Project: SkyWalking (Observability and Analysis / Observability)
File: changes-8.6.0.md

Add OpenSearch as storage option. Upgrade Kubernetes Java client dependency to 11.0. Fix plugin test script error in macOS. Add `tracesegmentreflimitper_span` configuration mechanism to avoid OOM. Improve `GlobalIdGenerator` performance. Add an agent plugin to support elasticsearch7. Add `jsonrpc4j` agent plugin. new options to support multi skywalking cluster use same kafka cluster(plugin.kafka.namespace) resolve agent has no retries if connect kafka cluster failed when bootstrap Add Seata in the component definition. Seata plugin hosts on Seata project. Extended Kafka plugin to properly trace consumers that have topic partitions directly assigned. Support Kafka consumer 2.8.0. Support print SkyWalking context to logs. Add `MessageListener` enhancement in pulsar plugin. fix a bug that spring-mvc set an error endpoint name if the controller class annotation implements an interface. Add an optional agent plugin to support mybatis. Add `spring-cloud-gateway-3.x` optional plugin. Add `okhttp-4.x` plugin. Fix NPE when thrift field is nested in plugin `thrift` Fix possible NullPointerException in agent's ES plugin. Fix the conversion problem of float type in ConfigInitializer. Fixed part of the dynamic configuration of ConfigurationDiscoveryService that does not take effect under certain circumstances. Introduce method interceptor API v2 Fix ClassCast issue for RequestHolder/ResponseHolder. fixed `jdk-threading-plugin` memory leak. Optimize multiple field reflection operation in Feign plugin. Fix `trace-ignore-plugin` TraceIgnorePathPatterns can't set empty value BugFix: filter invalid Envoy access logs whose socket address is empty. Fix K8s monitoring the incorrect metrics calculate. Loop alarm into event system. Support alarm tags. Support WeLink as a channel of alarm notification. Fix: Some defensive codes didn't work in `PercentileFunction combine`. CVE: fix Jetty vulnerability. https://nvd.nist.gov/vuln/detail/CVE-2019-17638 Fix: MAL function would miss samples name after creating new samples. perf: use iterator.remove() to remove modulesWithoutProvider Support analyzing Envoy TCP access logs and persist error TCP logs. Fix: Envoy error logs are not persisted when no metrics are generated Fix: Memory leakage of low version etcd

Allow multiple definitions as fallback in metadata-service-mapping.yaml file and `k8sServiceNameRule`. Fix: NPE when configmap has no data. Fix: Dynamic Configuration key `slowTraceSegmentThreshold` not work Fix: `!=` is not supported in oal when parameters are numbers. Include events of the entity(s) in the alarm. Support `native-json` format log in kafka-fetcher-plugin. Fix counter misuse in the alarm core. Alarm can't be triggered in time. Events can be configured as alarm source. Make the number of core worker in meter converter thread pool configurable. Add HTTP implementation of logs reporting protocol. Make metrics exporter still work even when storage layer failed. Fix Jetty HTTP `TRACE` issue, disable HTTP methods except `POST`. CVE: upgrade snakeyaml to prevent in dynamic configuration. polish debug logging avoids null value when the segment ignored. Add logo for kong plugin. Add apisix logo. Refactor js to ts for browser logs and style change. When creating service groups in the topology, it is better if the service names are sorted. Add tooltip for dashboard component. Fix style of endpoint dependency. Support search and visualize alarms with tags. Fix configurations on dashboard. Support to configure the maximum number of displayed items. After changing the durationTime, the topology shows the originally selected group or service. remove the no use maxItemNum for labeled-value metric, etc. Add Azure Functions logo. Support search Endpoint use keyword params in trace view. Add a function which show the statistics information during the trace query. Remove the sort button at the column of Type in the trace statistics page. Optimize the APISIX icon in the topology. Implement metrics templates in the topology. Visualize Events on the alarm page. Update duration steps in graphs for Trace and Log. Polish k8s monitoring otel-collector configuration example. Print SkyWalking context to logs configuration example. Update doc about metrics v2 APIs. All issues and pull requests are Find change logs of all versions .