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Kubernetes v1.35: Timbernetes (The World Tree Release)

Editors: Aakanksha Bhende, Arujjwal Negi, Chad M.

Release Summary

Kubernetes v1.35 "Timbernetes (The World Tree Release)" was published on December 17, 2025. This release includes 60 enhancements: 17 stable features, 19 beta features, and 22 alpha features. The release also contains deprecations and removals that require attention.

Key Changes

  • 17 features have graduated to stable status
  • 19 features are now in beta
  • 22 new alpha features introduced
  • Multiple deprecations and removals are included in this release

Breaking Changes and Deprecations

The release includes deprecations and removals. Specific details were not provided in the release announcement, but operators are explicitly advised to review these changes.

Why It Matters for Operators

This release represents the final Kubernetes version of 2025 and continues the project's consistent delivery cadence. The graduation of 17 features to stable indicates production-ready functionality that operators can rely on. The presence of deprecations and removals may require configuration or workflow adjustments.

Suggested Actions

  • Review the full release notes for specific deprecation and removal details
  • Evaluate the 17 newly stable features for potential adoption in production environments
  • Test beta and alpha features in non-production environments if they align with operational needs
  • Plan upgrade windows accounting for any breaking changes or required migrations
  • Verify compatibility of existing configurations and integrations with deprecated features