--- name: containers-cl-add-ons-cluster-autoscaler title: Cluster autoscaler add-on version change log description: Review the version history for Cluster autoscaler. last-updated: 2026-08-06 --- > ## Documentation Index > The table of contents for this documentation set is at https://cloud.ibm.com/docs/containers?format=markdown > The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt > Use these files to discover more information as needed. # Cluster autoscaler add-on version change log {: #cl-add-ons-cluster-autoscaler} Patch updates : Patch updates are delivered automatically by IBM and don't contain any feature updates or changes in the supported add-on and cluster versions. Release updates : Release updates contain new features or changes in the supported add-on or cluster versions. You must manually apply release updates to your cluster autoscaler add-on. To view a list of add-ons and the supported cluster versions, run the following command or see the [Supported cluster add-ons table](https://cloud.ibm.com/docs/containers?topic=containers-supported-cluster-addon-versions&format=markdown). ```sh ibmcloud ks cluster addon versions ``` {: pre} Review the version history for Cluster autoscaler. {: shortdesc} ## Version 2.0.0 {: #cl-add-ons-cluster-autoscaler-2.0.0} ### Version 2.0.0 - v200-12-0_351296784, released 07 July 2026 {: #cl-add-ons-cluster-autoscaler-v200-12-0_351296784} - Resolves the following CVEs: [CVE-2026-42507](https://nvd.nist.gov/vuln/detail/CVE-2026-42507){: external}. - Updates Go to version `1.25.11`. - Update storage secret sidecar 1.3.56 - `1.30.7 200-12` - `1.31.5 200-12` - `1.32.7 200-12` - `1.33.4 200-12` - `1.34.4 200-12` - `1.35.0 200-12` ### Version 2.0.0 - v200-7-0_332133224, released 30 April 2026 {: #cl-add-ons-cluster-autoscaler-v200-7-0_332133224} - Update storage secret sidecar 1.3.44 - `1.30.7 200-7` - `1.31.5 200-7` - `1.32.7 200-7` - `1.33.4 200-7` - `1.34.4 200-7` - `1.35.0 200-7` ### Version 2.0.0 - v200-6-0_326846817, released 24 March 2026 {: #cl-add-ons-cluster-autoscaler-v200-6-0_326846817} - Update storage secret sidecar 1.3.43 - Fix issue where scale down to 0 was not working in CA 1.34 - `1.30.7 200-6` - `1.31.5 200-6` - `1.32.5 200-6` - `1.33.3 200-6` - `1.34.2 200-6.` ### Version 2.0.0 - v200-4_316755565, released 18 February 2026 {: #cl-add-ons-cluster-autoscaler-v200-4_316755565} - Resolves the following CVEs: [CVE-2025-13281](https://nvd.nist.gov/vuln/detail/CVE-2025-13281){: external}. - Update storage secret sidecar v1.3.40 - `1.30.7 200-4` - `1.31.5 200-4` - `1.32.5 200-4` - `1.33.3 200-4` - `1.34.2 200-4.` ### Version patch update 2.0.0-2_302959219, released 2 December 2025 {: #2.0.0-2_302959219_ca} - Adds support for scale down to 0. - Adds support for cluster version 1.34. - Updates base golang version to `1.25.4`. - Updates storage secret sidecar `1.3.37`. - Image tags: `1.30.7-v200-2`, `1.31.5-v200-2`, `1.32.4-v200-2`, `1.33.2-v200-2`, `1.34.1-v200-2`. ## Version 1.2.4 {: #cl-add-ons-cluster-autoscaler-1.2.4} ### Version 1.2.4 - v124-13-0_351834855, released 07 July 2026 {: #cl-add-ons-cluster-autoscaler-v124-13-0_351834855} - Resolves the following CVEs: [CVE-2026-27145](https://nvd.nist.gov/vuln/detail/CVE-2026-27145){: external}, and [CVE-2026-42507](https://nvd.nist.gov/vuln/detail/CVE-2026-42507){: external}. - Updates Go to version `1.25.11`. - Update storage secret sidecar 1.3.56 - `1.28.7 124-13` - `1.29.5 124-13` - `1.30.7 124-13` - `1.31.5 124-13` - `1.32.7 124-13` - `1.33.4 124-13` - `1.34.3 124-13.` ### Version 1.2.4 - v124-8-0_326847250, released 24 March 2026 {: #cl-add-ons-cluster-autoscaler-v124-8-0_326847250} - Update storage secret sidecar 1.3.43 - `1.28.7 124-8` - `1.29.5 124-8` - `1.30.7 124-8` - `1.31.5 124-8` - `1.32.5 124-8` - `1.33.3 124-8` - `1.34.2 124-8.` ### Version 1.2.4 - v124-7_312863411, released 16 February 2026 {: #cl-add-ons-cluster-autoscaler-v124-7_312863411} - Resolves the following CVEs: [CVE-2025-4563](https://nvd.nist.gov/vuln/detail/CVE-2025-4563){: external}, [CVE-2025-5187](https://nvd.nist.gov/vuln/detail/CVE-2025-5187){: external}, [CVE-2025-13281](https://nvd.nist.gov/vuln/detail/CVE-2025-13281){: external}, [CVE-2025-30204](https://nvd.nist.gov/vuln/detail/CVE-2025-30204){: external}, and [CVE-2025-22872](https://nvd.nist.gov/vuln/detail/CVE-2025-22872){: external}. - Updates Go to version `1.25.4`. - Update storage secret sidecar v1.3.39 - Adds support for cluster version 1.34. - 1.34 has functionality to cordon node before terminating via the `--cordon-node-before-terminating flag`. - `1.28.7 124-7` - `1.29.5 124-7` - `1.30.7 124-7` - `1.31.5 124-7` - `1.32.5 124-7` - `1.33.3 124-7` - `1.34.2 124-7.` ### Version patch update 1.2.4_680, released 18 July 2025. {: #124_680_ca} - Resolves the following CVEs: [CVE-2025-3576](https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-2025-3576){: external}, [CVE-2025-4673](https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-2025-4673){: external}, [CVE-2025-4802](https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-2025-4802){: external}. - Updates Go to 1.23.10 - Updates the `storage-secret-sidecar` image to `v1.3.30` - Image tags: `1.28.7 124-1`, `1.29.5 124-1`, `1.30.4 124-1`, `1.31.1 124-1`, `1.32.1 124-1`. ### Version patch update 1.2.4_629, released 22 April 2025. {: #124_629_ca} - Adds support for version 1.32 - Updates golang version to 1.23.7 - Updates the `storage-secret-sidecar` image to `v1.3.26` - Updates open source source cluster autoscaler code to latest versions for: `1.28.7`, `1.29.5`, `1.30.4`, `1.31.2`, `1.32.1`. - Image tags: `1.28.7 124-0`, `1.29.5 124-0`, `1.30.4 124-0`, `1.31.1 124-0`, `1.32.1 124-0`. Beginning in version 1.2.4 the `maxEmptyBulkDelete` option is no longer supported. Remove this option from your configmap by running `kubectl edit configmap iks-ca-configmap -n kube-system` command and deleting the option. As a replacement, you can use the `maxScaleDownParallelism` option which was added in version 1.2.4. For more information, see the [configmap reference](#ca-configmap). {: important} ### Change log for patch update 1.2.4_793, released 18th September 2025 {: #124_793_ca} - Adds support for cluster version 1.33. - Updates Golang version to 1.24.0. - Updates storage secret sidecar 1.3.32. - Resolves the following CVEs: CVE-2025-4563. - The `--max-empty-bulk-delete` option is no longer supported. Instead, use the `--max-scale-down-parallelism` option. - Adds GPU support with the `--scale-down-gpu-utilization-threshold` option for Nvidia vendors. - Image tags: `1.28.7 124-4`, `1.29.5 124-4`, `1.30.5 124-4`, `1.31.3 124-4`, `1.32.2 124-4`, `1.33.0 124-4`. ## Version 1.2.3 {: #0123_ca_addon} ### Version patch update 1.2.3_716, released 25 July 2025. {: #123_716_ca} - Resolves the following CVEs: CVE-2025-3576, CVE-2025-4673, CVE-2025-4802, CVE-2025-0426, CVE-2024-9042, CVE-2025-0426, CVE-2024-9042. - Updates Go to `1.23.10`. - Updates storage secret sidecar to `1.3.30`. - Image tags: `1.28.7 123-3`, `1.29.5 123-3`, `1.30.4 123-3`, `1.31.2 123-3`. ### Version patch update 1.2.3_540, released 10 March 2025 {: #123_540_ca} - Updates golang version to `1.22.11` for cluster version `1.28`, `1.29`, `1.30`, and `1.31`. - Updates the `storage-secret-sidecar` image to `v1.3.23`. - Updates source code to version `1.28.7`, `1.29.5`, `1.30.3`, and `1.31.1`. - Image tags: `1.27.3 123-1`, `1.28.7 123-2`, `1.29.5 123-2`, `1.30.3 123-2`, `1.31.1 123-2`. - Resolves [CVE-2024-24789](https://nvd.nist.gov/vuln/detail/CVE-2024-24789){: external}, [CVE-2024-24790](https://nvd.nist.gov/vuln/detail/CVE-2024-24790){: external}, [CVE-2024-34158](https://nvd.nist.gov/vuln/detail/CVE-2024-34158){: external}, [CVE-2024-34155](https://nvd.nist.gov/vuln/detail/CVE-2024-34155){: external}, [CVE-2024-34156](https://nvd.nist.gov/vuln/detail/CVE-2024-34156){: external}, and [CVE-2024-43040](https://nvd.nist.gov/vuln/detail/CVE-2024-43040){: external}. ### Version patch update 1.2.3_512, released 31 October 2024 {: #123_512_ca} - Adds support for version 1.31. - Updates the storage-secret-sidecar image to v1.3.16. - Image tags: `1.27.3 123-1`, `1.28.0 123-1`, `1.29.0 123-1`, `1.30.2 123-1`, `1.31.0 123-1` ## Version 1.2.2 {: #0122_ca_addon} ### Version patch update 1.2.2_466, released 15 July 2024 {: #122_466_ca} - Updates the `storage-secret-sidecar` image to `v1.3.10`. - Resolves [CVE-2024-28182](https://nvd.nist.gov/vuln/detail/CVE-2024-28182){: external} and [CVE-2023-2953](https://nvd.nist.gov/vuln/detail/CVE-2023-2953){: external} - Image tags: `1.24.0-122-0`, `1.25.0-122-0`, `1.26.4-122-0`, `1.27.3-122-0`, `1.28.0-122-0`, `1.29.0-122-0`. ### Version patch update 1.2.2_452, released 20 June 2024 {: #122452_ca} - Adds support for version 1.30. - Changes the format of the `cluster-autoscaler-status` configmap. For more information, see the [Community Kubernetes pull request](https://github.com/kubernetes/autoscaler/pull/6375){: external}. - Image tags: `1.22.0-122-0`, `1.23.0-122-0`, `1.24.0-122-0`, `1.25.0-122-0`, `1.26.4-122-0`, `1.27.3-122-0`, `1.28.0-122-0`, `1.29.0-122-0`, `1.30.0-122-0`. ## Version 1.2.1 {: #0121_ca_addon} ### Version patch update 1.2.1_467, released 15 July 2024 {: #121_467_ca} - Updates the `storage-secret-sidecar` image to `v1.3.10`. - Resolves [CVE-2024-28182](https://nvd.nist.gov/vuln/detail/CVE-2024-28182){: external} and [CVE-2023-2953](https://nvd.nist.gov/vuln/detail/CVE-2023-2953){: external} - Image tags: `1.24.0-121-2`, `1.25.0-121-2`, `1.26.4-121-2`, `1.27.3-121-2`, `1.28.0-121-2`, `1.29.0-121-2`. ### Version patch update 1.2.1_444, released 21 June 2024 {: #121444_ca} - Updates the `storage-secret-sidecar` image to `v1.3.9`. - Updates golang version to `1.21.11`. - Image tags: `1.24.0-121-2`, `1.25.0-121-2`, `1.26.4-121-2`, `1.27.3-121-2`, `1.28.0-121-2`, `1.29.0-121-2`. ### Version patch update 1.2.1_425, released 05 May 2024 {: #121425_ca} - Updates the `storage-secret-sidecar` image to `v1.3.7` - Fixes a utilization calculation bug during scale down. - Image tags: `1.22.0-121-1`, `1.23.0-121-1`, `1.24.0-121-1`, `1.25.0-121-1`, `1.26.4-121-1`, `1.27.3-121-1`, `1.28.0-121-1`, and `1.28.0-121-1`. ### Version patch update 1.2.1_418, released 02 April 2024 {: #121418_ca} - Updates the `storage-secret-sidecar` image to `v1.3.6` - Adds support for `drainPriorityConfig`, `dynamicNodeDeleteDelayAfterTaintEnabled`, `loggingFormat`, `emitPerNodegroupMetrics`, `kubeApiContentType`, `featureGates` parameters. - Image tags: `1.22.0-121-0`, `1.23.0-121-0`, `1.24.0-121-0`, `1.25.0-121-0`, `1.26.4-121-0`, `1.27.3-121-0`, `1.28.0-121-0`. ### Version patch update 1.2.1_395, released 28 February 2024 {: #121395_ca} - Adds support for cluster version 1.29. - Image tags: `1.22.0-121-0`, `1.23.0-121-0`, `1.24.0-121-0`, `1.25.0-121-0`, `1.26.4-121-0`, `1.27.3-121-0`, `1.28.0-121-0`. ## Version 1.2.0 {: #0120_ca_addon} ### Version patch update 1.2.0_468, released 15 July 2024 {: #120_468_ca} - Updates the `storage-secret-sidecar` image to `v1.3.10`. - Resolves [CVE-2024-28182](https://nvd.nist.gov/vuln/detail/CVE-2024-28182){: external} and [CVE-2023-2953](https://nvd.nist.gov/vuln/detail/CVE-2023-2953){: external} - Image tags: `1.24.0-120-6`, `1.25.0-120-6`, `1.26.4-120-6`, `1.27.3-120-6`, `1.28.0-120-6`. ### Version patch update 1.2.0_443, released 21 June 2024 {: #120443_ca} - Updates the `storage-secret-sidecar` image to `v1.3.9`. - Updates golang version to `1.21.11`. - Image tags: `1.24.0-120-6`, `1.25.0-120-6`, `1.26.4-120-6`, `1.27.3-120-6`, `1.28.0-120-6`. ### Version patch update 1.2.0_426, released 05 May 2024 {: #120426_ca} - Updates the storage-secret-sidecar image to `v1.3.7` - Fixes a utilization calculation bug during scale down. - Image tags: `1.22.0-120-5`, `1.23.0-120-5`, `1.24.0-120-5`, `1.25.0-120-5`, `1.26.4-120-5`, `1.27.3-120-5`, and `1.28.0-120-5`. ### Version patch update 1.2.0_410, released 02 April 2024 {: #120410_ca} - Updates the `storage-secret-sidecar` image to `v1.3.6` - Images tags: `1.22.0-120-4`, `1.23.0-120-4`, `1.24.0-120-4`, `1.25.0-120-4`, `1.26.4-120-4`, `1.27.3-120-4`, `1.28.0-120-4`. ### Version patch update 1.2.0_365, released 21 February 2024 {: #120365_ca} - Updated the storage-secret-sidecar image to `v1.3.5`. - Image tags: `1.22.0-120-4`, `1.23.0-120-4`, `1.24.0-120-4`, `1.25.0-120-4`, `1.26.4-120-4`, `1.27.3-120-4`, and `1.28.0-120-4`. ### Version patch update 1.2.0_322, released 16 January 2024 {: #120322_ca} - Fixes [CVE-2007-4559](https://nvd.nist.gov/vuln/detail/CVE-2007-4559){: external}, [CVE-2023-22745](https://nvd.nist.gov/vuln/detail/CVE-2023-22745){: external}, [CVE-2023-4641](https://nvd.nist.gov/vuln/detail/CVE-2023-4641){: external} - Updated the storage-secret-sidecar image to `v1.3.4` - Fixes an issue while updating custom variables via add-on. - Adds support for the `maxPodEvictionTime` parameter. - Image tags: `1.22.0-120-3`, `1.23.0-120-3`, `1.24.0-120-3`, `1.25.0-120-3`, `1.26.4-120-3`, `1.27.3-120-3`, and `1.28.0-120-3`. ### Version patch update 1.2.0_290, released 27 November 2023 {: #120290_ca} - Fixes [CVE-2007-4559](https://nvd.nist.gov/vuln/detail/CVE-2007-4559){: external}, [CVE-2023-22745](https://nvd.nist.gov/vuln/detail/CVE-2023-22745){: external}, and [CVE-2023-4641](https://nvd.nist.gov/vuln/detail/CVE-2023-4641){: external}. - Updated the storage-secret-sidecar image to `v1.3.3`. - Image tags: `1.22.0-120-2`, `1.23.0-120-2`, `1.24.0-120-2`, `1.25.0-120-2`, `1.26.4-120-2`, `1.27.3-120-2`, and `1.28.0-120-2`. ### Version patch update 1.2.0_228, released 15 November 2023 {: #120228_ca} - Adds support for cluster version 1.28 - Image tags: `1.22.0-120-2`, `1.23.0-120-2`, `1.24.0-120-2`, `1.25.0-120-2`, `1.26.4-120-2`, `1.27.3-120-2`, and `1.28.0-120-2`. ## Version 1.0.9 {: #0109_ca_addon} ### Version patch update 1.0.9_411, released 02 April 2024 {: #109411_ca} - Updates the `storage-secret-sidecar` image to `v1.2.33` - Images tags: `1.22.0-109-3`, `1.23.0-109-3`, `1.24.0-109-3`, `1.25.0-109-3`, `1.26.1-109-3`, `1.27.2-109-3`. ### Version patch update 1.0.9_377, released 21 February 2024 {: #109377_ca} - Updated the storage-secret-sidecar image to `v1.2.31`. - Fixed naming issues with the `nodeDeleteDelayAfterTaint` and `maxNodesTotal` parameters. - Image tags: `1.22.0-109-3`, `1.23.0-109-3`, `1.24.0-109-3`, `1.25.0-109-3`, `1.26.1-109-3`, `1.27.2-109-3`. ### Version patch update 1.0.9_328, released 16 January 2024 {: #109328_ca} - Fixes [CVE-2007-4559](https://nvd.nist.gov/vuln/detail/CVE-2007-4559){: external}, [CVE-2023-22745](https://nvd.nist.gov/vuln/detail/CVE-2023-22745){: external}, [CVE-2023-4641](https://nvd.nist.gov/vuln/detail/CVE-2023-4641){: external} - Updates the storage-secret-sidecar image to `v1.2.30`. - Fixes an issue while updating custom variables via add-on. ### Version patch update 1.0.9_290, released 27 November 2023 {: #109290_ca} - Fixes [CVE-2007-4559](https://nvd.nist.gov/vuln/detail/CVE-2007-4559){: external}, [CVE-2023-22745](https://nvd.nist.gov/vuln/detail/CVE-2023-22745){: external}, and [CVE-2023-4641](https://nvd.nist.gov/vuln/detail/CVE-2023-4641){: external}. - Updated the storage-secret-sidecar image to `v1.2.29`. - Image tags: `1.22.0-109-2`, `1.23.0-109-2`, `1.24.0-109-2`, `1.25.0-109-2`, `1.26.1-109-2`, `1.27.2-109-2`. ### Version patch update 1.0.9_195, released 13 November 2023 {: #109195_ca} - Updates the `storage-secret-sidecar` image to `v1.2.28`. - Updates Golang to 1.20.10. - Image tags: `1.22.0-109-2`, `1.23.0-109-2`, `1.24.0-109-2`, `1.25.0-109-2`, `1.26.1-109-2`, `1.27.2-109-2`. ### Version patch update 1.0.9_134, released 04 October 2023 {: #109134_ca} - Adds constraints to allow add-on deployment on `amd64` architecture only. - Image tags: `1.22.0-109-1`, `1.23.0-109-1`, `1.24.0-109-1`, `1.25.0-109-1`, `1.26.1-109-1`, `1.27.2-109-1`. ### Version patch update 1.0.9_103, released 15 September 2023 {: #109103_ca} - Image tags: `1.22.0-109-3`, `1.23.0-109-3`, `1.24.0-109-3`, `1.25.0-109-3`, `1.26.1-109-3`, `1.27.2-109-3`. - Updated the storage-secret-sidecar image to `v1.2.26`. - Golang update to resolve [CVE-2023-29409](https://nvd.nist.gov/vuln/detail/CVE-2023-29409){: external}. ### Version patch update 1.1.0_362, released 16 February 2024 {: #110362_ca} - Image tags: `1.21.0 110-10`, `1.22.0 110-10`, `1.23.0 110-10`, `1.24.0 110-10`, `1.25.0 110-10`. - Updates `golang` version to `1.20.11`. ### Version patch update 1.0.8_292, released 27 November 2023 {: #108292_ca} - Fixes [CVE-2007-4559](https://nvd.nist.gov/vuln/detail/CVE-2007-4559){: external}, [CVE-2023-22745](https://nvd.nist.gov/vuln/detail/CVE-2023-22745){: external}, and [CVE-2023-4641](https://nvd.nist.gov/vuln/detail/CVE-2023-4641){: external}. - Updated the storage-secret-sidecar image to `v1.2.29`. - Image tags: `1.20.0 108-5`, `1.21.0 108-5`, `1.22.0 108-5`, `1.23.0 108-5`, `1.24.0 108-5`, `1.25.0 108-5`, and `1.26.0 108-5`. ### Version patch update 1.0.8_233, released 13 November 2023 {: #108233_ca} - Updates the `storage-secret-sidecar` image to `v1.2.28`. - Updates Golang to 1.20.10. - Image tags: `1.20.0 108-5`, `1.21.0 108-5`, `1.22.0 108-5`, `1.23.0 108-5`, `1.24.0 108-5`, `1.25.0 108-5`, and `1.26.0 108-5`. ### Version patch update 1.0.8_104, released 15 September 2023 {: #108104_ca} - Image tags: `1.22.0-108-4`, `1.23.0-109-4`, `1.24.0-108-4`, `1.25.0-108-4`, `1.26.1-108-4`, `1.27.2-109-4`. - Updated the storage-secret-sidecar image to `v1.2.26`. - Golang update to resolve [CVE-2023-29409](https://nvd.nist.gov/vuln/detail/CVE-2023-29409){: external}. ### Version patch update 1.0.7_291, released 27 November 2023 {: #107291_ca} - Fixes [CVE-2007-4559](https://nvd.nist.gov/vuln/detail/CVE-2007-4559){: external}, [CVE-2023-22745](https://nvd.nist.gov/vuln/detail/CVE-2023-22745){: external}, and [CVE-2023-4641](https://nvd.nist.gov/vuln/detail/CVE-2023-4641){: external}. - Updated the storage-secret-sidecar image to `v1.2.29`. - Image tags: `1.20.0 107-7`, `1.21.0 107-7`, `1.22.0 107-7`, `1.23.0 107-7`, `1.24.0 107-7`, and `1.25.0 107-7`. ### Version patch update 1.0.7_185, released 13 November 2023 {: #107_185_ca} - Updates the `storage-secret-sidecar` image to `v1.2.28`. - Updates Golang to 1.20.10. - Image tags: `1.20.0 107-7`, `1.21.0 107-7`, `1.22.0 107-7`, `1.23.0 107-7`, `1.24.0 107-7`, and `1.25.0 107-7`. ### Version patch update 1.0.7_102, released 15 September 2023 {: #107102_ca} - Image tags: `1.22.0-107-7`, `1.23.0-107-7`, `1.24.0-107-7`, `1.25.0-107-7`, `1.26.1-107-7`, `1.27.2-107-7`. - Updated the storage-secret-sidecar image to `v1.2.26`. - Golang update to resolve [CVE-2023-29409](https://nvd.nist.gov/vuln/detail/CVE-2023-29409){: external}.