release: 26.05.01 — OTel observability foundation#1
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May 19, 2026 17:40
…defaults FireflyObservabilityEnvironmentPostProcessor now loads the bundled application-firefly-observability.yml from the classpath and adds it to the environment with lowest precedence. Host application.yml always wins, but every Firefly-based service now gets sensible defaults out of the box: - Actuator endpoints exposed: health,info,metrics,prometheus - Kubernetes liveness/readiness probe groups - W3C+B3 composite trace propagation - OTLP endpoints (overridable via OTEL_EXPORTER_OTLP_* env vars) - Graceful shutdown (30s phase timeout) - Logback structured (logstash JSON) console output - Reactor Hooks.enableAutomaticContextPropagation() Added FireflyObservabilityEnvironmentPostProcessorTest with 7 tests: defaults loading, host-override precedence, OTEL/Brave switching, PROMETHEUS/OTLP/BOTH exporter switching, idempotence. Previously the YAML was registered as a Spring profile but never activated, so downstream services were silently missing the defaults until they opted in explicitly. This closes that integration gap.
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Critical: FireflyObservabilityEnvironmentPostProcessor now auto-loads application-firefly-observability.yml defaults — closes the out-of-box integration gap.
See ~/Desktop/firefly-java-observability-audit.md for the deep audit.