## v1.19.0 release
Release of:

opentelemetry-api
opentelemetry-sdk
exporter packages

What's Changed

[PROMETHEUS_EXPORTER] Fix default for emitting otel_scope attributes by @yashykt in [PROMETHEUS_EXPORTER] Fix default for emitting otel_scope attributes open-telemetry/opentelemetry-cpp#3171
[Code health] Include what you use cleanup, part 5 by @marcalff in [Code health] Include what you use cleanup, part 5 open-telemetry/opentelemetry-cpp#3140
[BUILD] Upgrade cmake by @owent in [BUILD] Upgrade cmake open-telemetry/opentelemetry-cpp#3167
[SHIM] Fix string_view mappings between OT and OTel by @chusitoo in [SHIM] Fix string_view mappings between OT and OTel open-telemetry/opentelemetry-cpp#3181
[EXPORTER] Refactor ElasticSearchRecordable by @sjinks in [EXPORTER] Refactor ElasticSearchRecordable open-telemetry/opentelemetry-cpp#3164
[SEMANTIC CONVENTIONS] Upgrade to semantic conventions 1.29.0 by @marcalff in [SEMANTIC CONVENTIONS] Upgrade to semantic conventions 1.29.0 open-telemetry/opentelemetry-cpp#3182
[BUILD] Fix cross-compilation with protoc by @seanchann in [BUILD] Fix cross-compilation with protoc open-telemetry/opentelemetry-cpp#3186
[Code health] Perform cppcheck cleanup by @chusitoo in [Code health] Perform cppcheck cleanup open-telemetry/opentelemetry-cpp#3150
[EXPORTER] add instrumentation scope attributes to otlp proto messages for traces and metrics  by @dbarker in [EXPORTER] add instrumentation scope attributes to otlp proto messages for traces and metrics  open-telemetry/opentelemetry-cpp#3185
[SDK] Tracer provider shutdown blocks in-definitively by @marcalff in [SDK] Tracer provider shutdown blocks in-definitively open-telemetry/opentelemetry-cpp#3191
[SEMANTIC CONVENTIONS] Upgrade to weaver 0.11.0 by @marcalff in [SEMANTIC CONVENTIONS] Upgrade to weaver 0.11.0 open-telemetry/opentelemetry-cpp#3194
[DOC] Update existing maintaining dependencies doc by @zurex in [DOC] Update existing maintaining dependencies doc open-telemetry/opentelemetry-cpp#3195
[TEST] Change is_called_ and got_response_ to use atomic by @owent in [TEST] Change is_called_ and got_response_ to use atomic open-telemetry/opentelemetry-cpp#3204
[SEMANTIC CONVENTIONS] update links to openmetrics to reference the v1.0.0 release by @dashpole in [SEMANTIC CONVENTIONS] update links to openmetrics to reference the v1.0.0 release open-telemetry/opentelemetry-cpp#3205
[CI] Fix CI on ubuntu-latest by @marcalff in [CI] Fix CI on ubuntu-latest open-telemetry/opentelemetry-cpp#3207
[BUILD] Build break using protoc 3.14 by @marcalff in [BUILD] Build break using protoc 3.14 open-telemetry/opentelemetry-cpp#3211
[TEST] Build the singleton test on windows. by @marcalff in [TEST] Build the singleton test on windows. open-telemetry/opentelemetry-cpp#3183
[BUILD] Add cxx feature detections by @owent in [BUILD] Add cxx feature detections open-telemetry/opentelemetry-cpp#3203
[SDK] Do not frequently create and destroy http client threads by @xiehuc in [SDK] Do not frequently create and destroy http client threads open-telemetry/opentelemetry-cpp#3198
[EXPORTER] Optimize OTLP HTTP compression by @chusitoo in [EXPORTER] Optimize OTLP HTTP compression open-telemetry/opentelemetry-cpp#3178
[SDK] Fix include instrumentation scope attributes in equal method by @dbarker in [SDK] Fix include instrumentation scope attributes in equal method open-telemetry/opentelemetry-cpp#3214
Upgrade to opentelemetry-proto 1.5.0 by @marcalff in Upgrade to opentelemetry-proto 1.5.0 open-telemetry/opentelemetry-cpp#3210
[TEST] Added support for SELINUX in functional tests by @marcalff in [TEST] Added support for SELINUX in functional tests open-telemetry/opentelemetry-cpp#3212
[EDITORIAL] fix changelog entry for PR 3185 by @dbarker in [EDITORIAL] fix changelog entry for PR 3185 open-telemetry/opentelemetry-cpp#3217
[TEST] Functional tests for OTLP/gRPC with mutual TLS  by @chusitoo in [TEST] Functional tests for OTLP/gRPC with mutual TLS  open-telemetry/opentelemetry-cpp#3227
[SEMCONV] Metrics are incorrectly prefixed with metric. by @marcalff in [SEMCONV] Metrics are incorrectly prefixed with metric. open-telemetry/opentelemetry-cpp#3228
[BUILD] Add OTLP/file exporter for dll and examples by @owent in [BUILD] Add OTLP/file exporter for dll and examples open-telemetry/opentelemetry-cpp#3231
[Code Health] Include what you use, part 6 by @marcalff in [Code Health] Include what you use, part 6 open-telemetry/opentelemetry-cpp#3216
[CI] Spurious test failures by @marcalff in [CI] Spurious test failures open-telemetry/opentelemetry-cpp#3233
[BUILD] Fix error ‘uint8_t’ does not name a type with gcc-15 by @AngryLoki in [BUILD] Fix error ‘uint8_t’ does not name a type with gcc-15 open-telemetry/opentelemetry-cpp#3240
[EXPORTER] fix throw in OtlpGrpcMetricExporter with shared grpc client by @dbarker in [EXPORTER] fix throw in OtlpGrpcMetricExporter with shared grpc client open-telemetry/opentelemetry-cpp#3243
[SDK] Better control of threads executed by opentelemetry-cpp by @marcalff in [SDK] Better control of threads executed by opentelemetry-cpp open-telemetry/opentelemetry-cpp#3175
[Code Health] Include what you use, part 7 by @marcalff in [Code Health] Include what you use, part 7 open-telemetry/opentelemetry-cpp#3238
[SDK] Fix lifetime of GlobalLogHandler by @owent in [SDK] Fix lifetime of GlobalLogHandler open-telemetry/opentelemetry-cpp#3221
[MAINTAINER] Add devcontainer by @esigo in [MAINTAINER] Add devcontainer open-telemetry/opentelemetry-cpp#3123
[SDK] enable deriving from ResourceDetector to create a Resource by @dbarker in [SDK] enable deriving from ResourceDetector to create a Resource open-telemetry/opentelemetry-cpp#3247
[EXPORTER] Support handling retry-able errors for OTLP/HTTP by @chusitoo in [EXPORTER] Support handling retry-able errors for OTLP/HTTP open-telemetry/opentelemetry-cpp#3223
[CI] Add GRPC in maintainer CI by @marcalff in [CI] Add GRPC in maintainer CI open-telemetry/opentelemetry-cpp#3248
[EXPORTER] Support handling retry-able errors for OTLP/gRPC by @chusitoo in [EXPORTER] Support handling retry-able errors for OTLP/gRPC open-telemetry/opentelemetry-cpp#3219
[SDK] Optimize Metric Processing for Single Collector with Delta Temporality by @lalitb in [SDK] Optimize Metric Processing for Single Collector with Delta Temporality open-telemetry/opentelemetry-cpp#3236
[RELEASE] release opentelemetry-cpp 1.19.0 by @marcalff in [RELEASE] release opentelemetry-cpp 1.19.0 open-telemetry/opentelemetry-cpp#3249

New Features


[SDK] Better control of threads executed by opentelemetry-cpp

#3175

This feature is experimental,

protected by a WITH_THREAD_INSTRUMENTATION_PREVIEW

flag in CMake.



[EXPORTER] Support handling retry-able errors for OTLP/HTTP

#3223

This feature is experimental,

protected by a WITH_OTLP_RETRY_PREVIEW

flag in CMake.



[EXPORTER] Support handling retry-able errors for OTLP/gRPC

#3219

This feature is experimental,

protected by a WITH_OTLP_RETRY_PREVIEW

flag in CMake.



Deprecations

This release contains deprecations, see file DEPRECATED.md for details.

New Contributors

@dbarker made their first contribution in [EXPORTER] add instrumentation scope attributes to otlp proto messages for traces and metrics  open-telemetry/opentelemetry-cpp#3185
@zurex made their first contribution in [DOC] Update existing maintaining dependencies doc open-telemetry/opentelemetry-cpp#3195
@xiehuc made their first contribution in [SDK] Do not frequently create and destroy http client threads open-telemetry/opentelemetry-cpp#3198
@AngryLoki made their first contribution in [BUILD] Fix error ‘uint8_t’ does not name a type with gcc-15 open-telemetry/opentelemetry-cpp#3240

Full Changelog: open-telemetry/opentelemetry-cpp@v1.18.0...v1.19.0