.. _neuron-2-33-0-whatsnew:
.. _latest-neuron-release:

.. meta::
   :description: The official release notes for the AWS Neuron SDK, version 2.33.0. Release date: 10/19/2026.

AWS Neuron SDK 2.33.0 release notes
===================================

**Date of release**: October 19, 2026

This page provides detailed component release notes for the Neuron SDK 2.33.0. For an overview of the release content, see :ref:`What's New in AWS Neuron <whats-new-2026-10-19-v2_33>`.

Package and Library Updates
---------------------------

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        :gutter: 2

        .. grid-item-card::
                :link: latest-neuron-release-artifacts
                :link-type: ref
                :class-card: sd-border-1
        
                **Neuron 2.33.0 release artifacts**
                ^^^
                The libraries and packages updated in this Neuron release.

Component Release Notes
-----------------------

Select a card below to review detailed release notes for each component of the Neuron SDK version 2.33.0. These component release notes contain details on specific new and improved features, as well as breaking changes, bug fixes, and known issues for that component area of the Neuron SDK. Some components may not be updated in this release.

* For the full set of component release notes across Neuron versions, see :doc:`/release-notes/components/index`.

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        .. grid-item-card:: 
                :link: components/torchneuron
                :link-type: doc

                **TorchNeuron (Beta)** 2.33.0 release notes
                ^^^
                PyTorch framework integration for AWS Trainium.

        .. grid-item-card:: 
                :link: components/torchtitan-neuron
                :link-type: doc

                **TorchTitan Neuron (Beta)** 2.33.0 release notes
                ^^^
                TorchTitan extension for large-model pre-training on AWS Trainium with TorchNeuron.

        .. grid-item-card:: 
                :link: components/jax
                :link-type: doc

                **JAX NeuronX** 2.33.0 release notes
                ^^^
                JAX framework integration for AWS Trainium and Inferentia.

        .. grid-item-card:: 
                :link: components/nki
                :link-type: doc

                **Neuron Kernel Interface (NKI)** 2.33.0 release notes
                ^^^
                Neuron's Python-based programming interface for developing and optimizing Neuron kernels.

        .. grid-item-card:: 
                :link: components/nki-lib
                :link-type: doc

                **NKI Library (NKI-Lib)** 2.33.0 release notes
                ^^^
                Reference kernels and utilities for Neuron kernel development with NKI.

        .. grid-item-card:: 
                :link: components/compiler
                :link-type: doc

                **Neuron Graph Compiler (neuronx-cc)** 2.33.0 release notes
                ^^^
                The Neuron Graph Compiler that transforms ML graphs and NKI kernels into Neuron Executable File Format (NEFF) files.


        .. grid-item-card:: 
                :link: components/runtime
                :link-type: doc

                **Neuron Runtime** 2.33.0 release notes
                ^^^
                The Neuron kernel driver and C++ libraries for AWS Inferentia and Trainium instances.

        .. grid-item-card:: 
                :link: components/dev-tools
                :link-type: doc

                **Neuron Developer Tools** 2.33.0 release notes
                ^^^
                Tools that support end-to-end development for AWS Neuron, including Neuron Explorer.

        .. grid-item-card:: 
                :link: components/observer
                :link-type: doc

                **Neuron Observer (Beta)** 2.33.0 release notes
                ^^^
                Low-overhead cluster health and observability for Trainium.

        .. grid-item-card:: 
                :link: components/agentic-development
                :link-type: doc

                **Neuron Agentic Development** 2.33.0 release notes
                ^^^
                Open-source AI agents and skills for NKI kernel authoring, debugging, profiling, and HuggingFace model porting in agentic IDEs.

        .. grid-item-card:: 
                :link: components/vllm-neuron
                :link-type: doc

                **vLLM Neuron (Beta)** 2.33.0 release notes
                ^^^
                High-performance LLM inference serving on Neuron with vLLM.

        .. grid-item-card:: 
                :link: components/vllm-omni-neuron
                :link-type: doc

                **vLLM Omni Neuron (Beta)** 2.33.0 release notes
                ^^^
                Diffuser-type multimodal generation (image and video) on Neuron with vLLM Omni.

        .. grid-item-card:: 
                :link: components/dlamis
                :link-type: doc

                **Neuron Deep Learning AWS Machine Images (DLAMIs)** 2.33.0 release notes
                ^^^
                AWS-specific machine images for building and deploying Neuron-based ML solutions.
 
        .. grid-item-card:: 
                :link: components/containers
                :link-type: doc

                **Neuron Deep Learning Containers (DLCs)** 2.33.0 release notes
                ^^^
                AWS-specific container definitions for building and deploying Neuron-based ML solutions.
        

Previous releases
-----------------

* :doc:`Neuron 2.32.0 </release-notes/prev/2.32.0>`
* :doc:`Neuron 2.31.1 </release-notes/prev/2.31.1>`
* :doc:`Neuron 2.31.0 </release-notes/prev/2.31.0>`
* :doc:`Neuron 2.30.0 </release-notes/prev/2.30.0>`
* :doc:`Neuron 2.29.1 </release-notes/prev/2.29.1>`
* :doc:`Neuron 2.29.0 </release-notes/prev/2.29.0>`
* :doc:`Neuron 2.28.1 </release-notes/prev/2.28.1>`
* :doc:`Neuron 2.28.0 </release-notes/prev/2.28.0>`
* :doc:`Earlier releases </release-notes/prev/rn>`