Release v1.16.0

v1.16.0 (2022-12-08)

Context

• No changes.

Traces

• No changes.

Metrics

• Define Experimental MetricProducer as a third-party provider of metric data to MetricReaders.
  (#2951)
• Add OTLP exporter temporality preference named "LowMemory" which
  configures Synchronous Counter and Histogram instruments to use
  Delta aggregation temporality, which allows them to shed memory
  following a cardinality explosion, thus use less memory.
  (#2961)

Logs

• Clarification on what an Event is, and what the event.domain and event.name attributes represent
  (#2848)
• Move event.domain from InstrumentationScope attributes to LogRecord
  attributes.
  (#2940)
• Split out Event API from Log API
  (#2941)
• Clarify data modification in LogRecordProcessor.
  (#2969)
• Make sure it is very clear we are not building a Logging API.
  (#2966)

Resource

• Extend Cloud Platform Enum with OpenShift entry for all supported cloud providers.
  (#2985)

Semantic Conventions

• Add process.runtime.jvm.gc.duration metric to semantic conventions.
  (#2903)
• Make http.status_code metric attribute an int.
  (#2943)
• Add IBM Cloud as a cloud provider.
  (#2965)
• Add semantic conventions for Feature Flags
  (#2529)
• Rename rpc.request.metadata.<key> and rpc.response.metadata.<key> to
  rpc.grpc.request.metadata.<key> and rpc.grpc.response.metadata.<key>
  (#2981)
• List the machine-id as potential source for a unique host.id
  (#2978)
• Add messaging.kafka.message.offset attribute.
  (#2982)
• Update hardware metrics to use direction as per general semantic conventions
  (#2942)

Compatibility

• Add OpenCensus metric bridge specification.
  (#2979)

OpenTelemetry Protocol

• No changes.

SDK Configuration

• Specify handling of invalid numeric environment variables
  (#2963)

Telemetry Schemas

• No changes.

Common

• No changes.

New Contributors

• @frzifus made their first contribution in #2965
• @beeme1mr made their first contribution in #2529

Full Changelog: v1.15.0...v1.16.0