Kubernetes Changed Block Tracking API - Beta Differences
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What happened
Changed Block Tracking (CBT) support for CSI drivers shipped as Alpha in September 2025. With the March 2026 v1.0.0 release of the external-snapshot-metadata project, the feature moved to Beta. If you aren't yet familiar with changed block tracking for storage in Kubernetes, the Alpha announcement covers the motivation, the three primary components (the CSI SnapshotMetadata gRPC service, the SnapshotMetadataService…
Summary assembled by rule from the sources below
Why it's spreading
Sources
Official
- Kubernetes Changed Block Tracking API - Beta DifferencesKubernetes Blog