| 8.2.0 |
| ------------------ |
| #### Project |
| * Support Browser monitoring. |
| * Add e2e test for ALS solution of service mesh observability. |
| * Support compiling(include testing) in JDK11. |
| * Support build a single module. |
| |
| #### Java Agent |
| * Support metrics plugin. |
| * Support slf4j logs of gRPC and Kafka(when agent uses them) into the agent log files. |
| * Add `PROPERTIES_REPORT_PERIOD_FACTOR` config to avoid the properties of instance cleared. |
| * Limit the size of traced SQL to avoid OOM. |
| * Support `mount` command to load a new set of plugins. |
| * Add plugin selector mechanism. |
| * Enhance the witness classes for MongoDB plugin. |
| * Enhance the parameter truncate mechanism of SQL plugins. |
| * Enhance the SpringMVC plugin in the reactive APIs. |
| * Enhance the SpringMVC plugin to collect HTTP headers as the span tags. |
| * Enhance the Kafka plugin, about `@KafkaPollAndInvoke` |
| * Enhance the configuration initialization core. Plugin could have its own plugins. |
| * Enhance Feign plugin to collect parameters. |
| * Enhance Dubbo plugin to collect parameters. |
| * Provide Thrift plugin. |
| * Provide XXL-job plugin. |
| * Provide MongoDB 4.x plugin. |
| * Provide Kafka client 2.1+ plugin. |
| * Provide WebFlux-WebClient plugin. |
| * Provide ignore-exception plugin. |
| * Provide quartz scheduler plugin. |
| * Provide ElasticJob 2.x plugin. |
| * Provide Spring @Scheduled plugin. |
| * Provide Spring-Kafka plugin. |
| * Provide HBase client plugin. |
| * Provide JSON log format. |
| * Move Spring WebFlux plugin to the optional plugin. |
| * Fix inconsistent logic bug in PrefixMatch |
| * Fix duplicate exit spans in Feign LoadBalancer mechanism. |
| * Fix the target service blocked by the Kafka reporter. |
| * Fix configurations of Kafka report don't work. |
| * Fix rest template concurrent conflict. |
| * Fix NPE in the ActiveMQ plugin. |
| * Fix conflict between Kafka reporter and sampling plugin. |
| * Fix NPE in the log formatter. |
| * Fix span layer missing in certain cases, in the Kafka plugin. |
| * Fix error format of time in serviceTraffic update. |
| * Upgrade bytebuddy to 1.10.14 |
| |
| #### OAP-Backend |
| * Support Nacos authentication. |
| * Support labeled meter in the meter receiver. |
| * Separate UI template into multiple files. |
| * Provide support for Envoy tracing. Envoy tracer depends on the Envoy community. |
| * Support query trace by tags. |
| * Support composite alarm rules. |
| * Support alarm messages to DingTalk. |
| * Support alarm messages to WeChat. |
| * Support alarm messages to Slack. |
| * Support SSL for Prometheus fetcher and self telemetry. |
| * Support labeled histogram in the prometheus format. |
| * Support the status of segment based on entry span or first span only. |
| * Support the error segment in the sampling mechanism. |
| * Support SSL certs of gRPC server. |
| * Support labeled metrics in the alarm rule setting. |
| * Support to query all labeled data, if no explicit label in the query condition. |
| * Add TLS parameters in the mesh analysis. |
| * Add health check for InfluxDB storage. |
| * Add `super dataset` concept for the traces/logs. |
| * Add separate replicas configuration for super dataset. |
| * Add `IN` operator in the OAL. |
| * Add `!=` operator in the OAL. |
| * Add `like` operator in the OAL. |
| * Add `latest` function in the prometheus analysis. |
| * Add more configurations in the gRPC server. |
| * Optimize the trace query performance. |
| * Optimize the CPU usage rate calculation, at least to be 1. |
| * Optimize the length of slow SQL column in the MySQL storage. |
| * Optimize the topology query, use client side component name when no server side mapping. |
| * Add component IDs for Python component. |
| * Add component ID range for C++. |
| * Fix Slack notification setting NPE. |
| * Fix some module missing check of the module manager core. |
| * Fix authentication doesn't work in sharing server. |
| * Fix metrics batch persistent size bug. |
| * Fix trace sampling bug. |
| * Fix CLR receiver bug. |
| * Fix end time bug in the query process. |
| * Fix `Exporter INCREMENT mode` is not working. |
| * Fix an error when executing startup.bat when the log directory exists |
| * Add syncBulkActions configuration to set up the batch size of the metrics persistent. |
| * Meter Analysis Language. |
| |
| #### UI |
| * Add browser dashboard. |
| * Add browser log query page. |
| * Support query trace by tags. |
| * Fix JVM configuration. |
| * Fix CLR configuration. |
| |
| #### Document |
| * Add the document about `SW_NO_UPSTREAM_REAL_ADDRESS`. |
| * Update ALS setup document. |
| * Add Customization Config section for plugin development. |
| |
| |
| All issues and pull requests are [here](https://github.com/apache/skywalking/milestone/56?closed=1) |
