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simple_launcher discards the child's error, unlike the elastic launch path

Status: Open.

#4277 In huggingface/accelerate;

· albertvillanova opened on Sep 18, 2026

all_gather_into_tensor is deprecated, _gpu_gather warns on every gather

Status: Open.

#4269 In huggingface/accelerate;

· qgallouedec opened on Sep 16, 2026

PrefixedDataset violates the Mapping contract

Status: Open.

#4257 In huggingface/accelerate;

· betacatsling opened on Sep 14, 2026

compile_regions runs the uncompiled model when the root module has an accelerate hook

Status: Open.

#4253 In huggingface/accelerate;

· yupengtang opened on Sep 13, 2026

prepare_model unconditionally imports DTensor, breaking single-GPU training on torch builds without a distributed backend

Status: Open.

#4249 In huggingface/accelerate;

· LeoBorcherding opened on Sep 11, 2026

[Bug] Fused AdamW AMP overflow leaves step_was_skipped false and advances the scheduler

Status: Open.

#4242 In huggingface/accelerate;

· gss10282023 opened on Sep 10, 2026

ACCELERATE_BYPASS_DEVICE_MAP is the only boolean env flag read case-sensitively, so =True is silently ignored

Status: Open.

#4240 In huggingface/accelerate;

· Sreekant13 opened on Sep 10, 2026

use_stateful_dataloader + num_workers>0 draws epoch-0 permutation during prepare() before cross-rank RNG sync — corrupts DDP data partition

Status: Open.

#4204 In huggingface/accelerate;

· GoldenStain opened on Sep 2, 2026

Skip automatic DataLoader sharding when the loader is already rank-sharded

Status: Open.

#4199 In huggingface/accelerate;

· YeonwooSung opened on Sep 2, 2026

use_stateful_dataloader under multi-process training restores the cursor, not the shuffle order — sampler permutation is never serialized

Status: Open.

#4195 In huggingface/accelerate;

· GoldenStain opened on Aug 30, 2026

Feature request: FSDP2 QLoRA

feature requestRequest for a new feature to be added to AccelerateRequest for a new feature to be added to Accelerate

Status: Open.

#3874 In huggingface/accelerate;

· ojh31 opened on Dec 5, 2025

Feature Request: Add API to Materialize Meta Tensors for Device Movement

feature requestRequest for a new feature to be added to AccelerateRequest for a new feature to be added to Accelerate

Status: Open.

#3866 In huggingface/accelerate;

· EricRollei opened on Nov 30, 2025