Releases

AI-analyzed release notes for CNCF graduated and incubating projects.

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All AI & ML CI/CD & App Delivery Kubernetes Core Networking & Messaging Observability Orchestration & Management Provisioning & Runtime Security Storage & Data

May 2026Clear ×Project: OpenTelemetryClear ×

OpenTelemetryv0.152.1ObservabilityMay 19, 2026

CHECK 2PLAN 1OTHER 7View full analysis

A maintenance release that adds exporter in-flight request monitoring and configuration-validation APIs while correcting runtime and configuration behavior. It also changes Prometheus telemetry defaults for explicitly configured metrics and deprecates older validation APIs.

Check if affected (2)

breakingThe max_request_body_size limit for snappy requests
Applies if you configure max_request_body_size.
pkg/confighttp now enforces max_request_body_size on requests with Content-Encoding: snappy before allocating the decoded buffer.
breakingPrometheus exporter defaults for explicitly configured telemetry
Applies if you configure the telemetry metrics section.
pkg/service now applies the correct Prometheus exporter defaults during configuration unmarshaling when the telemetry metrics section is explicitly configured. WithoutScopeInfo, WithoutUnits, and WithoutTypeSuffix default to true instead of nil or false.

Plan ahead (1)

deprecatedThe xconfmap.Validator and confmap.Validate APIs
Applies if you use xconfmap.Validator or confmap.Validate.
pkg/xconfmap deprecates xconfmap.Validator and confmap.Validate in favor of confmap.Validator and confmap.Validate.

Source ↗

OpenTelemetryv0.152.0ObservabilityMay 11, 2026

PLAN 1OTHER 10View full analysis

OpenTelemetry v0.152.0 adds exporter observability and configuration/API capabilities while correcting bugs in request handling, telemetry, and value formatting. It also deprecates older configuration validation APIs in favor of the confmap APIs.

Plan ahead (1)

deprecatedThe xconfmap.Validator and confmap.Validate APIs, deprecated
Applies if you use xconfmap.Validator or the deprecated confmap.Validate API for configuration validation.
In v0.152.0, xconfmap.Validator and confmap.Validate are deprecated in favor of confmap.Validator and confmap.Validate.

Source ↗

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