Sourced from go.opentelemetry.io/otel/sdk/metric's releases.

Release v1.23.0-rc.1

This is a release candidate for the v1.23.0 release. That release is expected to include the v1 release of the following modules:

• go.opentelemetry.io/otel/bridge/opencensus
• go.opentelemetry.io/otel/bridge/opencensus/test
• go.opentelemetry.io/otel/example/opencensus
• go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc
• go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp
• go.opentelemetry.io/otel/exporters/stdout/stdoutmetric

See our versioning policy for more information about these stability guarantees.

Release v1.10.0

Added

• Support Go 1.19. (#3077) Include compatibility testing and document support. (#3077)
• Support the OTLP ExportTracePartialSuccess response; these are passed to the registered error handler. (#3106)
• Upgrade go.opentelemetry.io/proto/otlp from v0.18.0 to v0.19.0 (#3107)

Changed

• Fix misidentification of OpenTelemetry SpanKind in OpenTracing bridge (go.opentelemetry.io/otel/bridge/opentracing). (#3096)
• Attempting to start a span with a nil context will no longer cause a panic. (#3110)
• All exporters will be shutdown even if one reports an error (#3091)
• Ensure valid UTF-8 when truncating over-length attribute values. (#3156)

Release v1.6.3

Fixed

• Allow non-comparable global MeterProvider, TracerProvider, and TextMapPropagator types to be set. (#2772, #2773)

Release v1.6.2

1.6.2 - 2022-04-06

Changed

• Don't panic anymore when setting a global TracerProvider or TextMapPropagator to itself. (#2749)
• Upgrade go.opentelemetry.io/proto/otlp in go.opentelemetry.io/otel/exporters/otlp/otlptrace from v0.12.1 to v0.15.0. This replaces the use of the now deprecated InstrumentationLibrary and InstrumentationLibrarySpans types and fields in the proto library with the equivalent InstrumentationScope and ScopeSpans. (#2748)

Release v1.6.1

Fixed

• The go.opentelemetry.io/otel/schema/* packages now use the correct schema URL for their SchemaURL constant. Instead of using "https://opentelemetry.io/schemas/v<version>" they now use the correct URL without a v prefix, "https://opentelemetry.io/schemas/<version>". (#2743, #2744)

Security

• Upgrade go.opentelemetry.io/proto/otlp from v0.12.0 to v0.12.1. This includes an indirect upgrade of github.com/grpc-ecosystem/grpc-gateway which resolves a vulnerability from gopkg.in/yaml.v2 in version v2.2.3. (#2724, #2728)

... (truncated)

Sourced from go.opentelemetry.io/otel/sdk/metric's changelog.

[1.28.0/0.50.0/0.4.0] 2024-07-02

Added

• The IsEmpty method is added to the Instrument type in go.opentelemetry.io/otel/sdk/metric. This method is used to check if an Instrument instance is a zero-value. (#5431)
• Store and provide the emitted context.Context in ScopeRecords of go.opentelemetry.io/otel/sdk/log/logtest. (#5468)
• The go.opentelemetry.io/otel/semconv/v1.26.0 package. The package contains semantic conventions from the v1.26.0 version of the OpenTelemetry Semantic Conventions. (#5476)
• The AssertRecordEqual method to go.opentelemetry.io/otel/log/logtest to allow comparison of two log records in tests. (#5499)
• The WithHeaders option to go.opentelemetry.io/otel/exporters/zipkin to allow configuring custom http headers while exporting spans. (#5530)

Changed

• Tracer.Start in go.opentelemetry.io/otel/trace/noop no longer allocates a span for empty span context. (#5457)
• Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/example/otel-collector. (#5490)
• Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/example/zipkin. (#5490)
• Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/exporters/zipkin. (#5490)
  • The exporter no longer exports the deprecated "otel.library.name" or "otel.library.version" attributes.
• Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/sdk/resource. (#5490)
• Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/sdk/trace. (#5490)
• SimpleProcessor.OnEmit in go.opentelemetry.io/otel/sdk/log no longer allocates a slice which makes it possible to have a zero-allocation log processing using SimpleProcessor. (#5493)
• Use non-generic functions in the Start method of "go.opentelemetry.io/otel/sdk/trace".Trace to reduce memory allocation. (#5497)
• service.instance.id is populated for a Resource created with "go.opentelemetry.io/otel/sdk/resource".Default with a default value when OTEL_GO_X_RESOURCE is set. (#5520)
• Improve performance of metric instruments in go.opentelemetry.io/otel/sdk/metric by removing unnecessary calls to time.Now. (#5545)

Fixed

• Log a warning to the OpenTelemetry internal logger when a Record in go.opentelemetry.io/otel/sdk/log drops an attribute due to a limit being reached. (#5376)
• Identify the Tracer returned from the global TracerProvider in go.opentelemetry.io/otel/global with its schema URL. (#5426)
• Identify the Meter returned from the global MeterProvider in go.opentelemetry.io/otel/global with its schema URL. (#5426)
• Log a warning to the OpenTelemetry internal logger when a Span in go.opentelemetry.io/otel/sdk/trace drops an attribute, event, or link due to a limit being reached. (#5434)
• Document instrument name requirements in go.opentelemetry.io/otel/metric. (#5435)
• Prevent random number generation data-race for experimental rand exemplars in go.opentelemetry.io/otel/sdk/metric. (#5456)
• Fix counting number of dropped attributes of Record in go.opentelemetry.io/otel/sdk/log. (#5464)
• Fix panic in baggage creation when a member contains 0x80 char in key or value. (#5494)
• Correct comments for the priority of the WithEndpoint and WithEndpointURL options and their corresponding environment variables in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. (#5508)
• Retry trace and span ID generation if it generated an invalid one in go.opentelemetry.io/otel/sdk/trace. (#5514)
• Fix stale timestamps reported by the last-value aggregation. (#5517)
• Indicate the Exporter in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp must be created by the New method. (#5521)
• Improved performance in all {Bool,Int64,Float64,String}SliceValue functions of go.opentelemetry.io/attributes by reducing the number of allocations. (#5549)

[1.27.0/0.49.0/0.3.0] 2024-05-21

Added

• Add example for go.opentelemetry.io/otel/exporters/stdout/stdoutlog. (#5242)
• Add RecordFactory in go.opentelemetry.io/otel/sdk/log/logtest to facilitate testing exporter and processor implementations. (#5258)
• Add RecordFactory in go.opentelemetry.io/otel/log/logtest to facilitate testing bridge implementations. (#5263)
• The count of dropped records from the BatchProcessor in go.opentelemetry.io/otel/sdk/log is logged. (#5276)

... (truncated)

• 81216fb Releases v1.28.0/v0.50.0/v0.4.0 (#5569)
• 8279a1a Add @​XSAM and @​dmathieu as repository maintainers (#5558)
• cff1a25 chore(deps): update otel/opentelemetry-collector-contrib docker tag to v0.104...
• 0485de2 Move time.Now call into exemplar reservoir to improve performance (#5545)
• 1cefb17 chore(deps): update google.golang.org/genproto/googleapis/rpc digest to f6361...
• 874f2a2 chore(deps): update google.golang.org/genproto/googleapis/api digest to f6361...
• b477e34 sdk/log: Add filtering Processor example (#5543)
• d7e5001 sdk/log: Fix ExampleProcessor_redact to clone the record (#5559)
• 4987a1d Split the span start/end benchmarks and test start with links and attributes ...
• 82fe9aa Generate internal/transform in otlploggrpc (#5553)
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