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 forcing _gather_state_dict() to be synchronous with respect to the mian stream. (https://github.com/pytorch/pytorch/pull/118197) (https://github.com/pytorch/pytorch/pull/119716)
• Fix Windows runtime torch.distributed.DistNetworkError: [WinError 32] The process cannot access the file because it is being used by another process (https://github.com/pytorch/pytorch/pull/118860)
• Update supported python versions in package description (https://github.com/pytorch/pytorch/pull/119743)
• Fix SIGILL crash during import torch on CPUs that do not support SSE4.1 (https://github.com/pytorch/pytorch/issues/116623)
• Fix DCP RuntimeError in get_state_dict and set_state_dict (https://github.com/pytorch/pytorch/pull/119573)
• Fixes for HSDP + TP integration with device_mesh (https://github.com/pytorch/pytorch/pull/112435) (https://github.com/pytorch/pytorch/pull/118620) (https://github.com/pytorch/pytorch/pull/119064) (https://github.com/pytorch/pytorch/pull/118638) (https://github.com/pytorch/pytorch/pull/119481)
• Fix numerical error with mixedmm on NVIDIA V100 (https://github.com/pytorch/pytorch/pull/118591)
• Fix RuntimeError when using SymInt input invariant when splitting graphs (https://github.com/pytorch/pytorch/pull/117406)
• Fix compile DTensor.from_local in trace_rule_look up (https://github.com/pytorch/pytorch/pull/119659)
• Improve torch.compile integration with CUDA-11.8 binaries (https://github.com/pytorch/pytorch/pull/119750)

Release tracker https://github.com/pytorch/pytorch/issues/119295 contains all relevant pull requests related to this release as well as links to related issues.