GRPO + vLLM hang fixed on non-NVLink; dataset fingerprinting corrected

v1.7.1

1 feature1 enhancement5 fixes

From the original release noteView original ↗

Fix GRPO + vLLM colocate + PEFT hang on non-NVLink hardware by @albertvillanova in https://github.com/huggingface/trl/pull/6139
Fix dataset fingerprinting in DPO/SFT tokenization by @qgallouedec in https://github.com/huggingface/trl/pull/6206
Pass GPU device_ids to barrier fix in GRPO + vLLM colocate + PEFT by @albertvillanova in https://github.com/huggingface/trl/pull/6187
Integrate the new response parsing API by @qgallouedec in https://github.com/huggingface/trl/pull/5791
Fix add_response_schema tests for the new parse_response prefix requirement by @qgallouedec in https://github.com/huggingface/trl/pull/6236
Add prompt-learning guard for PEFT with Liger in GRPO by @albertvillanova in https://github.com/huggingface/trl/pull/6186
Fix activation offload storage dedupe reuse by @winglian in https://github.com/huggingface/trl/pull/6241

Full Changelog: https://github.com/huggingface/trl/compare/v1.7.0...v1.7.1

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Fetched July 4, 2026

GRPO + vLLM hang fixed on non-NVLink; dataset… — releases.sh