with this pull request we have rewritten the whole Sleuth internals to use Brave. That way we can leverage all the functionalities & instrumentations that Brave already has (https://github.com/openzipkin/brave/tree/master/instrumentation). Migration guide is available here: https://github.com/spring-cloud/spring-cloud-sleuth/wiki/Spring-Cloud-Sleuth-2.0-Migration-Guide fixes #711 - Brave instrumentation fixes #92 - we move to Brave's Sampler fixes #143 - Brave is capable of passing context fixes #255 - we've moved away from Zipkin Stream server fixes #305 - Brave has GRPC instrumentation (https://github.com/openzipkin/brave/tree/master/instrumentation/grpc) fixes #459 - Brave (openzipkin/brave#510) & Zipkin (openzipkin/zipkin#1754) will deal with the AWS XRay instrumentation fixes #577 - Messaging instrumentation has been rewritten