v0.31.0 v2.2.21

Name: vllm
Author: vllm-project

low risk

vllm-project/vllmOct 5, 2026 → Oct 6, 20261 day between releases

What's New

No vLLM changes detected in v2.2.21 (notes refer to NocoBase)

The Two Releases

v0.31.0

Oct 5, 2026· 17 days ago

This release introduces significant performance optimizations for DeepSeek-V4.1-Flash and a new fast restart mechanism via the `vllm preload` CLI. It also enhances large-scale serving capabilities with new MoE communication backends and advanced features in Model Runner V2.

Full release notes

v2.2.21

Oct 6, 2026· 16 days ago

This release primarily addresses bug fixes within the client-v2 UI editor and notification systems, alongside dependency upgrades for nodemailer, hono, and moment.

Full release notes