website/content/en/docs/reference/glossary/feature-gates.md

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Feature gate feature-gate 2023-01-12 /docs/reference/command-line-tools-reference/feature-gates/ A way to control whether or not a particular Kubernetes feature is enabled.
fundamental
operation

Feature gates are a set of keys (opaque string values) that you can use to control which Kubernetes features are enabled in your cluster.

You can turn these features on or off using the --feature-gates command line flag on each Kubernetes component. Each Kubernetes component lets you enable or disable a set of feature gates that are relevant to that component. The Kubernetes documentation lists all current feature gates and what they control.