vLLM v0.21.0 Released: Deprecates Transformers v4, Requires Migration to v5

Core summary

One sentence to understand this update

vLLM has released version v0.21.0, which formally deprecates support for Transformers v4 and requires users to migrate to Transformers v5.

Impact & opportunity

What this could mean

Developers relying on vLLM need to update their codebases to support Transformers v5 promptly to ensure compatibility and leverage the latest model functionalities.