Full fine-tuning max batch size for Qwen 27B models lowered to 4

The maximum batch size for full fine-tuning of Qwen/Qwen3.8-27B, Qwen/Qwen3.6-27B, and Qwen/Qwen3.5-27B is now 4, down from 16 for SFT and 8 for DPO.

See Supported models for each model's limits.