Bugfixes

• [BUGFIX] Bring back application-json content-type header. #4123 (@javiermolinar)

Changes

• [CHANGE] BREAKING CHANGE tempo-query is no longer a jaeger instance with grpcPlugin. Its now a standalone server. Serving a grpc api for jaeger on 0.0.0.0:7777 by default. #3840 (@frzifus)

Enhancements

• [ENHANCEMENT] Register gRPC health server to tempo-query #4178 (@frzifus)
• [ENHANCEMENT] Support Tempo on IBM s390x #4175 (@pavolloffay)
• [ENHANCEMENT] tempo-query: separate tls settings for server and client #4177 (@frzifus)
• [ENHANCEMENT] Speedup tempo-query trace search by allowing parallel queries #4159 (@pavolloffay)