Releases — RATATOSK

OpenTelemetryv0.151.0ObservabilityApr 28, 2026

A release with API and configuration contract changes, new capabilities, deprecations, and bug fixes. It includes transport, telemetry, generated configuration, and data-handling updates, with no disclosed security advisories or security-specific fixes.

Check if affected (2)

breakingRelative replace paths in generated Collector source
Applies if you use the generated Collector source.
In generated Collector source, the replace statements in the Go module now use relative paths by default.
breakingNamed Config.Protocols field
Applies if you use Config.Protocols.
Config.Protocols is now a named field instead of an anonymous embedded field in the cfg.GRPC and cfg.HTTP APIs.

Plan ahead (1)

deprecatedDefaultMetricsBuilderConfig deprecation
Applies if you use DefaultMetricsBuilderConfig.
The DefaultMetricsBuilderConfig function is deprecated. NewDefaultMetricsBuilderConfig is the replacement.

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