> ## Documentation Index
> Fetch the complete documentation index at: https://docs.poolside.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Certified on-premises software stack: April 2026

> Certified software components and versions for the Poolside April 2026 on-premises software stack.

## Summary

Use this page to verify the certified software components and versions for Poolside on-premises release April 2026.

To inspect the exact components running in your environment, see [View the software components in your deployment](/deployment/on-prem/certified-stacks/overview#view-the-software-components-in-your-deployment).

## Version summary

| Category          | Key versions   |
| ----------------- | -------------- |
| Release           | 2026.04.28     |
| Kubernetes (RKE2) | v1.35.3+rke2r3 |
| PostgreSQL        | 16.8           |
| Keycloak          | 26.5.0-0       |
| SeaweedFS         | 4.13           |
| GPU Operator      | v26.3.0        |
| NVIDIA Driver     | 580.126.20     |
| cert-manager      | v1.19.2        |
| Terraform         | 1.8.5          |

## Supported operating systems

| Operating system                | Version   |
| ------------------------------- | --------- |
| Ubuntu                          | 22.04 LTS |
| Ubuntu                          | 24.04 LTS |
| Red Hat Enterprise Linux (RHEL) | 9.6       |

## Required tools (not included)

| Component | Version  | Description            |
| --------- | -------- | ---------------------- |
| Terraform | 1.8.5    | Infrastructure as Code |
| kubectl   | v1.35+   | Kubernetes CLI         |
| yq        | v4.49.2+ | YAML processor         |
| skopeo    | v1.18+   | Container image tool   |
| jq        | 1.6      | JSON processor         |

## Core infrastructure

| Component | Version        | Description                 |
| --------- | -------------- | --------------------------- |
| RKE2      | v1.35.3+rke2r3 | Rancher Kubernetes Engine 2 |

## Terraform providers

| Provider             | Version | Registry              |
| -------------------- | ------- | --------------------- |
| hashicorp/kubernetes | 3.0.1   | registry.terraform.io |
| hashicorp/helm       | 3.1.1   | registry.terraform.io |
| hashicorp/kubernetes | 3.1.0   | registry.terraform.io |
| hashicorp/local      | 2.6.1   | registry.terraform.io |
| hashicorp/local      | 2.8.0   | registry.terraform.io |
| hashicorp/null       | 3.2.4   | registry.terraform.io |
| hashicorp/random     | 3.8.0   | registry.terraform.io |
| alekc/kubectl        | 2.1.3   | registry.terraform.io |

## Helm charts

| Chart                  | Version | App version | Description                |
| ---------------------- | ------- | ----------- | -------------------------- |
| GPU Operator           | 26.3.0  | v26.3.0     | NVIDIA GPU management      |
| Node Feature Discovery | 0.18.3  | v0.18.3     | Hardware feature detection |
| cert-manager           | v1.19.2 | v1.19.2     | Certificate management     |
| SeaweedFS              | 4.0.413 | 4.13        | Distributed storage        |

## Poolside binaries (S3 artifacts)

| Component        | Version |
| ---------------- | ------- |
| pool             | v0.3.3  |
| vs-extension     | v4.2.0  |
| vscode-extension | v4.2.0  |

## Poolside application components

| Component      | Version        |
| -------------- | -------------- |
| atlas          | 202604-2       |
| web-assistant  | 5.4.9          |
| forge\_api     | 5.4.9          |
| forge\_sandbox | 0.0.18-5fb1178 |
| public-docs    | 0.0.6          |

## Database and identity

| Container  | Repository                  | Tag      |
| ---------- | --------------------------- | -------- |
| PostgreSQL | docker.io/postgres          | 16.8     |
| Keycloak   | docker.io/keycloak/keycloak | 26.5.0-0 |

## Storage (SeaweedFS)

| Container | Repository                    | Tag  |
| --------- | ----------------------------- | ---- |
| SeaweedFS | docker.io/chrislusf/seaweedfs | 4.13 |

## Container registry

| Container       | Repository         | Tag |
| --------------- | ------------------ | --- |
| Docker Registry | docker.io/registry | 3   |

## Utilities

| Container | Repository               | Tag          |
| --------- | ------------------------ | ------------ |
| BusyBox   | docker.io/busybox        | 1.37.0-glibc |
| AWS CLI   | docker.io/amazon/aws-cli | 2.33.2       |

## cert-manager components

| Container                    | Repository                                    | Tag     |
| ---------------------------- | --------------------------------------------- | ------- |
| cert-manager-controller      | quay.io/jetstack/cert-manager-controller      | v1.19.2 |
| cert-manager-webhook         | quay.io/jetstack/cert-manager-webhook         | v1.19.2 |
| cert-manager-cainjector      | quay.io/jetstack/cert-manager-cainjector      | v1.19.2 |
| cert-manager-acmesolver      | quay.io/jetstack/cert-manager-acmesolver      | v1.19.2 |
| cert-manager-startupapicheck | quay.io/jetstack/cert-manager-startupapicheck | v1.19.2 |

## NVIDIA GPU Operator components

| Container                    | Repository                                         | Tag                    |
| ---------------------------- | -------------------------------------------------- | ---------------------- |
| GPU Operator                 | nvcr.io/nvidia/gpu-operator                        | v26.3.0                |
| GPU Operator Validator       | nvcr.io/nvidia/cloud-native/gpu-operator-validator | v26.3.0                |
| NVIDIA Driver (Ubuntu 22.04) | nvcr.io/nvidia/driver                              | 580.126.20-ubuntu22.04 |
| NVIDIA Driver (Ubuntu 24.04) | nvcr.io/nvidia/driver                              | 580.126.20-ubuntu24.04 |
| NVIDIA Driver (RHEL)         | nvcr.io/nvidia/driver                              | 580.126.20-rhel9.6     |
| CUDA Base                    | nvcr.io/nvidia/cuda                                | 13.0.1-base-ubi9       |
| k8s Device Plugin            | nvcr.io/nvidia/k8s-device-plugin                   | v0.19.0                |
| Container Toolkit            | nvcr.io/nvidia/k8s/container-toolkit               | v1.19.0                |
| DCGM Exporter                | nvcr.io/nvidia/k8s/dcgm-exporter                   | 4.5.1-4.8.0-distroless |
| k8s Driver Manager           | nvcr.io/nvidia/cloud-native/k8s-driver-manager     | v0.10.0                |
| MIG Manager                  | nvcr.io/nvidia/cloud-native/k8s-mig-manager        | v0.14.0                |
| vGPU Device Manager          | nvcr.io/nvidia/cloud-native/vgpu-device-manager    | v0.4.2                 |
| KubeVirt GPU Device Plugin   | nvcr.io/nvidia/kubevirt-gpu-device-plugin          | v1.5.0                 |
| Confidential Compute Manager | nvcr.io/nvidia/cloud-native/k8s-cc-manager         | v0.3.0                 |
| Node Feature Discovery       | registry.k8s.io/nfd/node-feature-discovery         | v0.18.3                |

## Envoy Gateway

| Container     | Repository                   | Tag     |
| ------------- | ---------------------------- | ------- |
| Envoy         | docker.io/envoyproxy/envoy   | v1.37.2 |
| Envoy Gateway | docker.io/envoyproxy/gateway | v1.7.2  |