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Async inference crashes with diffusion policy: stack expects a non-empty TensorList

bugSomething isn’t working correctlySomething isn’t working correctly

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

evaluationFor issues or PRs related to environment evaluation, and benchmarks.For issues or PRs related to environment evaluation, and benchmarks.

performanceIssues aimed at improving speed or resource usageIssues aimed at improving speed or resource usage

policiesItems related to robot policiesItems related to robot policies

sensorsEverything related to sensorsEverything related to sensors

teleoperatorsEverything related to teleoperatorsEverything related to teleoperators

testsProblems with test coverage, failures, or improvements to testingProblems with test coverage, failures, or improvements to testing

Status: Open.

#3445 In huggingface/lerobot;

· anikita opened on Apr 23, 2026

Missing so100_follower_end_effector in latest release

bugSomething isn’t working correctlySomething isn’t working correctly

Status: Open.

#3441 In huggingface/lerobot;

· WhyPeterZhao opened on Apr 23, 2026

Reward classifier tutorial path fails in v0.5.1 (make_policy passes unsupported dataset_stats; import crash with backbone_cfg/problem_type)

bugSomething isn’t working correctlySomething isn’t working correctly

configurationProblems with configuration files or settingsProblems with configuration files or settings

documentationImprovements or fixes to the project’s docsImprovements or fixes to the project’s docs

examplesIssues related to the examplesIssues related to the examples

Status: Open.

#3440 In huggingface/lerobot;

· ernestknurov opened on Apr 23, 2026

pi05 cannot perform inference.

bugSomething isn’t working correctlySomething isn’t working correctly

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

policiesItems related to robot policiesItems related to robot policies

Status: Open.

#3439 In huggingface/lerobot;

· onaka-ga-pkpk opened on Apr 23, 2026

lerobot-train with --dataset.streaming=true crashes for SARM due to EpisodeAwareSampler on IterableDataset

bugSomething isn’t working correctlySomething isn’t working correctly

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

examplesIssues related to the examplesIssues related to the examples

policiesItems related to robot policiesItems related to robot policies

trainingIssues related at training timeIssues related at training time

Status: Open.

#3436 In huggingface/lerobot;

· bkolligs opened on Apr 23, 2026

How to filter static frames without action in a episode?

enhancementSuggestions for new features or improvementsSuggestions for new features or improvements

questionRequests for clarification or additional informationRequests for clarification or additional information

Status: Open.

#3429 In huggingface/lerobot;

· yangmingbj opened on Apr 22, 2026

--rename_map silently ignored for PI05 when use_relative_actions=true

bugSomething isn’t working correctlySomething isn’t working correctly

configurationProblems with configuration files or settingsProblems with configuration files or settings

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

policiesItems related to robot policiesItems related to robot policies

trainingIssues related at training timeIssues related at training time

Status: Open.

#3425 In huggingface/lerobot;

· ihlej opened on Apr 21, 2026

For image undistortion

enhancementSuggestions for new features or improvementsSuggestions for new features or improvements

sensorsEverything related to sensorsEverything related to sensors

trainingIssues related at training timeIssues related at training time

Status: Open.

#3422 In huggingface/lerobot;

· wzhaofeng opened on Apr 21, 2026

lerobot_dataset_viz breaks for single dimensional observation state

bugSomething isn’t working correctlySomething isn’t working correctly

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

testsProblems with test coverage, failures, or improvements to testingProblems with test coverage, failures, or improvements to testing

visualizationIssues about visual output, graphs, or data visualizationIssues about visual output, graphs, or data visualization

Status: Open.

#3415 In huggingface/lerobot;

· StephanHasler opened on Apr 20, 2026

WHY SARM in lerobot not use subtask in Lerobot dataset but custom subtask annotation?

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

questionRequests for clarification or additional informationRequests for clarification or additional information

trainingIssues related at training timeIssues related at training time

Status: Open.

#3407 In huggingface/lerobot;

· congleetea opened on Apr 19, 2026

Loss and 0% Success Rate on Libero-10 with lerobot/xvla-libero Checkpoint

configurationProblems with configuration files or settingsProblems with configuration files or settings

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

evaluationFor issues or PRs related to environment evaluation, and benchmarks.For issues or PRs related to environment evaluation, and benchmarks.

examplesIssues related to the examplesIssues related to the examples

policiesItems related to robot policiesItems related to robot policies

questionRequests for clarification or additional informationRequests for clarification or additional information

trainingIssues related at training timeIssues related at training time

Status: Open.

#3401 In huggingface/lerobot;

· Hoar012 opened on Apr 17, 2026

P=16 not driving shoulder_pan to target position reliably

bugSomething isn’t working correctlySomething isn’t working correctly

evaluationFor issues or PRs related to environment evaluation, and benchmarks.For issues or PRs related to environment evaluation, and benchmarks.

policiesItems related to robot policiesItems related to robot policies

trainingIssues related at training timeIssues related at training time

Status: Open.

#3400 In huggingface/lerobot;

· 0o8o0-blip opened on Apr 17, 2026