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LeRobot v0.5.0: Scaling Every Dimension

AnnouncementProductMar 9, 2026

Hugging Face released LeRobot v0.5.0, its largest update with over 200 merged PRs, adding Unitree G1 humanoid support as its first full-body robot integration. The release introduces six new policies including Pi0-FAST autoregressive VLAs, Wall-X, X-VLA, and SARM, plus Real-Time Chunking for responsive inference. NVIDIA IsaacLab-Arena integration and EnvHub enable loading simulation environments from the Hub. Streaming video encoding delivers 10x faster image training, while the codebase modernizes to Python 3.12 and Transformers v5.

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No score is assigned. Sources and their independence are shown in the citation chain below.

Citation chain · 1 source

01highPRIMARY
NVIDIACompanyPi0-FASTModelWall-XModelX-VLAModelSARMModelSteven PalmaPersonPepijn KooijmansPersonJade ChoghariPersonCaroline PascalPersonKhalil MeftahPersonNicolas RabaultPersonMichel AractingiPersonVirgile BATTOPersonThomas WolfPersonLeRobot v0.5.0ModelIsaacLab-ArenaModelMartino RussiPersonHugging FaceCompany
Canonical: https://huggingface.co/blog/lerobot-release-v050