Features
* Add experimental support for AWS lambda instrumentation [1193]
* Add support for span compression [1321]
* Auto-infer destination resources for easier instrumentation of new resources [1359]
* Add support for dropped span statistics [1327]
Bug fixes
* Ensure that Prometheus histograms are encoded correctly for APM Server [1354]
* Remove problematic (and duplicate) `event.dataset` from logging integrations [1365]
* Fix for memcache instrumentation when configured with a unix socket [1357]