v1.39.0/v0.133.0

Images and binaries here: https://github.com/open-telemetry/opentelemetry-collector-releases/releases/tag/v0.133.0

End User Changelog

🛑 Breaking changes 🛑

• all: Increase minimum Go version to 1.24 (#13627)

💡 Enhancements 💡

• otlphttpexporter: Add profiles_endpoint configuration option to allow custom endpoint for profiles data export (#13504)
  The profiles_endpoint configuration follows the same pattern as traces_endpoint, metrics_endpoint, and logs_endpoint.
  When specified, profiles data will be sent to the custom URL instead of the default {endpoint}/v1development/profiles.

• pdata: Add support for local memory pooling for data objects. (#13678)
  This is still an early experimental (alpha) feature. Do not recommended to be used production. To enable use "--featuregate=+pdata.useProtoPooling"

• pdata: Optimize CopyTo messages to avoid any copy when same source and destination (#13680)

• receiverhelper: New feature flag to make receiverhelper distinguish internal vs. downstream errors using new otelcol_receiver_failed_x and otelcol_receiver_requests metrics (#12207, #12802)
  This is a breaking change for the semantics of the otelcol_receiver_refused_metric_points, otelcol_receiver_refused_log_records and otelcol_receiver_refused_spans metrics.
  These new metrics and semantics are enabled through the receiverhelper.newReceiverMetrics feature gate.

• debugexporter: Add support for entity references in debug exporter output (#13324)

• pdata: Fix unnecessary allocation of a new state when adding new values to pcommon.Map (#13634)

• service: Implement refcounting for pipeline data owned memory. (#13631)
  This feature is protected by --featuregate=+pdata.useProtoPooling.

• service: Add a debug-level log message when a consumer returns an error. (#13357)

• xpdata: Optimize xpdata/context for persistent queue when only one value for key (#13636)

• otlpreceiver: Log the listening addresses of the receiver, rather than the configured endpoints. (#13654)

• pdata: Use the newly added proto marshaler/unmarshaler for the official proto Marshaler/Unmarshaler (#13637)
  If any problems observed with this consider to disable the featuregate --feature-gates=-pdata.useCustomProtoEncoding

• configtls: Enable X25519MLKEM768 as per draft-ietf-tls-ecdhe-mlkem (#13670)

🧰 Bug fixes 🧰

• exporterhelper: Prevent uncontrolled goroutines in batcher due to a incorrect worker pool behaviour. (#13689)
• service: Ensure the insecure configuration is accounted for when normalizing the endpoint. (#13691)
• configoptional: Allow validating nested types (#13579)
  configoptional.Optional now implements xconfmap.Validator
• batchprocessor: Fix UB in batch processor when trying to read bytes size after adding request to pipeline (#13698)
  This bug only happens id detailed metrics are enabled and also an async (sending queue enabled) exporter that mutates data is configure.

API Changelog

🛑 Breaking changes 🛑

• configgrpc: Set tcp as the default transport type (#13657)
  gRPC is generally used with HTTP/2, so this will simplify usage for most components.

🚩 Deprecations 🚩

• pdata/pprofile: Deprecate Profiles.ProfilesDictionary in favor of Profiles.Dictionary. (#13644)

💡 Enhancements 💡

• pdata: Add support for local memory pooling for data objects. (#13678)
  This is still an early experimental (alpha) feature. Do not recommended to be used production. To enable use "--featuregate=+pdata.useProtoPooling"

🧰 Bug fixes 🧰

• configoptional: Allow validating nested types (#13579)
  configoptional.Optional now implements xconfmap.Validator