Issues

PI0 / PI05 / SmolVLA put remaining cameras in the wrong slots when one camera is missing

huggingface/lerobot#5118 · opened

on Oct 27, 2026

3

FastWAM: docs checkpoint ZibinDong/fastwam_libero_uncond_2cam224 (rev a784645f) normalizes images twice -> fails on LIBERO

huggingface/lerobot#5116 · opened

on Oct 27, 2026

2

pi0: padded end-of-episode actions are included in the training loss

huggingface/lerobot#5105 · opened

on Oct 26, 2026

[Discussion] Retrofitting legacy industrial arms with VLA — what's the practical path?

huggingface/lerobot#5102 · opened

on Oct 26, 2026

2

[Discussion] Has the bf16 update-erasure paper been evaluated or reproduced in LeRobot?

huggingface/lerobot#5099 · opened

on Oct 26, 2026

SmolVLA fine-tuning on ~100 episodes: policy output collapses toward near-constant actions (gripper span 1.4° vs 32° in demo data)

huggingface/lerobot#5082 · opened

on Oct 24, 2026

6

Add QF3 filtered-gradient updates for a state-only flow actor

huggingface/lerobot#5080 · opened

on Oct 24, 2026

concatenate_video_files fails for input paths containing apostrophes (tested fix included)

huggingface/lerobot#5075 · opened

on Oct 23, 2026

Koch leader calibration fails with "Negative values are not allowed": homing offset has the wrong sign on motors in reverse drive mode

huggingface/lerobot#5060 · opened

on Oct 22, 2026

4

[Dataset] lerobot/berkeley_autolab_ur5 v3.0: last episode of 28 video files is missing, so episode metadata points past the end of the video

huggingface/lerobot#5039 · opened

on Oct 21, 2026

1

fix(datasets): bound pending AsyncImageWriter frames

huggingface/lerobot#5029 · opened

on Oct 21, 2026

Kinematics steps read joints in observation dict order instead of motor_names order

huggingface/lerobot#5011 · opened

on Oct 19, 2026

Support a Raspberry Pi SO-101 controller without PyTorch imports

huggingface/lerobot#5002 · opened

on Oct 17, 2026

1

modify_tasks returns incorrect task labels after editing a loaded dataset

huggingface/lerobot#4998 · opened

on Oct 17, 2026

[Model integration] Add Long-WAM support to LeRobot

huggingface/lerobot#4983 · opened

on Oct 15, 2026

3

split_dataset accepts duplicate episode indices within one split and writes invalid episode IDs

huggingface/lerobot#4982 · opened

on Oct 15, 2026

[Dataset v3] Invalid episode offsets and bounds silently return wrong frames and cross-episode actions

huggingface/lerobot#4976 · opened

on Oct 15, 2026

2

FP16 constant state/action normalization produces NaN with default epsilon

huggingface/lerobot#4973 · opened

on Oct 14, 2026

Motors: check register names statically

huggingface/lerobot#4962 · opened

on Oct 14, 2026

4

Motors: pipeline the sync read of a control loop

huggingface/lerobot#4961 · opened

on Oct 14, 2026

Motors: read Dynamixel motors with Fast Sync Read

huggingface/lerobot#4960 · opened

on Oct 14, 2026

push_to_hub defaults every dataset to apache-2.0, including conversions of CC BY datasets

huggingface/lerobot#4944 · opened

on Oct 12, 2026

3

lerobot-eval fails for pusht with the default async envs: workers can't find gym_pusht, and attribute probes shut them down

huggingface/lerobot#4931 · opened

on Oct 12, 2026

validate_frame rejects features whose shape is declared as a list

huggingface/lerobot#4928 · opened

on Oct 12, 2026

Video dataset indexing hangs indefinitely when torchcodec native lib fails to load (no system ffmpeg) - the OSError is printed but never raised

huggingface/lerobot#4922 · opened

on Oct 11, 2026

1

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Issues

PI0 / PI05 / SmolVLA put remaining cameras in the wrong slots when one camera is missing

FastWAM: docs checkpoint ZibinDong/fastwam_libero_uncond_2cam224 (rev a784645f) normalizes images twice -> fails on LIBERO

pi0: padded end-of-episode actions are included in the training loss

[Discussion] Retrofitting legacy industrial arms with VLA — what's the practical path?

[Discussion] Has the bf16 update-erasure paper been evaluated or reproduced in LeRobot?

SmolVLA fine-tuning on ~100 episodes: policy output collapses toward near-constant actions (gripper span 1.4° vs 32° in demo data)

Add QF3 filtered-gradient updates for a state-only flow actor

concatenate_video_files fails for input paths containing apostrophes (tested fix included)

Koch leader calibration fails with "Negative values are not allowed": homing offset has the wrong sign on motors in reverse drive mode

[Dataset] lerobot/berkeley_autolab_ur5 v3.0: last episode of 28 video files is missing, so episode metadata points past the end of the video

fix(datasets): bound pending AsyncImageWriter frames

Kinematics steps read joints in observation dict order instead of motor_names order

Support a Raspberry Pi SO-101 controller without PyTorch imports

modify_tasks returns incorrect task labels after editing a loaded dataset

[Model integration] Add Long-WAM support to LeRobot

split_dataset accepts duplicate episode indices within one split and writes invalid episode IDs

[Dataset v3] Invalid episode offsets and bounds silently return wrong frames and cross-episode actions

FP16 constant state/action normalization produces NaN with default epsilon

Motors: check register names statically

Motors: pipeline the sync read of a control loop

Motors: read Dynamixel motors with Fast Sync Read

push_to_hub defaults every dataset to apache-2.0, including conversions of CC BY datasets

lerobot-eval fails for pusht with the default async envs: workers can't find gym_pusht, and attribute probes shut them down

validate_frame rejects features whose shape is declared as a list

Video dataset indexing hangs indefinitely when torchcodec native lib fails to load (no system ffmpeg) - the OSError is printed but never raised