Remove redundant fields.

* Fix okhttp-3.x and async-http-client-2.x did not overwrite the old trace header.

* fix index not found on trace query when using es7

* add changelog
Co-authored-by: NEvan <evanljp@outlook.com>

* Include SAN to set mTLS property
* Fix codes as SAN is a list.
* Update the changelog.
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>
Co-authored-by: Wu Sheng <wu.sheng@foxmail.com>

https://github.com/apache/skywalking-python/pull/91

* Add Istio control plane otel MAL expressions and UI template
* Remove OpenCensus receiver, add OpenTelemetry receiver
* Transfer oc receiver to ot receiver
* Create indices on boot
* Document istio metrics and otel receiver
* Update CHANGES.md
* Fix potential NPE
* Add group to meter and cleanup istio mixer
* Update e2e case due to the change of meter metric name
* Update prometheus fetcher config, fix sql builder issue of h2
* Disable istio and so11y metrics by default.
* Fix micrometer testcase

* support spring-kafka 1.3.x and add test

* add spring-kafka-1.3.x-scenario to github workflow

* change kafka-plugin FAQ

* add supported versions

* update CHANGES.md

* fix transaction too large error when use TiDB as storage

* add CHANGES.md

* fix typo

* add tidb storage provider module.

* add e2e.

* revert ui submodule.

* fix license.

* Fix wrong health check test

* add tidb ttl e2e.
Co-authored-by: Nmoonsphere <moonsphere@m.com>
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>
Co-authored-by: Nkezhenxu94 <kezhenxu94@163.com>

fix misspelling words

* Provide `listMetrics` GraphQL query service.

* Update chagnelog.

* Support group in the service traffic and service list query.

* Support nested sidecar object in the scope.

* Update the changelog.

* Fix comments and docs.

Co-authored-by: NCai, Zhouxiang <zc31@illinois.edu>
Co-authored-by: NZhenxu Ke <kezhenxu94@apache.org>

Co-authored-by: Nhuliang <hl@yumeitech.com.cn>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* Add the plugin for mssql-jtds 1.x plugin.

* remove unused min date timebucket in jdbc delethistory logical.

* update CHANGES.md

* tangs 修改key识别为core
* Update CHANGES.md
Co-authored-by: N唐山 <tangs@dev.sgcc.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* sync ui: label fix in topology chart + dart-sass replacing node-sass

* Added change list to CHANGES.md
Co-authored-by: NMichał Kostrzewski <michal@revdebug.com>