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[Bug] The deepseek-v4 pro model outputs meaningless numbers

Status: Open.

#23752 In sgl-project/sglang;

· yudian0504 opened on Apr 26, 2026

[Bug] Heterogeneous TP PD disaggregation produces incorrect results when decode TP > num_kv_heads

Status: Open.

#23746 In sgl-project/sglang;

· lixuwei2333 opened on Apr 26, 2026

[Tracking] DeepSeek V4 Flash GB200 serving fixes and FlashMLA metadata follow-up

Status: Open.

#23743 In sgl-project/sglang;

· foraxe opened on Apr 26, 2026

[Bug] Qwen3.5-35B-A3B-GPTQ-Int4 on RTX 5090 fails on first generation request with Triton CompilationError on latest main

Status: Open.

#23739 In sgl-project/sglang;

· Tuner12 opened on Apr 26, 2026

[Roadmap] Adaptive Speculative Decoding Roadmap

Status: Open.

#23705 In sgl-project/sglang;

· alphabetc1 opened on Apr 25, 2026

[Bug] [Hisparse] Hisparse CPU Memory Allocation Checker

Status: Open.

#23704 In sgl-project/sglang;

· xz-keg opened on Apr 25, 2026

[Bug] Qwen3.6-27B-FP8 (dense): FP8 weight_scale_inv silently dropped → garbage output (gate_gate_up_proj loop bug in qwen3_5.py)

Status: Open.

#23687 In sgl-project/sglang;

· gucasbrg opened on Apr 25, 2026

[sgl-kernel] per_token_group_quant_8bit_v2 masked path wastes ~90% of grid.y wave when per-expert token count is small

Status: Open.

#23683 In sgl-project/sglang;

· leonardHONG opened on Apr 25, 2026

[Bug] runner freezing for kimi-k2.6 model for some inputs

Status: Open.

#23676 In sgl-project/sglang;

· xhejtman opened on Apr 24, 2026

[Bug] PauseGeneration in PD-disaggregated mode: retract has no path back to prefill, and disagg event loops don't honor _engine_paused``

Status: Open.

#23668 In sgl-project/sglang;

· ByronHsu opened on Apr 24, 2026

[Tracker] DSV4 Performance Optimization Checklist

deepseek

nvidia

performance

Status: Open.

#23666 In sgl-project/sglang;

· nvpohanh opened on Apr 24, 2026

/v1/responses: previous_response_id injects system instructions instead of assistant output in conversation history

Status: Open.

#23662 In sgl-project/sglang;

· glaziermag opened on Apr 24, 2026