Image release notes: workbench-instances-2603

This page documents image releases for the workbench-instances-2603 image family (Debian 12) of Agent Platform Workbench. Each entry lists the image version that was released and the changes it contains.

For the versioning scheme and lifecycle dates, see Image versioning and lifecycle. For product-level updates that aren't specific to an image, see Agent Platform Workbench release notes.

You can see the latest product updates for all of Google Cloud on the Google Cloud page, browse and filter all release notes in the Google Cloud console, or programmatically access release notes in BigQuery.

August 23, 2026

Fixed

Scheduled notebook executions now report their final status when the execution user's credentials stop working part way through a run, instead of continuing until the execution timeout.

Change

20260823-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

August 16, 2026

Change

20260816-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

August 09, 2026

Change

20260809-2130-rc0 Release

Change

Updated the NVIDIA GPU driver on Workbench Debian 12 images from 580.65.06 to 580.126.20 for compatibility with the Debian 12 6.1.0-52 kernel.

Change

Installed latest packages from upstream dependencies.

Fixed

Fixed the Git panel's grayed out buttons which were disabled due to an issue with the Jupyter Lab's Git plugin introduced in version 0.54.0.

July 30, 2026

Change

20260730-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

Fixed

Fixed issue with JupyterLab UI silently reverting file changes and interrupting kernels due to Gemini CLI's auto reload extension.

Change

The JupyterLab last-active and auto-reload extensions are now enabled only when Gemini CLI is configured, preventing them from affecting the native JupyterLab UI otherwise.

Fixed

Fixed the JupyterLab Git extension's Pull and Push buttons being disabled by pinning jupyterlab-git to 0.53.0.

Fixed

Fixed an error that could prevent creating new micromamba environments at runtime due to package cache permissions.

Fixed

Workbench internal agents now trust custom and enterprise CA certificates installed on the host operating system, fixing TLS certificate verification failures for connections routed through the instance proxy.

Fixed

Files created by the post-startup script are now owned by the jupyter user, and git safe.directory is configured so that root-owned repositories continue to work.

Change

The JupyterLab last-active and auto-reload extensions are now enabled only when Gemini CLI is configured, preventing them from affecting the native JupyterLab UI otherwise.

July 13, 2026

Change

20260712-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

Fixed

Fixed broken cupy installation.

Feature

Secure Boot is compatible with GPUs

You can now enable Secure Boot on Agent Platform Workbench instances that have a GPU attached. Secure Boot with GPUs is supported on the workbench-instances-2603 VM image and the workbench-container-2606 custom container, which include a Secure Boot-signed NVIDIA GPU driver so the driver loads under Secure Boot. For more information, see Create an instance.

July 06, 2026

Change

20260701-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

Fixed

Fixed a race condition that could cause JupyterLab to be unreachable (HTTP 524) on GPU instances.

Fixed

Fixed an issue where long-running requests (for example, streaming or long-poll connections) could be terminated after about 60 seconds.

June 29, 2026

Change

20260628-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

Feature

Installed TensorFlow and PyTorch packages to the default kernel.

June 24, 2026

Change

20260624-1604-rc0 Release

Change

Installed latest packages from upstream dependencies.

Fixed

Fixed an issue where notebook kernels could become unavailable if the Dataproc plugin failed to load.

June 23, 2026

Change

20260622-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

Fixed

Fixed a duplicate "Python 3 (ipykernel)" kernel appearing in the launcher.

June 01, 2026

Change

20260531-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

May 25, 2026

Change

20260524-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

Fixed

Fixed a Python 3.12 compatibility issue in the JupyterLab server configuration.

Change

Hardened JupyterLab authentication configuration.

May 11, 2026

Change

20260510-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

May 04, 2026

Change

20260503-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

Change

Improved metadata server resolution reliability on Debian 12 by using the recommended metadata.google.internal name.

April 27, 2026

Change

20260426-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

April 20, 2026

Change

20260419-2130-rc0 Release

Change

Installed latest packages from upstream dependencies.

Fixed

Fixed intermittent connectivity failures caused by proxy TLS certificate rotation.

Change

The post-startup script now re-runs after an instance auto-upgrade.