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SharedQuantizationSpec crashes when the referenced anchor node appears later in graph order

bugSomething isn't workingSomething isn't working

Status: Open.

#4421 In pytorch/ao;

· AdrianLundell opened on May 18, 2026

constant_fold deletes shared get_attr target while another get_attr for the same target is still live

bugSomething isn't workingSomething isn't working

module: pt2e_quantpt2 export quantization (prepare_pt2e, convert_pt2e, quantizer)pt2 export quantization (prepare_pt2e, convert_pt2e, quantizer)

Status: Open.

#4420 In pytorch/ao;

· AdrianLundell opened on May 18, 2026

[RFC] MoE Quantization-Aware Training (QAT) in TorchAO

Status: Open.

#4408 In pytorch/ao;

· CaoSY opened on May 15, 2026

Lightning Supply Chain Attack -- Potential risk via torch.ao?

Status: Open.

#4385 In pytorch/ao;

· codingbutstillalive opened on May 12, 2026

Float8DynamicActivationFloat8WeightConfig is inference-only — backward fails on torch._scaled_mm; document or add training-aware variant

Status: Open.

#4376 In pytorch/ao;

· genno-whittlery opened on May 11, 2026

Int8DynamicActivationInt8WeightConfig noticeably slower than torch.ao's quantize_dynamic()

cpu

performance

Status: Open.

#4365 In pytorch/ao;

· mscdex opened on May 5, 2026

[RFC] Enabling MoE Inference Quantization in TorchAO

tracker

Status: Open.

#4355 In pytorch/ao;

· xiaowangintel opened on Apr 30, 2026

Windows CUDA builds not available?

bugSomething isn't workingSomething isn't working

Status: Open.

#4346 In pytorch/ao;

· sakgoyal opened on Apr 28, 2026

MXFP8 MoE Training: Bias parameter mismatch between PyTorch's grouped_mm and TorchAO's _quantize_then_scaled_grouped_mm causes unexpected keyword argument error

module: trainingquantize_ api training flowquantize_ api training flow

moe

mx

Status: Open.

#4341 In pytorch/ao;

· lu-zhuge opened on Apr 27, 2026

·  

MXFP8 Training

Parametrized dtype overridden in test_autotuner; wrong variable in test_integration error message

Status: Open.

#4339 In pytorch/ao;

· tatavishnurao opened on Apr 26, 2026

Broken imports and bugs in benchmarks directory

Status: Open.

#4335 In pytorch/ao;

· tatavishnurao opened on Apr 25, 2026

Bug fixes and code quality improvements across prototype modules

Status: Open.

#4333 In pytorch/ao;

· tatavishnurao opened on Apr 25, 2026