This document is relevant for: Inf1, Inf2, Trn1, Trn2

AWS Neuron SDK Release Notes#

Last updated: July 31, 2025

This is the official home page for the AWS Neuron SDK release notes. Release notes are provided whenever AWS and Annapurna labs releases a new version of the Neuron SDK. Select a release version and review what it brings to you!

Note

The AWS Neuron SDK is updated regularly with new versions. These releases follow a semantic versioning model of (major).(minor).(patch). major versions are more likely to introduce new features and breaking changes over a prior major version. minor versions add feature and API improvements and may introduce smaller breaking changes. patch versions typically provide bug fixes and will not have breaking changes.

Latest AWS Neuron SDK release: 2.25.0

On 7/31/2025, AWS and Annapurna Labs released version 2.25.0 of the Neuron SDK. Neuron 2.25.0 delivers updates across several key areas: inference performance optimizations, expanded model support, enhanced profiling capabilities, improved monitoring and observability tools, framework updates, and refreshed development environments and container offerings. The release includes bug fixes across the SDK components, along with updated tutorials and documentation for new features and model deployments.

For more details, see the full AWS Neuron SDK 2.25.0 release notes.

Previous AWS Neuron SDK releases#

SDK version

Date released

2.24.1

06/30/25

2.24.0

06/24/25

2.23.0

06/10/25

2.22.1

05/12/25

2.22.0

04/03/25

2.21.1

01/14/25

2.21.0 Beta

12/03/24

2.20.2

11/20/24

Older releases#

Release notes are archived when the major version of a release is incremented.

This document is relevant for: Inf1, Inf2, Trn1, Trn2