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[Bug] NixlPushConnector heartbeat fails to renew KV leases

bugSomething isn't workingSomething isn't working

Status: Open.

#53095 In vllm-project/vllm;

· usberkeley opened on Aug 20, 2026

[Bug]: CLIP pooling model silently returns identical (empty-prompt) embeddings for all completion-style input text requests under sustained multimodal load

multi-modalityRelated to multi-modality (#4194)Related to multi-modality (#4194)

Status: Open.

#53091 In vllm-project/vllm;

· aroina opened on Aug 20, 2026

[Bug]: Assertion failure due to inconsistent block counts between P and D sides when tools dict key ordering differs in template serialization with tool calls enabled

bugSomething isn't workingSomething isn't working

Status: Open.

#53089 In vllm-project/vllm;

· zhangxyai opened on Aug 20, 2026

int4 per-token-head KV cache: triton_reshape_and_cache_flash_per_token_head_quant returns wrong values

quantization

Status: Open.

#53086 In vllm-project/vllm;

· khluu opened on Aug 20, 2026

[Bug]: MooncakeStoreConnector stores invalid recurrent states with mamba_cache_mode=align, causing silent output corruption

bugSomething isn't workingSomething isn't working

Status: Open.

#53084 In vllm-project/vllm;

· myliu569 opened on Aug 20, 2026

[Bug]: PD P2P supply and demand are computed independently, and nothing checks they match

Status: Open.

#53083 In vllm-project/vllm;

· liranschour opened on Aug 20, 2026

[Bug]: --headless does not load custom reasoning parser plugins

Status: Open.

#53072 In vllm-project/vllm;

· QwertyJack opened on Aug 20, 2026

[Bug] v1 detokenizer: client stop strings match inside the reasoning segment, decapitating think-in-prompt models (lm-eval sends stop on every request)

rocmRelated to AMD ROCmRelated to AMD ROCm

Status: Open.

#53066 In vllm-project/vllm;

· Capicua25x opened on Aug 20, 2026

DFlash draft model does not inherit the target's RoPE layout (is_neox_style)

bugSomething isn't workingSomething isn't working

speculative-decoding

Status: Open.

#53063 In vllm-project/vllm;

· jschmied opened on Aug 20, 2026

[Bugfix][KVOffload] Request-level cascade silently drops HIT_PENDING keys

Status: Open.

#53062 In vllm-project/vllm;

· Etelis opened on Aug 20, 2026

[Bug]: Prefill misdispatched into spec-decode FULL cudagraph when prompt length == 1 + num_speculative_tokens → silent GDN state loss, garbage output (hybrid/Qwen3-Next models)

rocmRelated to AMD ROCmRelated to AMD ROCm

Status: Open.

#53051 In vllm-project/vllm;

· allenzz-dev opened on Aug 20, 2026

[Bug]: MultiConnector: finished_recving lacks per-connector dedup — late/stale load reports crash scheduler assert in P/D + dual-connector setups

bugSomething isn't workingSomething isn't working

scheduler

Status: Open.

#53049 In vllm-project/vllm;

· me040526 opened on Aug 20, 2026