vLLM 0.27 Removes First-Request Stalls — But Torch 2.13 Is Breaking
vLLM 0.27.0 (Aug 10) ships JIT warmup and runner-owned Triton warmup that eliminate first-request compile stalls, plus Kimi K3 support — but the torch 2.13.0 upgrade is a breaking change that needs migration testing before you bump.