Unverified Commit b0d35981 authored by 吴晟's avatar 吴晟 Committed by GitHub
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Add changelog for 6.4.0 release. (#3398) 

* Add changelog for 6.4.0 release.

* Update CHANGES.md

ES storage column type changed for pxx details. It wouldn't really 100% compatible.
parent c0bb8910

CHANGES.md

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==================

Release Notes.



6.4.0

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



#### Project

* Highly recommend to upgrade due to Pxx metrics calculation bug.

* Make agent working in JDK9+ Module system.



#### Java Agent

* Make agent working in JDK9+ Module system.

* Support Kafka 2.x client libs.

* Log error in OKHTTP OnFailure callback.

* Support injecting traceid into logstack appender in logback.

* Add OperationName(including endpoint name) length max threshold.

* Support using Regex to group operation name. 

* Support Undertow routing handler.

* RestTemplate plugin support operation name grouping.

* Fix ClassCastException in Webflux plugin.

* Ordering zookeeper server list, to make it better in topology.

* Fix a Dubbo plugin incompatible issue.

* Fix MySQL 5 plugin issue.

* Make log writer cached.

* Optimize Spring Cloud Gateway plugin

* Fix and improve gRPC reconnect mechanism.

* Remove Disruptor dependency from agent.



#### Backend

* Fix Pxx(p50,p75,p90,p95,p99) metrics func bug.(Critical)

* Support Gateway in backend analysis, even when it doesn't have suitable language agent.

* Support using HTTPs SSL accessing ElasticSearch storage.

* Support Zookeeper ACL.

* Make alarm records listed in order.

* Fix Pxx data persistence failure in some cases.

* Fix some bugs in MySQL storage.

* Setup slow SQL length threshold.

* Fix TTL settings is not working as expected.

* Remove scope-meta file.



#### UI

* Enhance alarm page layout.

* Support trace tree chart resize.

* Support trace auto completion when partial traces abandoned somehow.

* Fix dashboard endpoint slow chart.

* Add radial chart in topology page.

* Add trace table mode.

* Fix topology page bug.

* Fix calender js bug.

* Fix "The "topo-services" component did not update the data in time after modifying the time range on the topology page.



#### Document

* Restore the broken Istio setup doc.

* Add etcd config center document.

* Correct span_limit_per_segment default value in document.

* Enhance plugin develop doc.

* Fix error description in build document.



All issues and pull requests are [here](https://github.com/apache/skywalking/milestone/35?closed=1)





6.3.0

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