v1.38.0 (2024-10-10)

Traces

• Make all fields as identifying for Tracer. Previously attributes were omitted from being identifying.
  (#4161)
• Clarify that Export MUST NOT be called by simple and batching processors concurrently.
  (#4205)

Metrics

• Make all fields as identifying for Meter. Previously attributes were omitted from being identifying.
  (#4161)
• Add support for filtering attribute keys for streams via an exclude list.
  (#4188)
• Clarify that Enabled only applies to synchronous instruments.
  (#4211)
• Clarify that applying cardinality limits should be done after attribute filtering.
  (#4228)
• Mark cardinality limits as stable.
  (#4222)

Logs

• Make all fields as identifying for Logger. Previously attributes were omitted from being identifying.
  (#4161)
• Define Enabled parameters for Logger.
  (#4203)
  (#4221)
• Introduce initial placeholder for the new user-facing Logs API, adding references
  to existing API's informing of the coming changes while the definition is defined.
  (#4236)

Common

• Define equality for attributes and collection of attributes.
  (#4161)
• Update Instrumentation Scope glossary entry with correct identifying fields
  (#4244)

New Contributors

• @yuanyuanzhao3 made their first contribution in #4216
• @MSNev made their first contribution in #4236