Released 2019-03-11
- Fix gRPC client tracer reuse bug
([539](https://github.com/census-instrumentation/opencensus-python/pull/539))
- Update prometheus client and fix multiple bugs in the exporter
([492](https://github.com/census-instrumentation/opencensus-python/pull/492))
- Remove min and max from `Distribution`
([501](https://github.com/census-instrumentation/opencensus-python/pull/501))
- Replace stackdriver `gke_container` resources, see the [GKE migration
notes](https://cloud.google.com/monitoring/kubernetes-engine/migration#incompatible)
for details
- Componentize the package distribution. All [contrib
packages](https://github.com/census-instrumentation/opencensus-python/tree/master/contrib/)
are now decoupled from the core library, and can be released separately.