fa4-v4.0.0.beta13

What's Changed

• [ROCm Windows] fix build failed by @Apophis3158 in #2519
• [CuTe,Bwd,Sm100] don't disable 2cta due to cuda 12 in bwd by @reubenconducts in #2543
• [CuTe,Bwd] guard softcap for varlen backward by @reubenconducts in #2544
• [CuTe,Flex] varlen blocksparsity by @reubenconducts in #2224
• [FA4][hd256] Fix layout of non-contiguous qkv in backward kernel by @wangsiyu in #2545
• [Cute,Bwd,Sm100] fix incorrect calculation of n_block global max for bwd deterministic by @jayhshah in #2549
• fix varlen w/ paging split kv bug by @liangel-02 in #2550

New Contributors

• @Apophis3158 made their first contribution in #2519

Full Changelog: fa4-v4.0.0.beta12...fa4-v4.0.0.beta13