole
approved these changes
Mar 18, 2026
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The one major fix is that a gauge histogram doesn't have start time.