- Allow ingesting histograms with missing sum metric via OpenTelemetry ingestion, matching Prometheus behavior in vmsingle, vminsert and vmagent.
- Fix single‑node VictoriaMetrics and vmselect to correctly handle the last raw sample before a look‑behind window exceeds the staleness interval, correcting increase/delta calculations on series with gaps.
- Remove unnecessary delay before failing when all online verification attempts fail across all enterprise components, reducing failure latency.
v1.97.16
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Enable multitenancy via headers by default for vmselect, vminsert and vmagent (default flag changed to true), which may break existing URL patterns.
Upgrade Go builder to Go1.26.6, addressing security issues in the runtime.
Upgrade Go builder from 1.26.5 to 1.26.6 for security patches.