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docs: Add stylus.includeTui deprecation warning (#8693)
* Add stylus.includeTui deprecation warning * Update announcements.md * ci: auto-formatting prettier issues * Update docs/docs-content/release-notes/announcements.md Co-authored-by: Amanda Churi Filanowski <[email protected]> * Update announcements.md * ci: auto-formatting prettier issues --------- Co-authored-by: svetlana-efimova <[email protected]> Co-authored-by: Amanda Churi Filanowski <[email protected]>
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docs/docs-content/release-notes/announcements.md

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@@ -31,12 +31,13 @@ for the changes in your environment.
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The table below lists the upcoming deprecations in Palette and Palette VerteX. Review the information to below and take
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necessary actions to avoid any disruptions in your environment.
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| Change | Target Removal Date | Published Date |
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| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------- | ---------------- |
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| [OpenStack](../clusters/data-center/openstack.md) support in Palette is now deprecated and will be removed in a future release. After removal, you will no longer be able to create and manage OpenStack clusters, cluster profiles, cloud accounts, or Private Cloud Gateways. We recommend migrating your workloads to another supported [Data Center environment](../clusters/data-center/data-center.md). | April 4, 2026 | October 18, 2025 |
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| [EKS-optimized Amazon Linux 2 (AL2) AMIs](https://docs.aws.amazon.com/eks/latest/userguide/eks-ami-deprecation-faqs.html) will be disabled in Palette from January 10, 2026 and removed on 4 April, 2026. When disabled, you will no longer be able to select the AL2 AMIs for EKS worker nodes in Palette for new clusters. For existing clusters, you must create new worker nodes using AL2023 AMIs. Existing AL2 AMI worker nodes will no longer receive bug fixes or security patches after the removal date. Refer to our [Scenario - Unable to Upgrade EKS Worker Nodes from AL2 to AL2023](../troubleshooting/cluster-deployment.md#scenario---unable-to-upgrade-eks-worker-nodes-from-al2-to-al2023) guide for help with migrating workloads. | April 4, 2026 | October 18, 2025 |
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| The [Palette Edge CLI](../downloads/cli-tools.md#palette-edge-cli) is deprecated and will be removed in a future release. We recommend using the [Palette CLI](../automation/palette-cli/palette-cli.md) for the creation and management of content bundles. Refer to the [Build Content Bundle](../clusters/edge/edgeforge-workflow/palette-canvos/build-content-bundle.md) guide for further information. | April 4, 2026 | May 25, 2025 |
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| The `stylus.installationMode` [Edge Installer Configuration](../clusters/edge/edge-configuration/installer-reference.md) flag is deprecated. We recommend using the `stylus.managementMode` flag instead, which has two allowed values: `central`, which means the Edge host is connected to Palette, and `local`, which means the Edge host has no connection to a Palette instance. Refer to the [Prepare User Data](../clusters/edge/edgeforge-workflow/prepare-user-data.md) guide for further information. | December 6, 2025 | May 25, 2025 |
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| Change | Target Removal Date | Published Date |
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| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------- | ----------------- |
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| The `stylus.includeTui` [Edge Installer Configuration](../clusters/edge/edge-configuration/installer-reference.md) flag is now deprecated. The Terminal User Interface (TUI) is always enabled regardless of the `stylus.includeTui` value. | May 9, 2026 | November 22, 2025 |
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| [OpenStack](../clusters/data-center/openstack.md) support in Palette is now deprecated and will be removed in a future release. After removal, you will no longer be able to create and manage OpenStack clusters, cluster profiles, cloud accounts, or Private Cloud Gateways. We recommend migrating your workloads to another supported [Data Center environment](../clusters/data-center/data-center.md). | April 4, 2026 | October 18, 2025 |
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| [EKS-optimized Amazon Linux 2 (AL2) AMIs](https://docs.aws.amazon.com/eks/latest/userguide/eks-ami-deprecation-faqs.html) will be disabled in Palette from January 10, 2026 and removed on 4 April, 2026. When disabled, you will no longer be able to select the AL2 AMIs for EKS worker nodes in Palette for new clusters. For existing clusters, you must create new worker nodes using AL2023 AMIs. Existing AL2 AMI worker nodes will no longer receive bug fixes or security patches after the removal date. Refer to our [Scenario - Unable to Upgrade EKS Worker Nodes from AL2 to AL2023](../troubleshooting/cluster-deployment.md#scenario---unable-to-upgrade-eks-worker-nodes-from-al2-to-al2023) guide for help with migrating workloads. | April 4, 2026 | October 18, 2025 |
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| The [Palette Edge CLI](../downloads/cli-tools.md#palette-edge-cli) is deprecated and will be removed in a future release. We recommend using the [Palette CLI](../automation/palette-cli/palette-cli.md) for the creation and management of content bundles. Refer to the [Build Content Bundle](../clusters/edge/edgeforge-workflow/palette-canvos/build-content-bundle.md) guide for further information. | April 4, 2026 | May 25, 2025 |
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| The `stylus.installationMode` [Edge Installer Configuration](../clusters/edge/edge-configuration/installer-reference.md) flag is deprecated. We recommend using the `stylus.managementMode` flag instead, which has two allowed values: `central`, which means the Edge host is connected to Palette, and `local`, which means the Edge host has no connection to a Palette instance. Refer to the [Prepare User Data](../clusters/edge/edgeforge-workflow/prepare-user-data.md) guide for further information. | December 6, 2025 | May 25, 2025 |
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