micrometer tracing v1.8.0-RC2

See the 1.8 migration guide.

:warning: Noteworthy

• Avoid tagging spans when retrieving OTel baggage and document behavior #1639
• BaggageTextMapPropagator#inject should use the passed Context #1617

:star: New Features

• Reduce allocation in OTel baggage reads #1647
• Reuse no-op scopes in the OTel bridge #1646
• Stop automatically setting OpenTelemetry span status to OK #1640
• Avoid tagging spans when retrieving OTel baggage and document behavior #1639
• Reduce overhead when creating OTel baggage scopes #1635
• Fix OTel context retention and simplify span scoping #1599

:lady_beetle: Bug Fixes

• Include tag-only fields in OTel Observation baggage #1638
• BaggageTextMapPropagator#inject should use the passed Context #1617
• Preserve OTel trace contexts when updating baggage #1615
• Push a separate SpanAction when ObservationAwareSpanThreadLocalAccessor clears the span #1614

:notebook_with_decorative_cover: Documentation

• Document span and baggage scopes with shared bridge tests #1633

:hammer: Dependency Upgrades

• Upgrade to Micrometer 1.18.0-RC2 #1645

:heart: Contributors

Thank you to all the contributors who worked on this release:

@MateuszNaKodach

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Source micrometer-metrics/tracing · v1.8.0-RC2 · 2026-11-05 · upstream release

Mirrored verbatim for indexing. All rights belong to the upstream project.