Release v0.15.0-alpha

[MrAlias]

Added

• Support Go v1.21.13. (#988)
• Support Go v1.22.6. (#988)
• Support golang.org/x/net v0.28.0. (#988)
• Support google.golang.org/grpc 1.67.0-dev. (#1007)
• Support Go 1.23.0. (#1007)
• Introduce config.Provider as an option to set the initial configuration and update it in runtime. (#1010)
• Support go.opentelemetry.io/otel@v1.29.0. (#1032)
• Support google.golang.org/grpc 1.66.0. (#1046)
• Sampler interface that can be passed to Instrumentation via the new WithSampler option. This is wireframe configuration, it currently has not effect. It will be used to allows customization of what sampler is used by the Instrumentation. Implementation, of this feature is expected in the next release. (#982)
• The OTEL_TRACES_SAMPLER and OTEL_TRACES_SAMPLER_ARG environment variables are now supported when the WithEnv option is used. (#982)
• Support golang.org/x/net v0.29.0. (#1051)
• Support Go 1.22.7. (#1051)
• Support Go 1.23.1. (#1051)
• Log version information in the CLI. (#1077)
• Support google.golang.org/grpc 1.66.1. (#1078)
• Add gRPC status code attribute for client spans (rpc.grpc.status_code). (#1044)
• Support google.golang.org/grpc 1.68.0-dev. (#1044)
• Support go.opentelemetry.io/otel@v1.30.0. (#1044)
• The WithLogger InstrumentationOption is added as a replacement for WithLogLevel.
  An slog.Logger can now be configured by the user any way they want and then passed to the Instrumentation for its logging with this option. (#1080)
• Support google.golang.org/grpc 1.66.2. (#1083)
• Support google.golang.org/grpc 1.67.0. (#1116)

Changed

• The WithSampler option function now accepts the new Sampler interface instead of trace.Sampler. (#982)

Fixed

• Fix dirty shutdown caused by panic. (#980)
• Flush pending span exports on shutdown. (#1028)

Removed

• WithLogLevel is removed. Use WithLogger instead. (#1080)
• The unused LogLevelDebug constant is removed. (#1080)
• The unused LogLevelInfo constant is removed. (#1080)
• The unused LogLevelWarn constant is removed. (#1080)
• The unused LogLevelError constant is removed. (#1080)
• The unused LogLevel type is removed. (#1080)
• The unused ParseLogLevel function is removed. (#1080)
• Drop agent build support for Go 1.21. (#1115)

[RonFed]

I think we should clarify that the sampling-related changes have not been fully implemented yet. WDYT?

[MrAlias]

I think we should clarify that the sampling-related changes have not been fully implemented yet. WDYT?

Sounds good to me. Do you suggest that we just do so in the changelog? Or do we need to update the documentation for the option types as well?

[RonFed]

I think we should clarify that the sampling-related changes have not been fully implemented yet. WDYT?

Sounds good to me. Do you suggest that we just do so in the changelog? Or do we need to update the documentation for the option types as well?

The changelog sounds good to me.