3.21 Releases

Convox 3.21 upgrades Kubernetes to 1.31 and introduces NVIDIA GPU device plugin support, additional node group tags and IDs, release-based environment variable management, and EBS volume encryption.

3.21.0

Released: 2025-04-02

Updates

• Upgraded Kubernetes to v1.31 (PR #875)
• Updated BuildKit to v0.20.1 (PR #875)
• Updated EBS CSI Driver to v1.41.0-eksbuild.1 (PR #875)
• Updated EFS CSI Driver to v2.1.6-eksbuild.1 (PR #875)
• Updated Kube Proxy to v1.31.2-eksbuild.3 (PR #875)

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3.21.1

Released: 2025-04-14

Feature Additions

• Added support for ID and custom tags in additional node group configuration (PR #880)
• Enabled NVIDIA GPU device plugin support via rack parameter (PR #879)
• Introduced release-based environment variable management (PR #878)

Fixes

• Initial fix to add readinessProbe for gRPC services (PR #877)

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3.21.2

Released: 2025-04-24

Updates

• GCP: Upgraded Terraform Google provider to 6.31.0, migrated image hosting from gcr.io to Google Artifact Registry (PR #884)

Fixes

• Fixed release-based ENV updates to correctly target the associated build (PR #884)
• Resolved nginx-related issues in GCP racks (PR #884)

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3.21.3

Released: 2025-05-12

Updates

• Added tolerations and GPU support for convox run on dedicated nodes (PR #887)
• Enabled NVIDIA GPU plugin on dedicated node groups (PR #886)

Fixes

• Fixed liveness probe health check system (PR #887)

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3.21.4

Released: 2025-06-25

Feature Additions

• Added support for NVIDIA GPU time slicing (PR #898)
• Added option to create release using build from one release and environment from another (PR #897)
• Added rack parameter to disable Convox resolver for services (PR #899)

Updates

• Removed Docker client and Docker mount dependency (PR #900)

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3.21.5

Released: 2025-07-17

Feature Additions

• Added EBS volume encryption for EKS cluster node disks (PR #903)
• Enabled build cache for GCP-based racks using BuildKit (PR #902)

Updates

• Azure rack install improvements with documentation updates and provider upgrades (PR #890)

Fixes

• Resolved convox resources command display issue for ElastiCache resources (PR #904)

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See Also

• Releases for the full release history
• GPU Scaling for GPU configuration
• Workload Placement for node group placement