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Add change log for 6.3.0 release. (#3209) 



* Add changelog for 6.3.0 release.

* Update CHANGES.md

Co-Authored-By: default avatarkezhenxu94 <kezhenxu94@apache.org>

* Update CHANGES.md
parent 3549d074

CHANGES.md

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@@ -2,6 +2,73 @@ Changes by Version 
==================

Release Notes.



6.3.0

------------------



#### Project

* e2e tests have been added, and verify every pull request.

* Use ArrayList to replace LinkedList in DataCarrier for much better performance.

* Add plugin instrumentation definition check in CI.

* DataCarrier performance improvement by avoiding false-sharing.



#### Java Agent

* Java agent supports JDK 9 - 12, but don't support Java Module yet.

* Support JVM class auto instrumentation, cataloged as bootstrap plugin.

* Support JVM HttpClient and HttpsClient plugin.[Optional]

* Support backend upgrade without rebooting required.

* Open Redefine and Retransform by other agents.

* Support Servlet 2.5 in Jetty, Tomcat and SpringMVC plugins.

* Add new config item to restrict the length of span#peer.

* Refactor `ContextManager#stopSpan`.

* Add gRPC timeout.

* Support Logback AsyncAppender print tid 

* Fix gRPC reconnect bug.

* Fix trace segment service doesn't report `onComplete`.

* Fix wrong logger class name.

* Fix gRPC plugin bug.



#### Backend

* Support agent reset command downstream when the storage is erased, mostly because of backend upgrade.

* Backend stream flow refactor.

* High dimensionality metrics(Hour/Day/Month) are changed to lower priority, to ease the storage payload.

* Add OAP metrics cache to ease the storage query payload and improve performance.

* Remove DataCarrier in trace persistent of ElasticSearch storage, by leveraging the elasticsearch bulk queue.

* OAP internal communication protocol changed. Don't be compatible with old releases.

* Improve ElasticSearch storage bulk performance.

* Support etcd as dynamic configuration center.

* Simplify the PxxMetrics and ThermodynamicMetrics functions for better performance and GC.

* Support JVM metrics self observability.

* Add the new OAL runtime engine.

* Add gRPC timeout.

* Add Charset in the alarm web hook.

* Support Spring @Async plugin.

* Fix buffer lost.

* Fix dirty read in ElasticSearch storage.

* Fix bug of cluster management plugins in un-Mixed mode.

* Fix wrong logger class name.

* Fix delete bug in ElasticSearch when using namespace.

* Fix MySQL TTL failure.

* Totally remove `IDs can't be null` log, to avoid misleading.

* Fix provider has been initialized repeatedly.

* Adjust providers conflict log message.



#### UI

* Fix refresh is not working after endpoint and instance changed.

* Fix endpoint selector but.

* Fix wrong copy value in slow traces.

* Fix can't show trace when it is broken partially(Because of agent sampling or fail safe).

* Fix database and response time graph bugs.



#### Document

* Add bootstrap plugin development document.

* Alarm documentation typo fixed.

* Clarify the Docker file purpose.

* Fix a license typo.





All issues and pull requests are [here](https://github.com/apache/skywalking/milestone/34?closed=1)





6.2.0

------------------

apm-sniffer/apm-sdk-plugin/spring-plugins/async-annotation-plugin/pom.xml

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            <groupId>org.springframework</groupId>

            <artifactId>spring-aop</artifactId>

            <version>${spring-aop.version}</version>

            <scope>provided</scope>

        </dependency>

    </dependencies>

</project>