PyTorch 2.13 Released
PyTorch · x · 2026-07-18
PyTorch 2.13 has been released, bringing updates spanning attention, compilation, distributed training, memory efficiency, Python compatibility, and accelerator platform support.
This release comprises 3,328 commits from 526 contributors. A live Q&A session is scheduled for July 22, where maintainers and contributors will discuss the release and answer community questions.
Key changes include:
- FlexAttention
- Inductor's CuTeDSL Native DSL backend
- nn.LinearCrossEntropyLoss
- torchcomms
- FSDP2 communication overlap improvements
- Linux Python 3.15 wheel, including free-threaded 3.15t builds
- Expanded support for ROCm, Arm, and Intel XPU
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