Cannot use R3 in verl 0.7.0 due to vLLM version incompatibility

[DrAlbedo]

Hello,

I'm trying to use the R3 feature in verl 0.7.0 and am running into a version conflict:

• verl 0.7.0 officially supports vLLM 0.12.0, but this vLLM version lacks router replay support.

• I tried upgrading to vLLM 0.16.0 to enable router replay, but verl fails with a vLLM.config error.

What is the correct or recommended version of vLLM to use for R3?

Thank you!