PyTorch 2.2.1 Release, bug fix release
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This release is meant to fix the following issues (regressions / silent correctness): - Fix missing OpenMP support on Apple Silicon binaries (https://github.com/pytorch/builder/pull/1697) - Fix crash when mixing lazy and non-lazy tensors in one operation (https://github.com/pytorch/pytorch/pull/117653) - Fix PyTorch performance regression on Linux aarch64 (https://github.com/pytorch/builder/pull/1696) - Fix silent correctness in DTensor `_to_copy` operation (https://github.com/pytorch/pytorch/pull/116426) - Fix properly assigning `param.grad_fn` for next forward (https://github.com/pytorch/pytorch/pull/116792) - Ensure gradient clear out pending `AsyncCollectiveTensor` in FSDP Extension (https://github.com/pytorch/pytorch/pull/116122) - Fix processing unflatten tensor on compute stream in FSDP Extension (https://github.com/pytorch/pytorch/pull/116559) - Fix FSDP `AssertionError` on tensor subclass when setting `sync_module_states=True` (https://github.com/pytorch/pytorch/pull/117336) - Fix DCP state_dict cannot correctly find FQN when the leaf module is wrapped by FSDP (https://github.com/pytorch/pytorch/pull/115592) - Fix OOM when when returning a AsyncCollectiveTensor by forci...
Read the original at the source: https://github.com/pytorch/pytorch/releases/tag/v2.2.1
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- September 15, 2026 19:08
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