--- title: "VAST Block CSI Driver 2.6.1 Release Notes" slug: "vast-block-csi-driver-261-release-notes-2-6" updated: 2026-11-04T00:17:23Z published: 2026-11-04T00:17:23Z canonical: "docs.vastdata.com/vast-block-csi-driver-261-release-notes-2-6" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.vastdata.com/llms.txt > Use this file to discover all available pages before exploring further. # VAST Block CSI Driver 2.6.1 Release Notes VAST Block CSI Driver 2.6.1 is released to General Availability as of May 2025. To upgrade to VAST Block CSI Driver 2.6.1, follow the upgrade procedure in the [*VAST Block CSI Driver 2.6 Administrator's Guide*](/develop/docs/block-csi-driver-administrators-guide-2-6)​​​. **Note**: This driver version is not compatible with VAST Cluster 5.5.0 or later. ## New Features and Capabilities ### Support of VMS Authentication Tokens VAST Block CSI Driver allows for authentication of the connection to the VAST cluster by means of VMS authentication tokens. You can supply the VMS user's token using the new `token` parameter in the Kubernetes secret.