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CoreML export fails with TypeError for models using int() on shape-derived tensors (numpy 2.x)

Status: Open.

#2755 In apple/coremltools;

· davidnichols-ops opened on Jul 8, 2026

Map MIL ops back to their originating nn.Module for debugging and profiling

feature requestFunctionality does not currently exist, would need to be created as a new feature (type)Functionality does not currently exist, would need to be created as a new feature (type)

Status: Open.

#2751 In apple/coremltools;

· RKey-PairApple opened on Jun 30, 2026

TensorFlow frontend Softplus converter still emits native softplus op (fp16 overflow risk on ANE)

Status: Open.

#2747 In apple/coremltools;

· Ashutosh0x opened on Jun 21, 2026

[PyTorch] Support divisor_override for avg_pool2d and avg_pool3d

feature requestFunctionality does not currently exist, would need to be created as a new feature (type)Functionality does not currently exist, would need to be created as a new feature (type)

Status: Open.

#2745 In apple/coremltools;

· ash010413 opened on Jun 20, 2026

# Bug Report: EnumeratedShapes / FlexibleShapeInfo models fail at inference, no workaround found

bugUnexpected behaviour that should be corrected (type)Unexpected behaviour that should be corrected (type)

Status: Open.

#2730 In apple/coremltools;

· Suad0 opened on Jun 1, 2026

logcumsumexp overflows on Apple Neural Engine in fp16 for inputs > ~11.09 (output collapses to inf then NaN)

Status: Open.

#2729 In apple/coremltools;

· Ashutosh0x opened on May 29, 2026

log_softmax produces -inf on Apple Neural Engine in fp16 when one class dominates

Status: Open.

#2728 In apple/coremltools;

· Ashutosh0x opened on May 29, 2026

[ANE] palettize_weights(nbits=4) stateful mlpackage built with cm 9.0 crashes after ~100-200 sequential predicts; cm 8.3.0 build of same source does not

Status: Open.

#2716 In apple/coremltools;

· marian-gg opened on May 24, 2026

Channel-reduce logsumexp on Apple Neural Engine has a hard fp16 overflow at x ≈ 7.63 (output drops to 0)

bugUnexpected behaviour that should be corrected (type)Unexpected behaviour that should be corrected (type)

Status: Open.

#2690 In apple/coremltools;

· ChinChangYang opened on May 5, 2026

Softplus on Apple Neural Engine has a hard fp16 discontinuity at x ≈ 10.4 (output drops to 0)

bugUnexpected behaviour that should be corrected (type)Unexpected behaviour that should be corrected (type)

Status: Open.

#2687 In apple/coremltools;

· ChinChangYang opened on May 3, 2026

InstanceNorm3d crashes on CoreML GPU path but works on CPU path

bugUnexpected behaviour that should be corrected (type)Unexpected behaviour that should be corrected (type)

Status: Open.

#2667 In apple/coremltools;

· 0xShug0 opened on Apr 2, 2026

CoreML CPU InstanceNorm3d behaves differently depending on track_running_stats

bugUnexpected behaviour that should be corrected (type)Unexpected behaviour that should be corrected (type)

PyTorch (traced)

Status: Open.

#2666 In apple/coremltools;

· 0xShug0 opened on Apr 2, 2026