# xformers v0.0.29.post3 + torch 2.6.0 — Software interface version compatibility

For xformers v0.0.29.post3 + torch 2.6.0, product is xformers; software version is v0.0.29.post3; dependency version is torch 2.6.0; companion package versions is FA2 2.7.1-2.7.2, CUDA 12.4.1/12.6.3, recorded from its source on 2026-08-04.

- **Product:** xformers
- **Version pairing:** xformers v0.0.29.post3 + torch 2.6.0 _(unconfirmed — we could not tie this to the quote below)_
- **Software version:** v0.0.29.post3
- **Dependency version:** torch 2.6.0
- **Companion package versions:** FA2 2.7.1-2.7.2, CUDA 12.4.1/12.6.3 _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> xformers v0.0.29.post3 → torch 2.6.0 → FA2 2.7.1–2.7.2 → CUDA 12.4.1, 12.6.3

## Source

- https://medium.com/@vici0549/the-definitive-guide-to-pytorch-cuda-and-flash-attention-compatibility-ebec1161ec10

Last verified: 2026-08-04. Review by: 2026-10-03.
Part of [Software interface version compatibility](https://referencesource.org/software-interface-version-compatibility/).