v0.120.0

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🛑 Breaking changes 🛑

• all: Added support for go1.24, bumped minimum version to 1.23 (#​12370)
• mdatagen: Removing deprecated generated funcs and a few test funcs as well. (#​12304)
• service: Align component logger attributes with those defined in RFC (#​12217)
  See Pipeline Component Telemetry RFC

💡 Enhancements 💡

• otlpreceiver: Update stability for logs (#​12335)
• exporterhelper: Implement sync disabled queue used when batching is enabled. (#​12245)
• exporterhelper: Enable the new pull-based batcher in exporterhelper (#​12291)
• exporterhelper: Update queue size after the element is done exported (#​12399)
  After this change the active queue size will include elements in the process of being exported.
• otelcol: Add featuregate command to display information about available features (#​11998)
  The featuregate command allows users to view detailed information about feature gates
  including their status, stage, and description.

🧰 Bug fixes 🧰

• memorylimiter: Logger no longer attributes to single signal, pipeline, or component. (#​12217)
• otlpreceiver: Logger no longer attributes to random signal when receiving multiple signals. (#​12217)
• exporterhelper: Fix undefined behavior access to request after send to next component. This causes random memory access. (#​12281)
• exporterhelper: Fix default batcher to correctly call all done callbacks exactly once (#​12247)
• otlpreceiver: Fix OTLP http receiver to correctly set Retry-After (#​12367)
• otlphttpexporter: Fix parsing logic for Retry-After in OTLP http protocol. (#​12366)
  The value of Retry-After field can be either an HTTP-date or delay-seconds and the current logic only parsed delay-seconds.
• cmd/builder: Ensure unique aliases for modules with same suffix (#​12201)

v0.119.0

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🛑 Breaking changes 🛑

• exporterhelper: Rename exporter span signal specific attributes (e.g. "sent_spans" / "send_failed_span") to "items.sent" / "items.failed". (#​12165)
• cmd/mdatagen: Remove dead field telemetry::level (#​12144)
• exporterhelper: Change exporter ID to be a Span level attribute instead on each event. (#​12164)
  This does not have an impact on the level of information emitted, but on the structure of the Span.
• cmd/mdatagen: Remove level field from metrics definition (#​12145)
  This mechanism will be added back once a new views mechanism is implemented.

💡 Enhancements 💡

• configtls: Allow users to mention their preferred curve types for ECDHE handshake (#​12174)
• service: remove custom code and instead use config package to instantiate meter provider. (#​11611)
• otelcol: Adds support for listing config providers in components command's output (#​11570)
• general: Reduce memory allocations when loading configuration and parsing component names (#​11964)

🧰 Bug fixes 🧰

• exporterhelper: Fix bug that the exporter with new batcher may have been marked as non mutation. (#​12239)
  Only affects users that manually turned on exporter.UsePullingBasedExporterQueueBatcher featuregate.

• service: Preserve URL normalization logic that was present before. (#​12254)

• confighttp: confighttp.ToServer now sets ErrorLog with a default logger backed by Zap (#​11820)

  This change ensures that the http.Server's ErrorLog is correctly set using Zap's logger at the error level, addressing the issue of error logs being printed using a different logger.

• exporterhelper: Fix context propagation for DisabledBatcher (#​12231)

• mdatagen: apply fieldalignment to generated code (#​12125)

• mdatagen: Fix bug where Histograms were marked as not supporting temporaly aggregation (#​12168)

• exporterhelper: Fix MergeSplit issue that ignores the initial message size. (#​12257)

• service: Include validation errors from telemetry.Config when validating the service config (#​12100)
  Previously validation errors were only printed to the console

• service-telemetry: pass the missing async error channel into service telemetry settings (#​11417)