Bump io.opentelemetry:opentelemetry-bom-alpha from 1.38.0-alpha to 1.39.0-alpha

[dependabot]

Bumps io.opentelemetry:opentelemetry-bom-alpha from 1.38.0-alpha to 1.39.0-alpha.

Release notes

Sourced from io.opentelemetry:opentelemetry-bom-alpha's releases.

Version 1.38.0

API

• Stabilize synchronous gauge (#6419)

Incubator

• Add put(AttributeKey, T) overload to EventBuilder (#6331)

Baggage

• Baggage filters space-only keys (#6431)

SDK

• Add experimental scope config to enable / disable scopes (i.e. meter, logger, tracer) (#6375)

Traces

• Add ReadableSpan#getAttributes (#6382)
• Use standard ArrayList size rather than max number of links for initial span links allocation (#6252)

Metrics

• Use low precision Clock#now when computing timestamp for exemplars (#6417)
• Update invalid instrument name log message now that forward slash / is valid (#6343)

Exporters

• Introduce low allocation OTLP marshalers. If using autoconfigure, opt in via OTEL_JAVA_EXPERIMENTAL_EXPORTER_MEMORY_MODE=REUSABLE_DATA.
  • Low allocation OTLP logs marshaler (#6429)
  • Low allocation OTLP metrics marshaler (#6422)
  • Low allocation OTLP trace marshaler (#6410)
  • Add memory mode support to OTLP exporters (#6430)
  • Marshal span status description without allocation (#6423)
  • Add private constructors for stateless marshalers (#6434)
• Mark opentelemetry-exporter-sender-jdk stable (#6357)
• PrometheusHttpServer prevent concurrent reads when reusable memory mode (#6371)
• Ignore TLS components (SSLContext, TrustManager, KeyManager) if plain HTTP protocol is used for exporting (#6329)
• Add is_remote_parent span flags to OTLP exported Spans and SpanLinks (#6388)
• Add missing fields to OTLP metric exporters toString() (#6402)

Extensions

• Rename otel.config.file to otel.experimental.config.file for autoconfigure (#6396)

OpenCensus Shim

• Fix opencensus shim spanBuilderWithRemoteParent behavior (#6415)

... (truncated)

Changelog

Sourced from io.opentelemetry:opentelemetry-bom-alpha's changelog.

Changelog

Unreleased

Version 1.39.0 (2024-06-07)

API

Incubator

• BREAKING: Refactor ExtendedTracer, ExtendedSpanBuilder to reflect incubating API conventions (#6497)

SDK

Exporter

• BREAKING: Serve prometheus metrics only on /metrics by default. To restore the previous behavior and serve metrics on all paths, override the default handler as demonstrated here. (#6476)
• Make OTLP exporter memory mode API public (#6469)
• Speed up OTLP string marshaling using sun.misc.Unsafe (#6433)
• Add exporter data classes for experimental profiling signal type. (#6374)
• Start prometheus http server with daemon thread (#6472)
• Update the Prometheus metrics library and improve how units are included in metric names. (#6473)
• Remove android animalsniffer check from prometheus exporter (#6478)

Extensions

• Load file config YAML using core schema, ensure that env var substitution retains string types. (#6436)
• Define dedicated file configuration SPI ComponentProvider (#6457)

Tooling

• Normalize timestamps and file ordering in jars, making the outputs reproducible (#6471)
• GHA for generating the post-release pull request (#6449)

Version 1.38.0 (2024-05-10)

... (truncated)

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