Nightly Releases

Nightly container images, Python wheels, install patterns, and current backend versions.
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Dynamo publishes nightly builds from main. Nightlies let you try the latest features and backend upgrades before they land in a stable release. This page covers what nightly publishes, how to install it, and which backend versions the current and recent nightlies ship.

Nightly builds are experimental and are not QA-validated. They are built from the tip of main and may contain bugs, breaking changes, or incomplete features. Use stable releases for production workloads.

Recent Nightlies

Nightly builds

Recent pinned wheel builds

Nightly wheels are pinned by date. Runtime containers use rolling NGC tags, so the container buttons always pull the latest nightly image.

1.4.0.dev20260803

Aug 3, 2026

ai-dynamoai-dynamo-runtimekvbm
1.4.0.dev20260802

Aug 2, 2026

ai-dynamoai-dynamo-runtimekvbm
1.4.0.dev20260730

Jul 30, 2026

ai-dynamoai-dynamo-runtime

kvbm was not published for this nightly.

What Gets Published

Every night, the Nightly CI pipeline builds main and publishes:

  • Container images (CUDA 13): vllm-runtime-nightly, sglang-runtime-nightly, and tensorrtllm-runtime-nightly to NGC.
  • Python wheels: ai-dynamo, ai-dynamo-runtime, and kvbm to the NVIDIA prerelease index at pypi.nvidia.com.

Nightly deliberately does not publish EFA image variants, dynamo-frontend, kubernetes-operator, dynamo-planner, snapshot-agent, Helm charts, or Rust crates. For those, use a stable or pre-release build.

Installing Nightly Containers

Nightly images live in their own -nightly NGC repositories so they cannot be pulled accidentally in place of a stable image. Runtime containers use a floating :latest tag for the most recent nightly build.

$# Always the latest nightly
$docker pull nvcr.io/nvidia/ai-dynamo/vllm-runtime-nightly:latest
$docker pull nvcr.io/nvidia/ai-dynamo/sglang-runtime-nightly:latest
$docker pull nvcr.io/nvidia/ai-dynamo/tensorrtllm-runtime-nightly:latest

The old nightly docs also described immutable :YYYYMMDD-<shortsha> container tags. Those tags are not currently visible for the recent NGC nightly images, so use :latest unless you have a specific tag from the publish job.

Installing Nightly Wheels

Nightly wheels are published to the NVIDIA prerelease index at pypi.nvidia.com, not the public PyPI. They are Linux manylinux builds for the Python versions in Compatibility; install on a supported Linux host or inside a Linux container. Nightly versions follow PEP 440 dev versioning, X.Y.Z.devYYYYMMDD.

$# Latest nightly (uv)
$uv pip install --pre --extra-index-url https://pypi.nvidia.com/ ai-dynamo
$
$# Latest nightly (pip)
$pip install --pre --extra-index-url https://pypi.nvidia.com/ ai-dynamo
$
$# Pin a specific nightly wheel
$uv pip install --pre --extra-index-url https://pypi.nvidia.com/ "ai-dynamo[vllm]==1.4.0.dev20260803"

Backend extras such as ai-dynamo[vllm] and ai-dynamo[sglang] use the same flags. For TensorRT-LLM, use the nightly container rather than a PyPI extra.

Backend Versions

Nightlies track main, so the backend versions they ship change as main advances. To find which nightly or stable build ships a given backend version, and get the exact pull or install command, use the build selector in the Kubernetes Quickstart.

To confirm the exact versions a specific nightly shipped, read them from the pulled image:

$docker run --rm nvcr.io/nvidia/ai-dynamo/vllm-runtime-nightly:latest pip show vllm

See Also