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flashinfer-cubin 0.6.11 ships only Sm100a/Sm100f/Sm103a — no sm_120/121 cubins for consumer Blackwell

arch: DGX Spark

needs-triage

Status: Open.

#3294 In flashinfer-ai/flashinfer;

· idonati opened on May 11, 2026

Support native H64 split-kv with 64 wide MMA-M

op: attention

Status: Open.

#3287 In flashinfer-ai/flashinfer;

· saltyminty opened on May 11, 2026

[Bug][vLLM]: vLLM worker hang on Qwen3.5-397B-A17B-NVFP4 EP=8 (B200) - bisected to flashinfer-python 0.6.7 → 0.6.8.post1

op: moe

Status: Open.

#3279 In flashinfer-ai/flashinfer;

· vadiklyutiy opened on May 10, 2026

[Bug][CI]AOT build may use stale CUTLASS after #3152, causing SM120 grouped blockscaled GEMM compile failure

v0.6.12

Status: Open.

#3272 In flashinfer-ai/flashinfer;

· cindyzxq opened on May 8, 2026

Feature request: ship runnable solution modules for FlashInfer APIs as human-best baselines per kernel definition

op: moe

Status: Open.

#3270 In flashinfer-ai/flashinfer;

· yyihuang opened on May 8, 2026

Feature request: add check() method to fi_trace TraceTemplate for built-in correctness validation

needs-triage

Status: Open.

#3266 In flashinfer-ai/flashinfer;

· yyihuang opened on May 8, 2026

TllmGenFmhaRunner rejects SM120 in TRTLLM DeepSeek ragged prefill path

needs-triage

Status: Open.

#3263 In flashinfer-ai/flashinfer;

· jasonqinzhou opened on May 7, 2026

import flashinfer.gdn_decode requires CUDA devices available

model: qwen3.5

Status: Open.

#3262 In flashinfer-ai/flashinfer;

· feldsherov opened on May 7, 2026

[Bug]GitHub Release upload fails for flashinfer-jit-cache cu130 x86_64 wheel due to 2 GiB asset limit

v0.6.12

Status: Open.

#3257 In flashinfer-ai/flashinfer;

· cindyzxq opened on May 7, 2026

bmm_fp8: CUBLAS_STATUS_NOT_SUPPORTED on sm_120 (RTX 5090) — autotuner selects cublas on small shapes, fails on real model tensor shapes

needs-triage

Status: Open.

#3255 In flashinfer-ai/flashinfer;

· YASoftwareDev opened on May 7, 2026

[fmhav2] request for preparation phase kernel

feature requestNew feature or requestNew feature or request

needs-triage

Status: Open.

#3254 In flashinfer-ai/flashinfer;

· jimmyzho opened on May 7, 2026

[Bug]Nightly package tests may import source tree instead of installed package, causing missing flashinfer/data/csrc/*.jinja

Status: Open.

#3243 In flashinfer-ai/flashinfer;

· cindyzxq opened on May 6, 2026