Changes by Version

Release Notes.

8.5.0

Update frontend-maven-plugin to 1.11.0, for Download node x64 binary on Apple Silicon.
Add E2E test for VM monitoring that metrics from Prometheus node-exporter.

Remove invalid mysql configuration in agent.config.
Add net.bytebuddy.agent.builder.AgentBuilder.RedefinitionStrategy.Listener to show detail message when redefine errors occur.
Fix ClassCastException of log4j gRPC reporter.
Fix NPE when Kafka reporter activated.
Enhance gRPC log appender to allow layout pattern.
Fix apm-dubbo-2.7.x-plugin memory leak due to some Dubbo RpcExceptions.
Fix lettuce-5.x-plugin get null host in redis sentinel mode.

Allow user-defined JAVA_OPTS in the startup script.
Metrics combination API supports abandoning results.
Add a new concept "Event" and its implementations to collect events.
Add some defensive codes for NPE and bump up Kubernetes client version to expose exception stack trace.
Update the timestamp field type for LogQuery.
Support Zabbix protocol to receive agent metrics.
Update the Apdex metric combine calculator.
Enhance MeterSystem to allow creating metrics with same metricName / function / scope.
Storage plugin supports postgresql.
Fix kubernetes.client.opeanapi.ApiException.
Remove filename suffix in the meter active file config.
Introduce log analysis language (LAL).
Fix alarm httpclient connection leak.
Add sum function in meter system.
Remove Jaeger receiver.
Remove the experimental Zipkin span analyzer.
Upgrade the Zipkin Elasticsearch storage from 6 to 7.
Require Zipkin receiver must work with zipkin-elasticsearch7 storage option.

Polish documentation due to we have covered all tracing, logging, and metrics fields.
Adjust documentation about Zipkin receiver.

All issues and pull requests are here

Find change logs of all versions here.