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PyTorch 2.6 defaults `torch.load` toward safer weights-only loading. Full-object checkpoints with custom classes now need explicit allowlisting or migration to `state_dict`.

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PyTorch 2.6 torch.load weights_only default

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PyTorch _GLIBCXX_USE_CXX11_ABI custom extension documentationSerialization security default · 22 observed queries PyTorch 2.6 torch.load weights_only default True unsupported global safe_globals documentationSerialization security default · 12 observed queries PyTorch add_safe_globals safe_globals full path module name weights_onlySerialization security default · 9 observed queries PyTorch torch.load weights_only default 2.6 unsafe arbitrary code executionSerialization security default · 9 observed queries PyTorch torch.load weights_only Unsupported global safe_globals official documentationSerialization security default · 8 observed queries PyTorch weights_only NumPy dtype below 1.25 error safe_globalsSerialization security default · 7 observed queries torch.serialization.safe_globals documentationSerialization security default · 7 observed queries PyTorch 2.6 conda official channel missing package pytorch 2.6 conda install officialSerialization security default · 6 observed queries PyTorch torch.load weights_only default True safe globals custom class UnpicklingError 2.6ML serialization security default · 6 observed queries PyTorch torch.load weights_only safe_globals documentationML serialization security default · 6 observed queries PyTorch 2.6 torch.load weights_only default Unsupported global GLOBAL __main__.MyModel safe_globals officialSerialization security default · 5 observed queries PyTorch serialization notes torch.load weights_only True default 2.6Serialization security default · 5 observed queries pytorch torch.load weights_only numpy.dtypes.Float32DTypeSerialization security default · 5 observed queries PyTorch torch.load weights_only default 2.6 safe_globalsML serialization security default · 5 observed queries PyTorch torch.load weights_only default 2.6 serialization security documentationML serialization security default · 4 observed queries