PyTorch 2.5.0 Release, SDPA CuDNN backend, Flex Attention

PyTorch Version 2 imported change current

Imported from official source

# PyTorch 2.5 Release Notes - Highlights - Backwards Incompatible Change - Deprecations - New Features - Improvements - Bug fixes - Performance - Documentation - Developers - Security ## Highlights We are excited to announce the release of PyTorch® 2.5! This release features a new CuDNN backend for SDPA, enabling speedups by default for users of SDPA on H100s or newer GPUs. …

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Version
2 of 2
Recorded
September 17, 2026 21:30
Change
Imported change
Content hash
d89b331feb6f1f2e15d676825d990316
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