PyTorch 2.12.1 Release, bug fix release
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This release is meant to fix the following regressions and silent correctness issues: ## Regression fixes - Fix nondeterministic outputs in test_batch_invariance with FLASH_ATTN on NVIDIA B200 GPUs ([#181248](https://github.com/pytorch/pytorch/issues/181248)), fixed by updating Triton to 3.7.1 ([#186814](https://github.com/pytorch/pytorch/pull/186814)) - Fix illegal memory access in the Triton convolution2d_bwd_weight kernel on B100/B200 (sm100) GPUs ([#187081](https://github.com/pytorch/pytorch/issues/187081)), fixed by updating Triton to 3.7.1 ([#186814](https://github.com/pytorch/pytorch/pull/186814)) - Fix fill_ on byte-dtype views with misaligned storage offset ([#186821](https://github.com/pytorch/pytorch/pull/186821)) ## Releng / Build - Drop CPython 3.13t from the binary build matrix ([#182951](https://github.com/pytorch/pytorch/pull/182951))
Read the original at the source: https://github.com/pytorch/pytorch/releases/tag/v2.12.1
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- September 15, 2026 19:08
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