v1.19.0 (2023-03-06)

Context

• No changes.

Traces

• No changes.

Metrics

• Add unit to View's Instrument selection criteria.
  (#3184)
• Add metric requirement levels "Required", "Recommended", and "Opt-In".
  (#3237)

Logs

• Rename Logs API to Logs Bridge API to prevent confusion.
  (#3197)
• Move event language from log README to event-api.
  (#3252)

Resource

• Clarify how to collect host.id for non-containerized systems.
  (#3173)

Semantic Conventions

• Move X-Ray Env Variable propagation to span link instead of parent for AWS Lambda.
  (#3166)
• Add heroku resource semantic conventions.
  #3075
• BREAKING: Rename faas.execution to faas.invocation_id
  (#3209)
• BREAKING: Change faas.max_memory units to Bytes instead of MB
  (#3209)
• BREAKING: Expand scope of faas.id to cloud.resource_id
  (#3188)
• Add Connect RPC specific conventions
  (#3116)
• Rename JVM metric attribute value from nonheap to non_heap
  (#3250)
• Mark the attribute naming guidelines in the specification as stable.
  (#3220)
• Mark telemetry schema readme stable.
  (#3221)
• Remove mention of net.transport from HTTP semantic conventions
  (#3244)
• Clarifies that if an HTTP client request is explicitly made to an IP address, e.g. http://x.x.x.x:8080, then net.peer.name SHOULD be the IP address x.x.x.x
  (#3276)
• Mark net.sock.host.port as conditionally required.
  (#3246)
• Rename Optional attribute requirement level to Opt-In.
  (#3228)
• Rename http.user_agent to user_agent.original.
  (#3190)
• Expand the declaration of pool.name.
  (#3050)

Compatibility

• Update Zipkin remoteEndpoint preferences.
  (#3087)

OpenTelemetry Protocol

• Declare OTLP/JSON Stable.
  (#2930)

SDK Configuration

• No changes.

Telemetry Schemas

• No changes.

Common

• No changes.

New Contributors

• @martinknechtel made their first contribution in #3159
• @joshcarp made their first contribution in #3116
• @asafm made their first contribution in #3184
• @moonbox3 made their first contribution in #3121
• @haddasbronfman made their first contribution in #3050
• @braydonk made their first contribution in #3207