- [**IMPORTANT**] Local span and exit span are not treated as endpoint detected at client and local. Only entry span is the endpoint. Reduce the load of register and memory cost.
* Support MiniKube, Istio and SkyWalking on K8s deployment in CI.
* Support Windows and MacOS build in GitHub Action CI.
* Support ElasticSearch 7 in official dist.
* Hundreds plugin cases have been added in GitHub Action CI process.
#### Java Agent
* Remove the local/exit span operation name register mechanism.
* Add plugin for JDK Threading classes.
* Add plugin for Armeria.
* Support set operation name in async span.
* Enhance webflux plugin, related to Spring Gateway plugin. Webflux plugin is in optional, due to JDK8 required.
* Fix a possible deadlock.
* Fix NPE when OAL scripts are different in different OAP nodes, mostly in upgrading stage.
* Fix bug about wrong peer in ES plugin.
* Fix NPE in Spring plugin.
* Fix wrong class name in Dubbo 2.7 conflict patch.
* Fix spring annotation inheritance problem.
#### OAP-Backend
* Remove the local/exit span operation name register mechanism.
* Remove client side endpoint register in service mesh.
* Service instance dependency and related metrics.
* Support `min` func in OAL
* Support `apdex` func in OAL
* Support custom ES config setting at the index level.
* Envoy ALS proto upgraded.
* Update JODA lib as bugs in UTC +13/+14.
* Support topN sample period configurable.
* Ignore no statement DB operations in slow SQL collection.
* Fix bug in docker-entrypoint.sh when using MySQL as storage
#### UI
* Service topology enhancement. Dive into service, instance and endpoint metrics on topo map.
* Service instance dependency view and related metrics.
* Support using URL parameter in trace query page.
* Support apdex score in service page.
* Add service dependency metrics into metrics comparison.
* Fix alarm search not working.
#### Document
* Update user list and user wall.
* Add document link for CLI.
* Add deployment guide of agent in Jetty case.
* Modify Consul cluster doc.
* Add document about injecting traceId into the logback with logstack in JSON format.
* ElementUI license and dependency added.
All issues and pull requests are [here](https://github.com/apache/skywalking/milestone/37?closed=1)
