What changed
- โป๏ธ Fix caching in SFT by @qgallouedec in #2945
- ๐ฏ Fix LigerKernel for SFTTrainer by @lewtun in #2940
- ๐ Pin liger-kernel and vLLM by @qgallouedec in #2952
Full Changelog: https://github.com/huggingface/trl/compare/v0.15.1...v0.15.2