Does AppEngine Cloud Trace require AppStats?

google-app-engine,appstats,google-app-engine-python,google-cloud-trace

Cloud Trace is in beta, meaning "it's not covered by any SLA or deprecation policy and may be subject to backward-incompatible changes", while AppStats is a supported component of App Engine. The implication, to me, is that you probably should not yet depend on Cloud Trace in production applications, but...