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

AWS Neuron SDK 2.26.0: Neuron Runtime release notes#

Date of release: September 18, 2025

Released versions#

  • Neuron Driver: 2.24.7.0

  • Neuron Runtime Library: 2.28.19.0

  • Neuron Collectives: 2.28.20.0

Neuron Runtime Library 2.28.19.0#

  • Added rank ID to all events emitted from the Profiler 2.0 system trace.

  • Improved timestamp alignment of Profiler 2.0 NeuronCore and CPU system trace events enhancing the accuracy of the trace timeline.

Neuron Driver 2.24.7.0#

  • Fixed installation issue causing builds to fail for Linux Kernels 6.13+.

Neuron Runtime Library 2.28.19.0#

  • Fixed bug where nrt_unload returned NRT_SUCCESS even when model stop fails due to Neuron Core lockups.

  • Fixed bug where model_name was empty in Profiler 2.0 system trace events.

Neuron Collectives 2.28.20.0#

  • Fixed bug where error messages were incorrectly being displayed on machines with no EFA devices.

Previous release notes#

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