open-telemetry/opentelemetry-go (go.opentelemetry.io/otel)
### [`v1.25.0`](https://togithub.com/open-telemetry/opentelemetry-go/releases/tag/v1.25.0): /v0.47.0/v0.0.8/v0.1.0-alpha
[Compare Source](https://togithub.com/open-telemetry/opentelemetry-go/compare/v1.24.0...v1.25.0)
##### Added
- Add `WithProxy` option in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`. ([#4906](https://togithub.com/open-telemetry/opentelemetry-go/issues/4906))
- Add `WithProxy` option in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlptracehttp`. ([#4906](https://togithub.com/open-telemetry/opentelemetry-go/issues/4906))
- Add `AddLink` method to the `Span` interface in `go.opentelemetry.io/otel/trace`. ([#5032](https://togithub.com/open-telemetry/opentelemetry-go/issues/5032))
- The `Enabled` method is added to the `Logger` interface in `go.opentelemetry.io/otel/log`.
This method is used to notify users if a log record will be emitted or not. ([#5071](https://togithub.com/open-telemetry/opentelemetry-go/issues/5071))
- Add `SeverityUndefined` `const` to `go.opentelemetry.io/otel/log`.
This value represents an unset severity level. ([#5072](https://togithub.com/open-telemetry/opentelemetry-go/issues/5072))
- Add `Empty` function in `go.opentelemetry.io/otel/log` to return a `KeyValue` for an empty value. ([#5076](https://togithub.com/open-telemetry/opentelemetry-go/issues/5076))
- Add `go.opentelemetry.io/otel/log/global` to manage the global `LoggerProvider`.
This package is provided with the anticipation that all functionality will be migrate to `go.opentelemetry.io/otel` when `go.opentelemetry.io/otel/log` stabilizes.
At which point, users will be required to migrage their code, and this package will be deprecated then removed. ([#5085](https://togithub.com/open-telemetry/opentelemetry-go/issues/5085))
- Add support for `Summary` metrics in the `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp` and `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc` exporters. ([#5100](https://togithub.com/open-telemetry/opentelemetry-go/issues/5100))
- Add `otel.scope.name` and `otel.scope.version` tags to spans exported by `go.opentelemetry.io/otel/exporters/zipkin`. ([#5108](https://togithub.com/open-telemetry/opentelemetry-go/issues/5108))
- Add support for `AddLink` to `go.opentelemetry.io/otel/bridge/opencensus`. ([#5116](https://togithub.com/open-telemetry/opentelemetry-go/issues/5116))
- Add `String` method to `Value` and `KeyValue` in `go.opentelemetry.io/otel/log`. ([#5117](https://togithub.com/open-telemetry/opentelemetry-go/issues/5117))
- Add Exemplar support to `go.opentelemetry.io/otel/exporters/prometheus`. ([#5111](https://togithub.com/open-telemetry/opentelemetry-go/issues/5111))
- Add metric semantic conventions to `go.opentelemetry.io/otel/semconv/v1.24.0`. Future `semconv` packages will include metric semantic conventions as well. ([#4528](https://togithub.com/open-telemetry/opentelemetry-go/issues/4528))
##### Changed
- `SpanFromContext` and `SpanContextFromContext` in `go.opentelemetry.io/otel/trace` no longer make a heap allocation when the passed context has no span. ([#5049](https://togithub.com/open-telemetry/opentelemetry-go/issues/5049))
- `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc` and `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc` now create a gRPC client in idle mode and with "dns" as the default resolver using [`grpc.NewClient`](https://pkg.go.dev/google.golang.org/grpc#NewClient). ([#5151](https://togithub.com/open-telemetry/opentelemetry-go/issues/5151))
Because of that `WithDialOption` ignores [`grpc.WithBlock`](https://pkg.go.dev/google.golang.org/grpc#WithBlock), [`grpc.WithTimeout`](https://pkg.go.dev/google.golang.org/grpc#WithTimeout), and [`grpc.WithReturnConnectionError`](https://pkg.go.dev/google.golang.org/grpc#WithReturnConnectionError).
Notice that [`grpc.DialContext`](https://pkg.go.dev/google.golang.org/grpc#DialContext) which was used before is now deprecated.
##### Fixed
- Clarify the documentation about equivalence guarantees for the `Set` and `Distinct` types in `go.opentelemetry.io/otel/attribute`. ([#5027](https://togithub.com/open-telemetry/opentelemetry-go/issues/5027))
- Prevent default `ErrorHandler` self-delegation. ([#5137](https://togithub.com/open-telemetry/opentelemetry-go/issues/5137))
- Update all dependencies to address [GO-2024-2687]. ([#5139](https://togithub.com/open-telemetry/opentelemetry-go/issues/5139))
##### Removed
- Drop support for [Go 1.20]. ([#4967](https://togithub.com/open-telemetry/opentelemetry-go/issues/4967))
##### Deprecated
- Deprecate `go.opentelemetry.io/otel/attribute.Sortable` type. ([#4734](https://togithub.com/open-telemetry/opentelemetry-go/issues/4734))
- Deprecate `go.opentelemetry.io/otel/attribute.NewSetWithSortable` function. ([#4734](https://togithub.com/open-telemetry/opentelemetry-go/issues/4734))
- Deprecate `go.opentelemetry.io/otel/attribute.NewSetWithSortableFiltered` function. ([#4734](https://togithub.com/open-telemetry/opentelemetry-go/issues/4734))
[Go 1.20]: https://go.dev/doc/go1.20
[GO-2024-2687]: https://pkg.go.dev/vuln/GO-2024-2687
#### New Contributors
- [@tgolang](https://togithub.com/tgolang) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/5048](https://togithub.com/open-telemetry/opentelemetry-go/pull/5048)
- [@MickaelAlliel](https://togithub.com/MickaelAlliel) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4906](https://togithub.com/open-telemetry/opentelemetry-go/pull/4906)
- [@s4s7](https://togithub.com/s4s7) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/5096](https://togithub.com/open-telemetry/opentelemetry-go/pull/5096)
- [@Kielek](https://togithub.com/Kielek) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/5108](https://togithub.com/open-telemetry/opentelemetry-go/pull/5108)
- [@q-cheng](https://togithub.com/q-cheng) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/5032](https://togithub.com/open-telemetry/opentelemetry-go/pull/5032)
- [@carrbs](https://togithub.com/carrbs) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4880](https://togithub.com/open-telemetry/opentelemetry-go/pull/4880)
**Full Changelog**: https://github.com/open-telemetry/opentelemetry-go/compare/v1.24.0...v1.25.0
### [`v1.24.0`](https://togithub.com/open-telemetry/opentelemetry-go/releases/tag/v1.24.0): /v0.46.0/v0.0.1-alpha
[Compare Source](https://togithub.com/open-telemetry/opentelemetry-go/compare/v1.23.1...v1.24.0)
This release is the last to support [Go 1.20]. The next release will require at least [Go 1.21].
##### Added
- Support [Go 1.22]. ([#4890](https://togithub.com/open-telemetry/opentelemetry-go/issues/4890))
- Add exemplar support to `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`. ([#4900](https://togithub.com/open-telemetry/opentelemetry-go/issues/4900))
- Add exemplar support to `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`. ([#4900](https://togithub.com/open-telemetry/opentelemetry-go/issues/4900))
- The `go.opentelemetry.io/otel/log` module is added. This module includes OpenTelemetry Go's implementation of the Logs Bridge API. This module is in an alpha state, it is subject to breaking changes. See our [versioning policy](./VERSIONING.md) for more info. ([#4961](https://togithub.com/open-telemetry/opentelemetry-go/issues/4961))
##### Fixed
- Fix registration of multiple callbacks when using the global meter provider from `go.opentelemetry.io/otel`. ([#4945](https://togithub.com/open-telemetry/opentelemetry-go/issues/4945))
- Fix negative buckets in output of exponential histograms. ([#4956](https://togithub.com/open-telemetry/opentelemetry-go/issues/4956))
##### New Contributors
- [@kevinburkesegment](https://togithub.com/kevinburkesegment) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4920](https://togithub.com/open-telemetry/opentelemetry-go/pull/4920)
- [@yizeng](https://togithub.com/yizeng) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4947](https://togithub.com/open-telemetry/opentelemetry-go/pull/4947)
- [@ntriamme](https://togithub.com/ntriamme) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4945](https://togithub.com/open-telemetry/opentelemetry-go/pull/4945)
- [@ericayin](https://togithub.com/ericayin) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4956](https://togithub.com/open-telemetry/opentelemetry-go/pull/4956)
**Full Changelog**: https://github.com/open-telemetry/opentelemetry-go/compare/v1.23.1...v1.24.0
[Go 1.22]: https://go.dev/doc/go1.22
[Go 1.21]: https://go.dev/doc/go1.21
[Go 1.20]: https://go.dev/doc/go1.20
### [`v1.23.1`](https://togithub.com/open-telemetry/opentelemetry-go/releases/tag/v1.23.1): /v0.45.2
[Compare Source](https://togithub.com/open-telemetry/opentelemetry-go/compare/v1.23.0...v1.23.1)
##### Fixed
- Register all callbacks passed during observable instrument creation instead of just the last one multiple times in `go.opentelemetry.io/otel/sdk/metric`. ([#4888](https://togithub.com/open-telemetry/opentelemetry-go/issues/4888))
### [`v1.23.0`](https://togithub.com/open-telemetry/opentelemetry-go/releases/tag/v1.23.0): /v0.45.1
[Compare Source](https://togithub.com/open-telemetry/opentelemetry-go/compare/v1.22.0...v1.23.0)
This release contains the first stable, `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](VERSIONING.md) for more information about these stability guarantees.
##### Added
- Add `WithEndpointURL` option to the `exporters/otlp/otlpmetric/otlpmetricgrpc`, `exporters/otlp/otlpmetric/otlpmetrichttp`, `exporters/otlp/otlptrace/otlptracegrpc` and `exporters/otlp/otlptrace/otlptracehttp` packages. ([#4808](https://togithub.com/open-telemetry/opentelemetry-go/issues/4808))
- Experimental exemplar exporting is added to the metric SDK. See [metric documentation](./sdk/metric/EXPERIMENTAL.md#exemplars) for more information about this feature and how to enable it. ([#4871](https://togithub.com/open-telemetry/opentelemetry-go/issues/4871))
- `ErrSchemaURLConflict` is added to `go.opentelemetry.io/otel/sdk/resource`. This error is returned when a merge of two `Resource`s with different (non-empty) schema URL is attempted. ([#4876](https://togithub.com/open-telemetry/opentelemetry-go/issues/4876))
##### Changed
- The `Merge` and `New` functions in `go.opentelemetry.io/otel/sdk/resource` now returns a partial result if there is a schema URL merge conflict. Instead of returning `nil` when two `Resource`s with different (non-empty) schema URLs are merged the merged `Resource`, along with the new `ErrSchemaURLConflict` error, is returned. It is up to the user to decide if they want to use the returned `Resource` or not. It may have desired attributes overwritten or include stale semantic conventions. ([#4876](https://togithub.com/open-telemetry/opentelemetry-go/issues/4876))
##### Fixed
- Fix `ContainerID` resource detection on systemd when cgroup path has a colon. ([#4449](https://togithub.com/open-telemetry/opentelemetry-go/issues/4449))
- Fix `go.opentelemetry.io/otel/sdk/metric` to cache instruments to avoid leaking memory when the same instrument is created multiple times. ([#4820](https://togithub.com/open-telemetry/opentelemetry-go/issues/4820))
- Fix missing `Mix` and `Max` values for `go.opentelemetry.io/otel/exporters/stdout/stdoutmetric` by introducing `MarshalText` and `MarshalJSON` for the `Extrema` type in `go.opentelemetry.io/sdk/metric/metricdata`. ([#4827](https://togithub.com/open-telemetry/opentelemetry-go/issues/4827))
##### New Contributors
- [@Fricounet](https://togithub.com/Fricounet) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4449](https://togithub.com/open-telemetry/opentelemetry-go/pull/4449)
- [@StLeoX](https://togithub.com/StLeoX) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4855](https://togithub.com/open-telemetry/opentelemetry-go/pull/4855)
- [@m-posluszny](https://togithub.com/m-posluszny) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4827](https://togithub.com/open-telemetry/opentelemetry-go/pull/4827)
**Full Changelog**: https://github.com/open-telemetry/opentelemetry-go/compare/v1.22.0...v1.23.0
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This PR contains the following updates:
v1.22.0->v1.25.0v1.22.0->v1.25.0v1.22.0->v1.25.0v1.22.0->v1.25.0v1.22.0->v1.25.0Release Notes
open-telemetry/opentelemetry-go (go.opentelemetry.io/otel)
### [`v1.25.0`](https://togithub.com/open-telemetry/opentelemetry-go/releases/tag/v1.25.0): /v0.47.0/v0.0.8/v0.1.0-alpha [Compare Source](https://togithub.com/open-telemetry/opentelemetry-go/compare/v1.24.0...v1.25.0) ##### Added - Add `WithProxy` option in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`. ([#4906](https://togithub.com/open-telemetry/opentelemetry-go/issues/4906)) - Add `WithProxy` option in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlptracehttp`. ([#4906](https://togithub.com/open-telemetry/opentelemetry-go/issues/4906)) - Add `AddLink` method to the `Span` interface in `go.opentelemetry.io/otel/trace`. ([#5032](https://togithub.com/open-telemetry/opentelemetry-go/issues/5032)) - The `Enabled` method is added to the `Logger` interface in `go.opentelemetry.io/otel/log`. This method is used to notify users if a log record will be emitted or not. ([#5071](https://togithub.com/open-telemetry/opentelemetry-go/issues/5071)) - Add `SeverityUndefined` `const` to `go.opentelemetry.io/otel/log`. This value represents an unset severity level. ([#5072](https://togithub.com/open-telemetry/opentelemetry-go/issues/5072)) - Add `Empty` function in `go.opentelemetry.io/otel/log` to return a `KeyValue` for an empty value. ([#5076](https://togithub.com/open-telemetry/opentelemetry-go/issues/5076)) - Add `go.opentelemetry.io/otel/log/global` to manage the global `LoggerProvider`. This package is provided with the anticipation that all functionality will be migrate to `go.opentelemetry.io/otel` when `go.opentelemetry.io/otel/log` stabilizes. At which point, users will be required to migrage their code, and this package will be deprecated then removed. ([#5085](https://togithub.com/open-telemetry/opentelemetry-go/issues/5085)) - Add support for `Summary` metrics in the `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp` and `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc` exporters. ([#5100](https://togithub.com/open-telemetry/opentelemetry-go/issues/5100)) - Add `otel.scope.name` and `otel.scope.version` tags to spans exported by `go.opentelemetry.io/otel/exporters/zipkin`. ([#5108](https://togithub.com/open-telemetry/opentelemetry-go/issues/5108)) - Add support for `AddLink` to `go.opentelemetry.io/otel/bridge/opencensus`. ([#5116](https://togithub.com/open-telemetry/opentelemetry-go/issues/5116)) - Add `String` method to `Value` and `KeyValue` in `go.opentelemetry.io/otel/log`. ([#5117](https://togithub.com/open-telemetry/opentelemetry-go/issues/5117)) - Add Exemplar support to `go.opentelemetry.io/otel/exporters/prometheus`. ([#5111](https://togithub.com/open-telemetry/opentelemetry-go/issues/5111)) - Add metric semantic conventions to `go.opentelemetry.io/otel/semconv/v1.24.0`. Future `semconv` packages will include metric semantic conventions as well. ([#4528](https://togithub.com/open-telemetry/opentelemetry-go/issues/4528)) ##### Changed - `SpanFromContext` and `SpanContextFromContext` in `go.opentelemetry.io/otel/trace` no longer make a heap allocation when the passed context has no span. ([#5049](https://togithub.com/open-telemetry/opentelemetry-go/issues/5049)) - `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc` and `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc` now create a gRPC client in idle mode and with "dns" as the default resolver using [`grpc.NewClient`](https://pkg.go.dev/google.golang.org/grpc#NewClient). ([#5151](https://togithub.com/open-telemetry/opentelemetry-go/issues/5151)) Because of that `WithDialOption` ignores [`grpc.WithBlock`](https://pkg.go.dev/google.golang.org/grpc#WithBlock), [`grpc.WithTimeout`](https://pkg.go.dev/google.golang.org/grpc#WithTimeout), and [`grpc.WithReturnConnectionError`](https://pkg.go.dev/google.golang.org/grpc#WithReturnConnectionError). Notice that [`grpc.DialContext`](https://pkg.go.dev/google.golang.org/grpc#DialContext) which was used before is now deprecated. ##### Fixed - Clarify the documentation about equivalence guarantees for the `Set` and `Distinct` types in `go.opentelemetry.io/otel/attribute`. ([#5027](https://togithub.com/open-telemetry/opentelemetry-go/issues/5027)) - Prevent default `ErrorHandler` self-delegation. ([#5137](https://togithub.com/open-telemetry/opentelemetry-go/issues/5137)) - Update all dependencies to address [GO-2024-2687]. ([#5139](https://togithub.com/open-telemetry/opentelemetry-go/issues/5139)) ##### Removed - Drop support for [Go 1.20]. ([#4967](https://togithub.com/open-telemetry/opentelemetry-go/issues/4967)) ##### Deprecated - Deprecate `go.opentelemetry.io/otel/attribute.Sortable` type. ([#4734](https://togithub.com/open-telemetry/opentelemetry-go/issues/4734)) - Deprecate `go.opentelemetry.io/otel/attribute.NewSetWithSortable` function. ([#4734](https://togithub.com/open-telemetry/opentelemetry-go/issues/4734)) - Deprecate `go.opentelemetry.io/otel/attribute.NewSetWithSortableFiltered` function. ([#4734](https://togithub.com/open-telemetry/opentelemetry-go/issues/4734)) [Go 1.20]: https://go.dev/doc/go1.20 [GO-2024-2687]: https://pkg.go.dev/vuln/GO-2024-2687 #### New Contributors - [@tgolang](https://togithub.com/tgolang) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/5048](https://togithub.com/open-telemetry/opentelemetry-go/pull/5048) - [@MickaelAlliel](https://togithub.com/MickaelAlliel) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4906](https://togithub.com/open-telemetry/opentelemetry-go/pull/4906) - [@s4s7](https://togithub.com/s4s7) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/5096](https://togithub.com/open-telemetry/opentelemetry-go/pull/5096) - [@Kielek](https://togithub.com/Kielek) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/5108](https://togithub.com/open-telemetry/opentelemetry-go/pull/5108) - [@q-cheng](https://togithub.com/q-cheng) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/5032](https://togithub.com/open-telemetry/opentelemetry-go/pull/5032) - [@carrbs](https://togithub.com/carrbs) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4880](https://togithub.com/open-telemetry/opentelemetry-go/pull/4880) **Full Changelog**: https://github.com/open-telemetry/opentelemetry-go/compare/v1.24.0...v1.25.0 ### [`v1.24.0`](https://togithub.com/open-telemetry/opentelemetry-go/releases/tag/v1.24.0): /v0.46.0/v0.0.1-alpha [Compare Source](https://togithub.com/open-telemetry/opentelemetry-go/compare/v1.23.1...v1.24.0) This release is the last to support [Go 1.20]. The next release will require at least [Go 1.21]. ##### Added - Support [Go 1.22]. ([#4890](https://togithub.com/open-telemetry/opentelemetry-go/issues/4890)) - Add exemplar support to `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`. ([#4900](https://togithub.com/open-telemetry/opentelemetry-go/issues/4900)) - Add exemplar support to `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`. ([#4900](https://togithub.com/open-telemetry/opentelemetry-go/issues/4900)) - The `go.opentelemetry.io/otel/log` module is added. This module includes OpenTelemetry Go's implementation of the Logs Bridge API. This module is in an alpha state, it is subject to breaking changes. See our [versioning policy](./VERSIONING.md) for more info. ([#4961](https://togithub.com/open-telemetry/opentelemetry-go/issues/4961)) ##### Fixed - Fix registration of multiple callbacks when using the global meter provider from `go.opentelemetry.io/otel`. ([#4945](https://togithub.com/open-telemetry/opentelemetry-go/issues/4945)) - Fix negative buckets in output of exponential histograms. ([#4956](https://togithub.com/open-telemetry/opentelemetry-go/issues/4956)) ##### New Contributors - [@kevinburkesegment](https://togithub.com/kevinburkesegment) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4920](https://togithub.com/open-telemetry/opentelemetry-go/pull/4920) - [@yizeng](https://togithub.com/yizeng) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4947](https://togithub.com/open-telemetry/opentelemetry-go/pull/4947) - [@ntriamme](https://togithub.com/ntriamme) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4945](https://togithub.com/open-telemetry/opentelemetry-go/pull/4945) - [@ericayin](https://togithub.com/ericayin) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4956](https://togithub.com/open-telemetry/opentelemetry-go/pull/4956) **Full Changelog**: https://github.com/open-telemetry/opentelemetry-go/compare/v1.23.1...v1.24.0 [Go 1.22]: https://go.dev/doc/go1.22 [Go 1.21]: https://go.dev/doc/go1.21 [Go 1.20]: https://go.dev/doc/go1.20 ### [`v1.23.1`](https://togithub.com/open-telemetry/opentelemetry-go/releases/tag/v1.23.1): /v0.45.2 [Compare Source](https://togithub.com/open-telemetry/opentelemetry-go/compare/v1.23.0...v1.23.1) ##### Fixed - Register all callbacks passed during observable instrument creation instead of just the last one multiple times in `go.opentelemetry.io/otel/sdk/metric`. ([#4888](https://togithub.com/open-telemetry/opentelemetry-go/issues/4888)) ### [`v1.23.0`](https://togithub.com/open-telemetry/opentelemetry-go/releases/tag/v1.23.0): /v0.45.1 [Compare Source](https://togithub.com/open-telemetry/opentelemetry-go/compare/v1.22.0...v1.23.0) This release contains the first stable, `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](VERSIONING.md) for more information about these stability guarantees. ##### Added - Add `WithEndpointURL` option to the `exporters/otlp/otlpmetric/otlpmetricgrpc`, `exporters/otlp/otlpmetric/otlpmetrichttp`, `exporters/otlp/otlptrace/otlptracegrpc` and `exporters/otlp/otlptrace/otlptracehttp` packages. ([#4808](https://togithub.com/open-telemetry/opentelemetry-go/issues/4808)) - Experimental exemplar exporting is added to the metric SDK. See [metric documentation](./sdk/metric/EXPERIMENTAL.md#exemplars) for more information about this feature and how to enable it. ([#4871](https://togithub.com/open-telemetry/opentelemetry-go/issues/4871)) - `ErrSchemaURLConflict` is added to `go.opentelemetry.io/otel/sdk/resource`. This error is returned when a merge of two `Resource`s with different (non-empty) schema URL is attempted. ([#4876](https://togithub.com/open-telemetry/opentelemetry-go/issues/4876)) ##### Changed - The `Merge` and `New` functions in `go.opentelemetry.io/otel/sdk/resource` now returns a partial result if there is a schema URL merge conflict. Instead of returning `nil` when two `Resource`s with different (non-empty) schema URLs are merged the merged `Resource`, along with the new `ErrSchemaURLConflict` error, is returned. It is up to the user to decide if they want to use the returned `Resource` or not. It may have desired attributes overwritten or include stale semantic conventions. ([#4876](https://togithub.com/open-telemetry/opentelemetry-go/issues/4876)) ##### Fixed - Fix `ContainerID` resource detection on systemd when cgroup path has a colon. ([#4449](https://togithub.com/open-telemetry/opentelemetry-go/issues/4449)) - Fix `go.opentelemetry.io/otel/sdk/metric` to cache instruments to avoid leaking memory when the same instrument is created multiple times. ([#4820](https://togithub.com/open-telemetry/opentelemetry-go/issues/4820)) - Fix missing `Mix` and `Max` values for `go.opentelemetry.io/otel/exporters/stdout/stdoutmetric` by introducing `MarshalText` and `MarshalJSON` for the `Extrema` type in `go.opentelemetry.io/sdk/metric/metricdata`. ([#4827](https://togithub.com/open-telemetry/opentelemetry-go/issues/4827)) ##### New Contributors - [@Fricounet](https://togithub.com/Fricounet) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4449](https://togithub.com/open-telemetry/opentelemetry-go/pull/4449) - [@StLeoX](https://togithub.com/StLeoX) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4855](https://togithub.com/open-telemetry/opentelemetry-go/pull/4855) - [@m-posluszny](https://togithub.com/m-posluszny) made their first contribution in [https://github.com/open-telemetry/opentelemetry-go/pull/4827](https://togithub.com/open-telemetry/opentelemetry-go/pull/4827) **Full Changelog**: https://github.com/open-telemetry/opentelemetry-go/compare/v1.22.0...v1.23.0Configuration
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