vLLM v0.21.0 Released, Deprecates Transformers v4 Support

Core summary

One sentence to understand this update

vLLM v0.21.0 has been released with 367 commits and contributions from 202 individuals, formally deprecating support for Transformers v4 in favor of Transformers v5.

Impact & opportunity

What this could mean

Builders using vLLM should update their dependencies to Transformers v5 to ensure compatibility and leverage the latest features and improvements in their LLM inference setups.