• [FEATURE] Add monitoring.aggregate-deltas and monitoring.aggregate-deltas-ttl flags which allow aggregating DELTA
  metrics as counters instead of a gauge #168
• [FEATURE] Add web.stackdriver-telemetry-path flag. When configured the stackdriver metrics go to this endpoint and
  web.telemetry-path contain just the runtime metrics. #173
• [ENHANCEMENT] Make Stackdriver main collector more library-friendly #157
• [BUGFIX] Fixes suspected duplicate label panic for some GCP metric #153
• [BUGFIX] Metrics-ingest-delay bugfix #151
• [BUGFIX] Fix data race on metricDescriptorsFunction start and end times #158