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@github-actions github-actions released this 29 Jan 09:37
v0.43.0
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v0.43.0

This release includes version 0.144.0 of the upstream Collector components.

The individual upstream Collector changelogs can be found here:

Highlights from the upstream Collector changelog

🛑 Breaking Changes 🛑

  • pkg/config/confighttp: Replace ServerConfig.Endpoint with NetAddr confignet.AddrConfig, enabling more flexible transport configuration. (#14187, #8752)
    This change adds "transport" as a configuration option, allowing users to specify
    different transport protocols (e.g., "tcp", "unix").
  • pkg/exporterhelper: Change verbosity level for otelcol_exporter_queue_batch_send_size metric to detailed. (#14278)
  • pkg/service: Remove deprecated telemetry.disableHighCardinalityMetrics feature gate. (#14373)
  • pkg/service: Remove deprecated service.noopTracerProvider feature gate. (#14374)
  • processor/tail_sampling: Deprecated invert decisions disabled by default (use drop policies). (#44132)
  • exporter/kafka: Remove Sarama producer; Franz-go now required. (#44565)
  • receiver/kafka: Remove Sarama consumer and default_fetch_size; Franz-go now required. (#44564)
  • all: Add Unix socket support to HTTP server components. #45308
    HTTP server components (namely receivers) now support listening on Unix domain sockets in addition to TCP addresses, by configuring transport: unix and setting endpoint to a Unix socket path.
    This is a breaking change to the config structs, but is not breaking for end users. Existing YAML configuration options remain unchanged.

🚩 Deprecations 🚩

  • exporter/otlp_grpc: Rename otlp → otlp_grpc; add deprecated alias otlp. (#14403)
  • exporter/otlp_http: Rename otlphttp → otlp_http; add deprecated alias otlphttp. (#14396)

💡 Enhancements 💡

  • processor/tail_sampling: New decision_wait_after_root_received option. (#43876)
  • processor/k8sattributes: Bump semconv to v1.39.0. (#45447)
  • processor/redaction: Added sanitize_span_name and ignored_key_patterns. (#44228.
  • processor/redaction: Add ignored_key_patterns configuration option to allow ignoring keys by regex pattern #44657).
  • processor/resourcedetection: Add optional docker attributes(#44898
    Add container.image.name and container.name optional resource attributes with the docker detector.
  • receiver/prometheus: Associate scraped _created per OpenMetricsText spec; add troubleshooting/best-practices guide. (#45291,
  • receiver/prometheus: Add comprehensive troubleshooting and best practices guide to Prometheus receiver README #44925)

🧰 Bug Fixes 🧰

  • pkg/exporterhelper: Fix partition batcher refcount. (#14444)
  • exporter/kafka: franz-go: Exclude non-produce metrics from kafka_exporter_write_latency and kafka_exporter_latency (#45258)
  • pkg/kafka/configkafka: Fix consumer group rebalance strategy validation #45268
  • pkg/ottl: Fix numeric parsing to correctly handle signed numbers in math expressions. #45222
    The OTTL math expression parser did not correctly handle unary signs for plus and minus. Expressions like 3-5 would not parse correctly without inserting spaces to make it 3 - 5. This change moves the sign handling out of the lexer and into the parser.
  • pkg/ottl: Handle floating constants with decimal point but no fraction. #45222
    Floating point constants that had a decimal point but no fractional digits (e.g., "3.") were not handled properly and could crash the parser. These are now parsed as valid floating point numbers.
  • pkg/stanza: Fix Windows UNC network path handling in filelog receiver #44401
    The filelog receiver now correctly handles Windows UNC network paths (e.g., \server\share\logs*.log). Previously, the receiver could list files from network shares but failed to open them due to path corruption during normalization. This fix converts UNC paths to Windows extended-length format (\?\UNC\server\share\path) which is more reliable and not affected by filepath.Clean() issues.
  • pkg/stanza: Ensure container parser respects the if condition and on_error settings when format detection fails #41508
  • processor/resourcedetection: Prevent the resource detection processor from panicking when detectors return a zero-valued pdata resource.(#41934)
  • processor/resourcedetection: Fix nil pointer panic when HTTP client creation fails in Start method. (#45220)
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