cancelUpdate

Cancels an in-progress update to an Amazon EKS cluster on a best-effort basis. Cancellation is only performed if the update can be cancelled. Currently, this is supported for VersionRollback update types on EKS Auto Mode clusters when nodes are rolling back.

A successful cancellation stops the node rollback. After cancellation, nodes converge to the current cluster version honoring configured disruption controls. If the control plane rollback has already begun, the cancellation request fails.