Improvements

• Added support for jax-rs AsyncResponse #1017
• Added support for Spring Data Repositories #1014
• Added additional tags for Couchbase spans #996
• Better support for CompletableFuture async trace propagation #1008
• Reduce overhead in url processing #1000
• Reduce overhead when collecting many spans in a single trace #1038
• Optimized parsing of ID's, avoiding BigInteger if possible #1016
• Reduce object creation in Apache Http Client #998
• Async trace propagation in JAX-RS annotated methods #999
• Async trace propagation in @Trace annotated methods #1031
• Tracer debug logging can now be enabled using the following settings: #1033 (Thanks @cecile75)
  • System Property: -Ddd.trace.debug=true
  • Environment Variable: DD_TRACE_DEBUG=true

Changes

• Reduce memory overhead with smaller cache size and use soft references #1039
• Upgrade Jackson to 2.10.0 #1035
• Update Byte Buddy to 1.10.1 #1027
• Update integrations core submodule to 6.14.0 #1009

Fixes

• Async dispatch for Jetty QueuedThreadPool #1005
• Couchbase Async Subscriptions (RxJava) #995
• Avoid duplicate reporting of trace analytics for spring and ratpack spans #1022
• OSGi bootstrap delegation property #1029
• Adding baggage caused UnsupportedOperationException #1037 (Thanks @william-tran for the contribution.)