GRPO — Web Pulse coverage

vLLM V0 to V1: Correctness Before Corrections in RL :: https://wpnews.pro/news/vllm-v0-to-v1-correctness-before-corrections-in-rl
Granite 4.1 LLMs: How They’re Built :: https://wpnews.pro/news/granite-4-1-llms-how-theyre-built