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Luca Wehrstedt e2743ab5b3 [FA3] Mark current main version as v3.0.0 stable (#2223)
A collaboration between Flash-Attention, PyTorch and xFormers is trying to provide pre-built wheels for FA3 across as many platforms/environments as possible (e.g., ARM, Windows, CUDA 13, ...). To simplify the installation workflow, it would help to tag these packages as stable, but the current main version is tagged as beta.

FA3 hasn't received substantial updates in a while (the latest was a bugfix almost two months ago), and most new development is happening in FA4. Thus, in this PR, I propose we just claim that the current main version _is_ stable.

I have heard concerns that the feature set of FA3 doesn't currently match FA2 (e.g., dropout is missing). I think this concern is partly addressed by the fact that the new wheels will have a different name than the FA2 ones (`flash_attn_3` and `flash_attn` respectively), hence the former does _not_ claim to be a replacement for the latter, and the two can coexist (and they provide different modules).
2026-02-04 19:45:41 -08:00

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