v1.64.0/v0.158.0

Images and binaries here: https://github.com/open-telemetry/opentelemetry-collector-releases/releases/tag/v0.158.0

End User Changelog

🚀 New components 🚀

• processor/queuebatch: New queuebatchprocessor to replace the legacy batchprocessor. (#15047, #13582, #12022, #11308, #8272, #6046)
  New implementation is based exporterhelper, uses same configuration as sending_queue.

💡 Enhancements 💡

• cmd/mdatagen: Add first-class extended type aliases (int64, duration, opaque_string, id, opaque_map, etc.) to config schemas in metadata.yaml (#15513)
  Authors can now write type: int64, type: duration, type: opaque_string, type: id, or
  type: opaque_map directly as a property type in the config: section of metadata.yaml.
  Each alias expands to the correct JSON Schema representation and Go type automatically.
  Existing uses of standard JSON Schema types, format:, and x-customType: remain supported
  without migration.

• extension/memory_limiter: Promote the memory limiter extension to beta stability. (#14533)

🧰 Bug fixes 🧰

• cmd/mdatagen: Removes the extra line in the documentation.md around description (#15664)

• cmd/mdatagen: Auto-enable v1 metrics when legacy metric is enabled and v1 feature gate is on (#15650)
  When the v1 feature gate is enabled and a legacy metric is enabled, the corresponding
  v1 metric is now programmatically enabled so users don't need to add the v1 metric
  to their config.

• cmd/mdatagen: Fix incorrect collision warning for versioned metrics with different emitted names (#15648)
  Same name collision detection (type/attribute checks) was being used for versioned metrics
  with different names. This caused the legacy metric to be disabled which was incorrect and also
  a warning msg was being incorrectly logged that stated the metrics had the same name when in
  fact they had different names.

• cmd/mdatagen: Versioned metrics don't handle renamed attributes with same type (#15595)
  Versioned metrics need to support emitting legacy and latest attributes when the metric name is the same but the
  attributes names differ. This was not working when the attributes name changed but the type remained the same.
  Here we add support to versioned metrics with renamed attributes where those attributes have the same type.

• exporter/debug: Fix profile sample attribute formatting for non-string values (#15647)
  Previously, non-string values produced malformed output such as %!s(int64=42).
  Profile sample attributes now use the debug exporter's typed attribute format, such as Int(42).
  This will also change strings from hello-world to Str(hello-world).

• pkg/config/configtls: Fix goroutine and file descriptor leak when client_ca_file_reload is enabled (#9221)
  Every call to ServerConfig.LoadTLSConfig with client_ca_file_reload enabled started a
  file watcher goroutine that could never be stopped, since the reloader was not reachable
  from the returned *tls.Config. The client CA file is now checked for changes while TLS
  handshakes are served, at most once per second, matching how reload_interval already
  reloads the server certificate. No background goroutine is started, so nothing is left
  behind when a server is torn down and recreated.

API Changelog

🛑 Breaking changes 🛑

• pkg/xconfmap: Remove Validator and Validate (#15613)
  Use the equivalent symbols in confmap instead.

💡 Enhancements 💡

• cmd/mdatagen: Add first-class extended type aliases (int64, duration, opaque_string, id, opaque_map, etc.) to config schemas in metadata.yaml (#15513)
  Authors can now write type: int64, type: duration, type: opaque_string, type: id, or
  type: opaque_map directly as a property type in the config: section of metadata.yaml.
  Each alias expands to the correct JSON Schema representation and Go type automatically.
  Existing uses of standard JSON Schema types, format:, and x-customType: remain supported
  without migration.

• pkg/config/configgrpc: Mark configgrpc as stable (#9477)