Today, AWS announces the general availability of AWS Neuron 2.30.0, delivering NKI 0.4.0 with new AWS Trainium3 specific hardware capabilities, 22 new NKI Library kernels, and expanded Neuron Agentic Development skills for model porting and validation. This release is for ML developers building custom kernels, optimizing training and inference workloads, or porting models to AWS Trainium and Inferentia. NKI 0.4.0 introduces the activate2 Scalar Engine instruction for Trn3, OCP FP8 input support for matrix multiplication, and bytes-aware tile-size constants that simplify kernel development.