Last9's Metrics Explorer now includes a PromQL-compatible query builder with a guided UI for selecting metrics, applying label filters, and choosing aggregations — all generating real PromQL underneath. A dedicated PromQL mode supports multi-metric arithmetic, autocomplete, and syntax highlighting. Additional improvements include drag-to-zoom across all charts, simplified user management with invite-only access, and 'created by' attribution in the control plane. Bug fixes address log pattern readability and silent 401 errors on expired sessions.
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