This release is meant to fix the following issues (regressions / silent correctness):

• Properly raise an error when trying to use inductor backend on non-supported platforms such as Windows (https://github.com/pytorch/pytorch/pull/115969)
• Fix mkldnn performance issue on Windows platform (https://github.com/pytorch/pytorch/pull/121618)
• Fix RuntimeError: cannot create std::vector larger than max_size() in torch.nn.functional.conv1d on non-contiguous cpu inputs by patching OneDNN (https://github.com/pytorch/builder/pull/1742) (https://github.com/pytorch/builder/pull/1744)
• Add support for torch.distributed.fsdp.StateDictType.FULL_STATE_DICT for when using torch.distributed.fsdp.FullyShardedDataParallel with the device_mesh argument (https://github.com/pytorch/pytorch/pull/120837)
• Fix make triton command on release branch for users building the release branch from source (https://github.com/pytorch/pytorch/pull/121169)
• Ensure gcc>=9.0 for build from source and cpp_extensions (https://github.com/pytorch/pytorch/pull/120126)
• Fix cxx11-abi build in release branch (https://github.com/pytorch/builder/pull/1709)
• Fix building from source on Windows source MSVC 14.38 - VS 2022 (https://github.com/pytorch/pytorch/pull/122120)

Release tracker https://github.com/pytorch/pytorch/issues/120999 contains all relevant pull requests related to this release as well as links to related issues.