Here are some cutting-edge preview RWKV models: https://huggingface.co/BlinkDL/temp-latest-training-models/tree/main
including RWKV-7 checkpts (already supported by https://pypi.org/project/rwkv/ and https://github.com/Ai00-X/ai00_server)
Ref: https://huggingface.co/BlinkDL/rwkv-7-world
"single_round_qa" are "states" (check https://x.com/BlinkDL_AI/status/1788354345807057035) and these are single round Q&A states