Issues

• [Model integration] Add Long-WAM support to LeRobot

  configurationdocumentationenhancementevaluationexamplespoliciesprocessorteststraining
  huggingface/lerobot#4983 · Filter by author Aaronhuang-778 opened on Oct 15, 2026

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

  bugdatasetdependenciespoliciesteststraining
  huggingface/lerobot#4982 · Filter by author i-luoying opened on Oct 15, 2026

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

  bugdatasetdependenciesexamplesperformancepoliciesteststraining
  huggingface/lerobot#4976 · Filter by author adi0x90 opened on Oct 15, 2026
  1

• FP16 constant state/action normalization produces NaN with default epsilon

  bugdependenciespoliciesprocessorteststraining
  huggingface/lerobot#4973 · Filter by author David1726 opened on Oct 14, 2026

• Motors: check register names statically

  bugdocumentation
  huggingface/lerobot#4962 · Filter by author nicolas-rabault opened on Oct 14, 2026
  1

• Motors: pipeline the sync read of a control loop

  performancepoliciesprocessor
  huggingface/lerobot#4961 · Filter by author nicolas-rabault opened on Oct 14, 2026

• Motors: read Dynamixel motors with Fast Sync Read

  documentationperformancepolicies
  huggingface/lerobot#4960 · Filter by author nicolas-rabault opened on Oct 14, 2026

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

  datasetenhancementexamplessimulation
  huggingface/lerobot#4944 · Filter by author s1g6r 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

  bugconfigurationevaluationpoliciestests
  huggingface/lerobot#4931 · Filter by author LinCanNerd opened on Oct 12, 2026

• validate_frame rejects features whose shape is declared as a list

  bugdatasetdependenciestests
  huggingface/lerobot#4928 · Filter by author vicfei 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

  bugdatasetdependencies
  huggingface/lerobot#4922 · Filter by author vicfei opened on Oct 11, 2026
  1

• ACT: validate_features rejects the state-only input that forward() actually consumes; adding an unused environment_state is the only workaround

  configurationdatasetpoliciessensorsteststraining
  huggingface/lerobot#4921 · Filter by author vicfei opened on Oct 11, 2026

• lerobot/fineart_vla_base: can not find this repo!

  bug
  huggingface/lerobot#4919 · Filter by author xianglunkai opened on Oct 11, 2026
  2

• TDMPC can't be served by the async PolicyServer: predict_action_chunk reads empty queues, and its chunk is time-major

  bugCIdependenciespolicies
  huggingface/lerobot#4870 · Filter by author easyrider11 opened on Oct 7, 2026

• Feature request: SO-ARM 102 native support and Robots documentation

  configurationdocumentationenhancementpoliciesrobotsteleoperators
  huggingface/lerobot#4868 · Filter by author brnikita opened on Oct 7, 2026

• [HIL-SERL] Proposal: add SpaceMouse support for human interventions

  documentationenhancementpoliciesprocessorrobotssimulationteleoperatorstests
  huggingface/lerobot#4859 · Filter by author Jas000n opened on Oct 6, 2026
  

• reBot B601-DM: issues hit in teleop/recording and fixes (want PRs?)

  bugconfigurationdatasetperformancepoliciesrobotssensorsteleoperators
  huggingface/lerobot#4858 · Filter by author ErykHalicki opened on Oct 6, 2026
  2

  

• LIBERO doesn't work on native Windows: 4 small blockers, with a tested fix (happy to send a PR)

  dependenciesenhancementevaluationperformancesensorssimulationtestsvisualization
  huggingface/lerobot#4857 · Filter by author ahmedsleem109 opened on Oct 6, 2026

• check_version_compatibility warns "update lerobot" when the dataset is older, and stays silent when it is newer

  bugdatasettests
  huggingface/lerobot#4851 · Filter by author jih0-kim opened on Oct 5, 2026
  1

• YAML config with policy.path crashes on dict-valued policy fields (normalization_mapping, input_features): "unrecognized arguments"

  bugconfigurationevaluationpoliciestests
  huggingface/lerobot#4840 · Filter by author JoeyTan21 opened on Oct 3, 2026
  

• Make names checkable: three structural lints and a warning that leaves a trace

  bugCIdatasetenhancementexamplesquestion
  huggingface/lerobot#4784 · Filter by author laa1991 opened on Sep 27, 2026
  6

• Reading LeRobotDataset for pre-training dataset analysis — two conventions that make it hard, and a request

  datasetpoliciesquestiontraining
  huggingface/lerobot#4749 · Filter by author aslansd opened on Sep 24, 2026
  8

• [Bug] gaussian_actor: use_tanh_squash is documented and stored but never read (tanh squashing cannot be disabled)

  bugconfigurationdocumentationexamplespoliciesprocessorteststraining
  huggingface/lerobot#4727 · Filter by author OctopusWen opened on Sep 23, 2026
  

• Silent degradation in groot and wall_x from_pretrained (siblings of #4577)

  bugpoliciestests
  huggingface/lerobot#4711 · Filter by author DanMo661 opened on Sep 22, 2026
  2

• TRAIN-06: standardize encoder freezing

  enhancementevaluationpoliciesquestionsensorsteststraining
  huggingface/lerobot#4687 · Filter by author LorenzoCiarpa opened on Sep 19, 2026