wu-sheng opened a new issue #4176: Remove all 5.x protocol and sw3 header from documents and codes URL: https://github.com/apache/skywalking/issues/4176 According to ### Deprecated services Deprecated service(s) are the gRPC services SkyWalking used before. In SkyWalking v6, in order to match the common concepts in CloudNative world, these services are deprecated. Although there services are still supported at this moment, but it will keep in supported at least before the end of 2019. ___ Now, it is 2020, we should remove all these permanently. If no objection, I will try to do this.
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