v2.12.1
PyTorch 2.12.1 Release, bug fix release
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), fixed by updating Triton to 3.7.1 (#186814)
- Fix illegal memory access in the Triton convolution2d_bwd_weight kernel on B100/B200 (sm100) GPUs (#187081), fixed by updating Triton to 3.7.1 (#186814)
- Fix fill_ on byte-dtype views with misaligned storage offset (#186821)
Releng / Build
- Drop CPython 3.13t from the binary build matrix (#182951)