Releases

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

URGENCY

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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 ×

OpenCostv1.120.3ObservabilityMay 29, 2026

ACTION 1CHECK 1OTHER 51View full analysis

A maintenance release with dependency updates, correctness fixes, and new cloud and query capabilities. Configuration and output behavior also change, along with a Go dependency upgrade for GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986.

Action needed (1)

securityhighGo dependency upgrades for GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986
Go dependencies are upgraded for GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986.

Check if affected (1)

breakingThe MCP_SERVER_ENABLED default is false
Applies if you do not configure MCP_SERVER_ENABLED.

Source ↗

Prometheusv3.12.0ObservabilityMay 28, 2026

ACTION 1CHECK 3OTHER 45View full analysis

A feature and maintenance release with new operator-facing APIs, discovery integrations, feature flags, configuration options, and UI capabilities. It also addresses disclosed security issues, correctness and performance problems, and validation or constraint behavior.

Action needed (1)

breakingConcurrent fgprof profile rejection
The API rejects concurrent fgprof profiles.

Check if affected (3)

securityRemote Write decoded-length constraint
Applies if you use Remote Write.
securityPlaintext secret exposure in STACKIT SD
Applies if you use STACKIT SD.
breakingDecompressed body-size limit for OTLP write requests
Applies if you use OTLP.

Source ↗

OpenCostv1.120.2ObservabilityMay 18, 2026

ACTION 1CHECK 2OTHER 40View full analysis

A maintenance release with dependency updates, operator-visible configuration and behavior changes, new integrations and capabilities, and correctness fixes. It also includes an explicitly disclosed security-related Go dependency upgrade.

Action needed (1)

securityhighGo dependency upgrades for GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986
Go dependencies were upgraded to address GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986.

Check if affected (2)

breakingThe provider config source, changed
Applies if you configure provider config.
breakingThe MCP_SERVER_ENABLED default, changed to false
Applies if you use the MCP server.

Source ↗

Litmus3.29.0ObservabilityMay 18, 2026

ACTION 1OTHER 7View full analysis

Litmus 3.29.0 includes operator-facing changes across dependencies and platform behavior. This release includes a google.golang.org/grpc update to v1.79.3 for CVE-2026-33186.

Action needed (1)

securitycriticalThe google.golang.org/grpc dependency, updated for CVE-2026-33186
The release updates google.golang.org/grpc to v1.79.3. The dependency update addresses CVE-2026-33186 in Litmus 3.29.0.

Source ↗

Jaegerv2.18.0ObservabilityMay 13, 2026

ACTION 2OTHER 23View full analysis

A release with breaking removals, API and metric changes, bug corrections, and experimental capabilities. It also adds storage, MCP, UI, and tracing functionality, with no security advisories or security-specific fixes disclosed.

Action needed (2)

breakingThe min step api in metricstore, removed
The min step api was removed from metricstore in this release.
breakingThe non-standard health MCP tool, removed
The non-standard health MCP tool was removed from jaegermcp in this release.

Source ↗

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