GCP Release Notes: November 28, 2025

Google Kubernetes Engine

Security

(2025-R49) Security updates

This release includes new GKE versions that use updated Container-Optimized OS images. These updated images are cumulative, incorporating security fixes from all Container-Optimized OS versions released since the previous GKE release.

To identify the specific vulnerabilities that were resolved in each updated Container-Optimized OS image, see the Security release notes for that image. The following table includes links to the release notes for each updated Container-Optimized OS image:

GKE version	Container-Optimized OS version	Details
1.28.15-gke.3188000	cos-113-18244-521-23	cos-113-18244-521-23 release notes
1.29.15-gke.2505000	cos-113-18244-521-23	cos-113-18244-521-23 release notes
1.30.14-gke.1746000	cos-113-18244-521-23	cos-113-18244-521-23 release notes
1.31.14-gke.1033000	cos-117-18613-439-28	cos-117-18613-439-28 release notes
1.34.1-gke.1829001	cos-125-19216-0-94	cos-125-19216-0-94 release notes
1.34.1-gke.2541000	cos-125-19216-0-115	cos-125-19216-0-115 release notes
1.34.1-gke.3355000	cos-125-19216-104-32	cos-125-19216-104-32 release notes

Changed

(2025-R49) Version updates

GKE cluster versions have been updated.

New versions available for upgrades and new clusters.

The following versions are now available for new GKE clusters, and for manual control plane upgrades and node upgrades for existing clusters. For more information about versioning and upgrades, see GKE versioning and support and About GKE cluster upgrades.

Changed

(2025-R49) Version updates

• The following versions are now available in the Extended channel:
  • 1.28.15-gke.3188000
  • 1.29.15-gke.2505000
  • 1.30.14-gke.1746000

Changed

(2025-R49) Version updates

• The following versions are now available:
  • 1.31.14-gke.1033000
  • 1.32.9-gke.1575000
  • 1.33.5-gke.1862000
  • 1.34.1-gke.1829001
  • 1.34.1-gke.2037001
  • 1.34.1-gke.2037002
  • 1.34.1-gke.2541000
  • 1.34.1-gke.2909000
  • 1.34.1-gke.2980000
  • 1.34.1-gke.3084001
  • 1.34.1-gke.3225000
  • 1.34.1-gke.3355000
• The following node versions are now available:
  • 1.28.15-gke.3188000
  • 1.29.15-gke.2505000
  • 1.30.14-gke.1746000
  • 1.31.14-gke.1033000
  • 1.32.9-gke.1575000
  • 1.33.5-gke.1862000
  • 1.34.1-gke.1829001
  • 1.34.1-gke.2037001
  • 1.34.1-gke.2037002
  • 1.34.1-gke.2541000
  • 1.34.1-gke.2909000
  • 1.34.1-gke.2980000
  • 1.34.1-gke.3084001
  • 1.34.1-gke.3225000
  • 1.34.1-gke.3355000
• Clusters in this channel running the listed minor version have new general auto-upgrade targets. GKE can upgrade control planes and nodes to the following new versions with this release:
  • GKE upgrades clusters to the following new patch versions if no minor version upgrade is available, or if the cluster has maintenance exclusions or other factors preventing minor version upgrades:
    • 1.34 to 1.34.1-gke.2909000

Changed

(2025-R49) Version updates

• The following versions are now available in the Rapid channel:
  • 1.31.14-gke.1033000
  • 1.32.9-gke.1575000
  • 1.33.5-gke.1862000
  • 1.34.1-gke.3225000
  • 1.34.1-gke.3355000

Changed

(2025-R49) Version updates

• The following versions are now available in the Regular channel:
  • 1.31.13-gke.1377000
  • 1.32.9-gke.1462000
  • 1.33.5-gke.1697000
  • 1.34.1-gke.2909000
• Clusters in this channel running the listed minor version have new general auto-upgrade targets. GKE can upgrade control planes and nodes to the following new versions with this release:
  • GKE upgrades clusters to the following new patch versions if no minor version upgrade is available, or if the cluster has maintenance exclusions or other factors preventing minor version upgrades:
    • 1.34 to 1.34.1-gke.2909000

Changed

(2025-R49) Version updates

There are no new releases in the Stable channel.

Source: Google Cloud Platform