Native Observability 1.0.0 stable release Full observability stack for Drupal including: - Request tracing engine - Execution monitoring - Span hierarchy and trace navigation - Metrics engine with aggregation - Prometheus metrics exporter - OpenTelemetry exporter (OTLP) - Elastic telemetry output - Drush tooling integration - Observability status block - Modular observability architecture This release finalizes Phase 1–4 of the Native Observability roadmap.