What's Changed

• Remove access to warnings_issued by @qgallouedec in #4960
• Fix SFTTrainer init logic: remove TrainingArguments.push_to_hub_token only for transformers < v5 by @albertvillanova in #4942
• Fix extra EOS appended in DPO preprocessing for conversational data by @qgallouedec in https://github.com/huggingface/trl/pull/4908

Full Changelog: https://github.com/huggingface/trl/compare/v0.27.1...v0.27.2