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Commits on Apr 24, 2026

• [attention backends] fix ring CP for flash and flash 3 (#13182)

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  sayakpaul

  and

  DN6

  authored
  f7fd76a

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Commits on Apr 18, 2026

• add _native_npu_attention support mask shape like [B,1,1,S] (#13490)

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  chang-zhijie

  and

  yiyixuxu

  authored
  c8c8401

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Commits on Apr 13, 2026

• [core] fix fa4 integration (#13443)

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  sayakpaul

  authored
  62b1071

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Commits on Apr 3, 2026

• Fix Dynamo `lru_cache` warnings during `torch.compile` (#13384)

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  jiqing-feng

  and

  sayakpaul

  authored
  a05c8e9

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Commits on Mar 30, 2026

• Fix Ulysses SP backward with SDPA (#13328)

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  zhtmike

  authored
  e1e7d58

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Commits on Mar 23, 2026

• [export] Add export-safe LRU cache helper (#13290)

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  cbensimon

  and

  sayakpaul

  authored
  b9761ce

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Commits on Mar 20, 2026

• [core] fa4 support. (#13280)

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  sayakpaul

  authored
  0b35834

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Commits on Mar 5, 2026

• [attention backends] change to updated repo and version. (#13161)

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  sayakpaul

  authored
  29b9109

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Commits on Feb 26, 2026

• Fix Flash Attention 3 interface for new FA3 return format (#13173)

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  veeceey

  authored
  47455bd

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Commits on Feb 25, 2026

• [attention backends] use dedicated wrappers from fa3 for cp. (#13165)

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  sayakpaul

  authored
  3105848

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Commits on Feb 24, 2026

• fix: graceful fallback when attention backends fail to import (#13060)

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  3 peopleauthored
  1f6ac1c

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Commits on Feb 19, 2026

• [core] Enable CP for kernels-based attention backends (#12812)

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  sayakpaul

  and

  DN6

  authored
  99daaa8

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Commits on Feb 17, 2026

• [Bug] Fix QwenImageEditPlus Series on NPU (#13017)

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  5 peopleauthored
  bcbbded

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Commits on Feb 13, 2026

• Sunset Python 3.8 & get rid of explicit `typing` exports where possible (#12524)

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  sayakpaul

  and

  DN6

  authored
  2843b3d

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Commits on Feb 2, 2026

• feat: support Ulysses Anything Attention (#12996)

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  DefTruth

  authored
  973e334

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Commits on Jan 16, 2026

• [core] gracefully error out when attn-backend x cp combo isn't supported. (#12832)

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  sayakpaul

  and

  DN6

  authored
  ebf891a

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Commits on Jan 15, 2026

• fix Qwen-Image series context parallel (#12970)

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  DefTruth

  authored
  7f43cb1

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Commits on Jan 13, 2026

• Add Unified Sequence Parallel attention (#12693)

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  4 peopleauthored
  9d68742

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Commits on Jan 12, 2026

• Fix QwenImage txt_seq_lens handling (#12702)

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  4 peopleauthored
  dad5cb5

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Commits on Jan 9, 2026

• [NPU] npu attention enable ulysses (#12919)

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  TmacAaron

  and

  sayakpaul

  authored
  be38f41

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Commits on Jan 6, 2026

• Check for attention mask in backends that don't support it (#12892)

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  3 peopleauthored
  41a6e86

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Commits on Dec 12, 2025

• support CP in native flash attention (#12829)

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  sywangyi

  and

  sayakpaul

  authored
  17c0e79

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Commits on Dec 3, 2025

• [core] start varlen variants for attn backend kernels. (#12765)

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  sayakpaul

  authored
  f48f9c2

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Commits on Dec 1, 2025

• Hunyuanvideo15 (#12696)

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  5 peopleauthored
  6156cf8

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Commits on Nov 24, 2025

• [core] support sage attention + FA2 through `kernels` (#12439)

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  sayakpaul

  authored
  d176f61

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Commits on Nov 19, 2025

• [core] Refactor hub attn kernels (#12475)

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  3 peopleauthored
  ab71f3c

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Commits on Nov 12, 2025

• fix dispatch_attention_fn check (#12636)

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  yiyixuxu

  authored
  093cd3f

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Commits on Nov 10, 2025

• Fix Context Parallel validation checks (#12446)

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  DN6

  and

  sayakpaul

  authored
  8d45f21

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Commits on Nov 3, 2025

• ulysses enabling in native attention path (#12563)

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  sywangyi

  and

  sayakpaul

  authored
  1ec28a2

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Commits on Oct 27, 2025

• Add AITER attention backend (#12549)

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  3 peopleauthored
  250f5cb

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Commits on Oct 2, 2025

• [core] conditionally import torch distributed stuff. (#12420)

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  sayakpaul

  authored
  b429796

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Commits on Sep 24, 2025

• Context Parallel w/ Ring & Ulysses & Unified Attention (#11941)

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  3 peopleauthored
  dcb6dd9

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Commits on Sep 3, 2025

• [core] use `kernels` to support `_flash_3_hub` attention backend (#12236)

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  sayakpaul

  authored
  130fd8d

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Commits on Aug 30, 2025

• Improve performance of NPU FA (#12260)

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  leisuzz

  and

  a-r-r-o-w

  authored
  827fad6

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Commits on Aug 23, 2025

• Fix PyTorch 2.3.1 compatibility: add version guard for torch.library.… (#12206)

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  3 peopleauthored
  9a7ae77

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