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[Feat] FMHA prefill kernels support quantized output

needs-triage

Status: Open.

#3178 In flashinfer-ai/flashinfer;

· carlyou opened on Apr 25, 2026

Silent memory corruption when custom_mask shape doesn't match (qo_len, kv_len) in single_prefill_with_kv_cache

needs-triage

Status: Open.

#3176 In flashinfer-ai/flashinfer;

· frauttauteffasu opened on Apr 25, 2026

DGX Spark (SM121) Current Support Audit

arch: DGX Spark

wipwork in progresswork in progress

Status: Open.

#3170 In flashinfer-ai/flashinfer;

· kahyunnam opened on Apr 24, 2026

[Bug] trtllm_fp4_block_scale_moe autotune corrupts device state on num_tokens=16384 bucket (SM100/SM103, NVFP4 MoE, vLLM-padded hidden 2688→2816)

op: moe

Status: Open.

#3168 In flashinfer-ai/flashinfer;

· stecasta opened on Apr 24, 2026

[Bug][Infra] Intermittent HTTP 403 errors downloading cubin files from Artifactory

needs-triage

Status: Open.

#3164 In flashinfer-ai/flashinfer;

· cindyzxq opened on Apr 24, 2026

Support kimi k2.5 config for cutaDSL MLA decode

model: kimi-k2.5

needs-triage

op: attention

priority: must have (P0)

Status: Open.

#3161 In flashinfer-ai/flashinfer;

· dskhudia opened on Apr 23, 2026

perf: MIS-aware tile scheduling to skip fully-masked (Q tile, KV chunk) pairs

needs-triage

Status: Open.

#3160 In flashinfer-ai/flashinfer;

· chanh opened on Apr 23, 2026

[Bug]build-flashinfer-jit-cache failed with cuda::fast_mod_div errors

v0.6.10release blocker label for 0.6.10release blocker label for 0.6.10

wipwork in progresswork in progress

Status: Open.

#3159 In flashinfer-ai/flashinfer;

· cindyzxq opened on Apr 23, 2026

qwen3-vl-4B-FP8量化attention+linear+ kv cache模型设置flashinfer后端比fa3要慢，这个为啥？

needs-triage

Status: Open.

#3144 In flashinfer-ai/flashinfer;

· cuihangbin opened on Apr 22, 2026

Add backend validation guard for MIS v2 (item_offsets) in BatchPrefill plan()

needs-triage

Status: Open.

#3138 In flashinfer-ai/flashinfer;

· coderabbitai opened on Apr 21, 2026

Add backend validation guard for MIS v2 (item_offsets) in BatchPrefill plan()

needs-triage

Status: Open.

#3137 In flashinfer-ai/flashinfer;

· coderabbitai opened on Apr 21, 2026

Unsupported tile (64, 64, 64) and cluster (1, 2, 1) shape combination for arch 100

op: moe

Status: Open.

#3134 In flashinfer-ai/flashinfer;

· mcr-ksh opened on Apr 21, 2026