A control plane error active from May 4 through May 11 inadvertently removed the core Guest Environment plugin from a subset of GCP instances, leaving those machines without functional SSH or password reset capabilities. Version 20260511.00, released May 20, resolves the issue and automatically restarts affected instances as part of the remediation. For platform teams managing GCP VM fleets, this update is significant because lost SSH access can render instances effectively unmanageable without console-level recovery. The automatic restart behavior means operators should verify workload impact windows for any instances that were in the affected cohort and confirm that the updated Guest Environment version is now running across their inventory.