Release notes (Stable channel)

This page documents updates to releases in the Google Kubernetes Engine Stable release channel. You can periodically check this page for announcements about new or updated features, bug fixes, known issues, and deprecated functionality. The overall release notes also include the information in this page.

GKE follows a predictable multi-day rollout schedule for making new versions available, as well as auto-upgrading cluster control planes and nodes. For more information, see the Rollout schedule.

For more detailed information about security-related known issues, see the security bulletin page.

To view release notes for versions prior to 2020, see the Release notes archive.

You can see the latest product updates for all of Google Cloud on the Google Cloud release notes page.

To get the latest product updates delivered to you, add the URL of this page to your feed reader, or add the feed URL directly: https://cloud.google.com/feeds/kubernetes-engine-stable-channel-release-notes.xml

February 25, 2021 (2021-R7)

Version 1.16.15-gke.7801 is now available in the Stable channel.

Version 1.17.17-gke.1100 is now available in the Stable channel.

Version 1.17.17-gke.1101 is now available in the Stable channel.

February 17, 2021 (2021-R6)

February 23, 2021 updates: version 1.15.12-gke.6002 is still available; it is not removed from the Stable channel.

Version 1.16.15-gke.6000 is no longer available in the Stable channel.

Auto-upgrading control planes in the Stable channel automatically upgrade from version 1.0.0 to version 1.16.15-gke.7800 with this release.

February 9, 2021 (2021-R5)

February 23, 2021 updates: The auto-upgrade from 1.15 to version 1.16.15-gke.6000 was changed from nodes to control planes. The control plane auto-upgrades from 1.16 and 1.17 to 1.17.15-gke.800 was added to this channel. The node upgrades from 1.15, 1.16, and 1.17 to version 1.17.15-gke.800 were added to this channel.

February 10, 2021 updates: The node auto-upgrade from 1.15 to version 1.16.15-gke.6000 was removed from the Stable channel. The version 1.17.14-gke.1600 is no longer available in the Stable channel.

Version 1.17.15-gke.800 is now available in the Stable channel. This version is now the default.

Version 1.17.14-gke.1600 is no longer available in the Stable channel.

Auto-upgrading control planes in the Stable channel automatically upgrade from version 1.15 to version 1.16.15-gke.6000 with this release.

Auto-upgrading control planes in the Stable channel automatically upgrade from version 1.16 to version 1.17.15-gke.800 with this release.

Auto-upgrading control planes in the Stable channel automatically upgrade from version 1.17 to version 1.17.15-gke.800 with this release.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.15 to version 1.17.15-gke.800 with this release.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.16 to version 1.17.15-gke.800 with this release.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.17 to version 1.17.15-gke.800 with this release.

February 2, 2021 (2021-R4)

This note was updated on February 10, 2021. The node auto-upgrade from 1.15 to version 1.16.15-gke.6000 was removed from this channel.

Version 1.16.15-gke.7800 is now available in the Stable channel.

Version 1.17.15-gke.800 is now available in the Stable channel.

January 19, 2021 (2021-R2)

Version 1.17.14-gke.1600 is now available in the Stable channel.

Version 1.17.14-gke.1200 is no longer available in the Stable channel.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.15 to version 1.16.15-gke.6000 with this release.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.17 to version 1.17.14-gke.1600 with this release.

January 8, 2021 (2021-R1)

Version 1.16.15-gke.6000 is now available in the Stable channel. This version is now the default.

Version 1.17.14-gke.1200 is now available in the Stable channel.

Version 1.15.12-gke.20 is no longer available in the Stable channel.

Version 1.15.12-gke.6001 is no longer available in the Stable channel.

Version 1.16.15-gke.4300 is no longer available in the Stable channel.

Version 1.16.15-gke.4301 is no longer available in the Stable channel.

Version 1.16.15-gke.4901 is no longer available in the Stable channel.

Version 1.16.15-gke.5500 is no longer available in the Stable channel.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.16 to version 1.16.15-gke.6000 with this release.

December 14, 2020 (R41)

Version 1.16.15-gke.4901 is now available in the Stable channel. This version is now the default.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.16 to version 1.16.15-gke.4300 with this release.

December 7, 2020 (R40)

Version 1.15.12-gke.6002 is now available in the Stable channel.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.16 to version 1.16.15-gke.4300 with this release.

December 1, 2020 (R39)

Version 1.16.15-gke.4901 is now available in the Stable channel.

Version 1.16.15-gke.4301 is now available in the Stable channel.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.16 to version 1.16.13-gke.404 with this release.

November 25, 2020

Auto-upgrade status

GKE Auto-Upgrade is currently suspended for control planes, and nodes. Manual upgrades are available.

November 24, 2020

The November 17, 2020 release removed the following GKE version.

Version 1.16.13-gke.401 is no longer available in the Stable channel.

November 17, 2020 (R38)

This note was updated on November 24, 2020.

1.16.15-gke.4300 is now the default version in the Stable.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.16 to version 1.16.13-gke.404 with this release.

November 12, 2020 (R37)

There are no new releases in the Stable release channel.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.15 to version 1.16.13-gke.401 with this release.

November 4, 2020 (R36)

Version 1.15.12-gke.6001 is now available in the Stable channel.

October 20, 2020 (R34)

Version 1.16.13-gke.403 is now available in the Stable channel.

Auto-upgrading control planes from version 1.15 to version 1.16.13-gke.401 during this release.

October 12, 2020 (R33)

Auto-upgrading control planes upgrade from version 1.14 to version 1.15.12-gke.20 during this release.

Auto-upgrading control planes upgrade from version 1.15 to version 1.16.13-gke.401 during this release.

October 02, 2020 (R32)

Version 1.16.13-gke.401 is the new default version in the Stable channel.

Version 1.16.13-gke.1 is no longer available in the Stable channel.

Auto-upgrading nodes and control planes upgrade from version 1.15 to version 1.15.12-gke.20 during this release.

Auto-upgrading nodes and control planes upgrade from version 1.16 to version 1.16.13-gke.401 during this release.

September 25, 2020 (R31)

Version 1.16.13-gke.1 is now available in the Stable channel.

Version 1.16.13-gke.401 is now available in the Stable channel.

Coming soon

We expect the following changes in the coming weeks. This information is not a guarantee, but is provided to help you plan for upcoming changes.

GKE will begin gradually upgrading clusters in the Stable channel to GKE 1.16 beginning on or after October 6, 2020. To read about API deprecations in 1.16, see Kubernetes 1.16 deprecated APIs.

September 15, 2020 (R30)

Version 1.15.12-gke.20 is the new default version in the Stable channel.

Version 1.15.12-gke.2 is no longer available in the Stable channel.

September 14, 2020 (R29.1)

Version 1.16.13-gke.401 is now available in the Stable channel.

There is a known issue that prevents creating Stable channel clusters on 1.16. To create a 1.16 cluster on the Stable channel, create a Stable channel cluster on 1.15, and then manually upgrade to 1.16.

September 3, 2020 (R29)

Version 1.16.13-gke.1 is now available in the Stable channel.

Version 1.15.12-gke.9 is no longer available in the Stable channel.

Coming soon

Google Kubernetes Engine will begin gradually upgrading clusters in the Stable channel to GKE 1.16 in an upcoming release. To read about API deprecations in 1.16, see Kubernetes 1.16 deprecated APIs.

August 27, 2020 (R28)

Auto-upgrading nodes in the Stable channel continue upgrading from version 1.14 to 1.15.12-gke.2 during this release. All auto-upgrading nodes that have not yet upgraded to 1.15.12-gke.2 will upgrade during the R28 rollout.

July 28, 2020 (R25)

GKE continues to upgrade control planes in clusters on the Stable channel to 1.15.12-gke.2. Upgrades will proceed gradually over several GKE releases.
GKE begins to upgrade nodes in clusters on the Stable channel to 1.15.12-gke.2. Upgrades will proceed gradually over several GKE releases.

July 22, 2020 (R24)

Version 1.15.12-gke.9 is now available in the Stable channel.

Auto-upgrading nodes in the Stable channel automatically upgrade from version 1.14 to version 1.15.12-gke.2 with this release.

July 13, 2020 (R23)

Version 1.14.10-gke.46 is now available in the Stable channel.

Version 1.15.12-gke.2 is now available in the Stable channel.

Fixed issues

A bug in gVisor has been fixed. Default gVisor node labels are now applied when user-specified labels.

Coming soon

We expect the following changes in the coming weeks. This information is not a guarantee, but is provided to help you plan for upcoming changes.

  • In the next release (R24), GKE will begin to upgrade control planes in clusters on the Stable channel to 1.15.12-gke.2. Upgrades will proceed gradually over several GKE releases.

  • In an upcoming release, GKE will begin to upgrade nodes in clusters on the Stable channel to 1.15.12-gke.2. Upgrades will proceed gradually over several GKE releases.

May 13, 2020

1.14.10-gke.36 is now available in the Stable release channel.

March 26, 2020

1.14.10-gke.27 is now available in the Stable release channel.

March 16, 2020

1.14.10-gke.24 is now available in the Stable release channel.

February 11, 2020

1.14.10-gke.17 is the default for new Stable channel clusters.

January 22, 2020

1.13.11-gke.23 is the default for new Stable channel clusters.