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 ×

containerdv2.3.1Kubernetes CoreMay 20, 2026

ACTION 1CHECK 1PLAN 1OTHER 8View full analysis

A maintenance release focused on runtime correctness and security, including fixes across snapshotter, storage, and server components. It also contains compatibility changes and updates to the API and Go toolchain.

Action needed (1)

securityhighCVE-2026-46680 correction
The fix for CVE-2026-46680 ships in this release.

Check if affected (1)

breakingThe overlayfs "rebase" capability, disabled in user namespaces
Applies if you use overlayfs and run in a user namespace.

Plan ahead (1)

deprecatedTask fields in Runc options, deprecated
Applies if you configure task fields in Runc options.

Source ↗

Helmv4.2.0Kubernetes CoreMay 14, 2026

ACTION 1CHECK 1PLAN 1OTHER 68View full analysis

A feature and maintenance release with new template and CLI capabilities, dependency updates, flag deprecations, and numerous correctness fixes. It also includes security fixes for plugin path traversal and GO-2026-4394.

Action needed (1)

securityhighgo.opentelemetry.io/otel/sdk update for GO-2026-4394
Helm v4.2.0 updates go.opentelemetry.io/otel/sdk to v1.40.0 for GO-2026-4394.

Check if affected (1)

securityPlugin version path traversal fix
Applies if you use the Plugin extension.

Plan ahead (1)

deprecatedThe --hide-notes and --render-subchart-notes flags, deprecated
Applies if you use --hide-notes or --render-subchart-notes.

Source ↗

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