Issues

• Reference issue for merged fix #50604

  bug
  huggingface/transformers#50642 · Filter by author Mengxi-Xu opened on Nov 12, 2026

• Add a PIL backend for Gemma4UnifiedImageProcessor (Gemma 4 12B)

  Feature request
  huggingface/transformers#50639 · Filter by author jjbuck opened on Nov 12, 2026

• [Bug] AutoProcessor.from_pretrained(..., backend="pil") fails when the video processor has no PIL backend

  bug
  huggingface/transformers#50638 · Filter by author jjbuck opened on Nov 12, 2026

• LayoutLMv2/v3: relative position bias tables get no gradient since #30988 (torch.no_grad around the bias lookup)

  huggingface/transformers#50636 · Filter by author 14H034160212 opened on Nov 12, 2026
  2

• [serge] integration failure triage - 2026-11-11

  huggingface/transformers#50629 · Filter by author github-actions opened on Nov 11, 2026
  

• Migrate GPT-J to the attention interface (SDPA / flex attention support)

  Feature request
  huggingface/transformers#50627 · Filter by author xquantize opened on Nov 11, 2026
  2

• [Voxtral/pipelines] Assistant prefill fails because continue_final_message is dropped across processor and pipeline boundaries

  bug
  huggingface/transformers#50623 · Filter by author BlazeSR10hawk opened on Nov 11, 2026

• Mistral Large 4: LeRoPE alpha is silently frozen during full-parameter training

  huggingface/transformers#50622 · Filter by author taking-lying-flat opened on Nov 11, 2026

• SmolVLM: built-in video chat template drops non-empty string message content

  huggingface/transformers#50613 · Filter by author arjhinety opened on Nov 11, 2026
  2

• TimesFM 2.5: training loss feeds the point-forecast channel to the quantile loss

  bug
  huggingface/transformers#50612 · Filter by author m1o0 opened on Nov 11, 2026
  

• finegrained_fp8 models are silently mis-dequantized when loaded on CPU if a quantized weight has partial blocks

  bug
  huggingface/transformers#50603 · Filter by author YancyLii opened on Nov 11, 2026
  2

• Default configs for 11 models can't build or run their own model (CohereCompass, DiffusionGemma, DeepseekOcr2, Granite4Vision, HunYuanVL, Moshi, PPOCRV6MediumDet, Qwen4Exp, Qwen3ASR, Molmo2, Step3p7)

  huggingface/transformers#50601 · Filter by author hameerabbasi opened on Nov 11, 2026
  4

• Inkling: BF16 router rounds distinct scores into ties before Top-K

  Triaged
  huggingface/transformers#50599 · Filter by author taking-lying-flat opened on Nov 11, 2026
  1

• Universal speculative decoding with a pruned assistant LM head can map logits to the wrong target tokens

  huggingface/transformers#50598 · Filter by author Incheonkirin opened on Nov 11, 2026

• FineGrainedFP8 dequantize with dtype=float32 leaves non-quantized weights in bfloat16

  huggingface/transformers#50594 · Filter by author qgallouedec opened on Nov 10, 2026

• center_crop pads the odd leftover pixel on opposite sides in the torchvision vs numpy/PIL backends

  huggingface/transformers#50584 · Filter by author SID-6921 opened on Nov 10, 2026
  4

• v5: full fine-tuning a bf16 checkpoint with Trainer silently runs pure bf16 AdamW, and most updates round away

  huggingface/transformers#50581 · Filter by author Andreas-Hum opened on Nov 10, 2026
  2

• Docs: dead links in model_doc pages (12 URLs return 404)

  huggingface/transformers#50568 · Filter by author Hisernberg opened on Nov 10, 2026
  1

• apply_chat_template crashes with DeepSeek-V3/R1 templates on OpenAI-style tool-call messages since #45422

  bug
  huggingface/transformers#50551 · Filter by author albertvillanova opened on Nov 10, 2026
  1

  

• FSDP checkpoint resumption deadlocks during collective optimizer state sync with PEFT LoRA in Trainer

  bug
  huggingface/transformers#50549 · Filter by author utkarshxdev opened on Nov 10, 2026
  2

• MoE load-balancing loss adds no gradient under reentrant gradient checkpointing

  huggingface/transformers#50545 · Filter by author hivaze opened on Nov 10, 2026
  5

• quantizer_torchao imports torchao.prototype at module load, which initializes CUDA when torchao is installed

  huggingface/transformers#50540 · Filter by author Thangnguyenvn98 opened on Nov 9, 2026
  1

• Wav2Vec2-family feature encoder sets requires_grad on an intermediate every training step, breaking torch.compile(fullgraph=True)

  bug
  huggingface/transformers#50527 · Filter by author kamboj-sajan opened on Nov 9, 2026
  4

• Wav2Vec2CTCTokenizer drops the word delimiter | around <unk> (and other special tokens) when encoding

  bug
  huggingface/transformers#50519 · Filter by author jcsilva opened on Nov 9, 2026
  1

• save_pretrained deletes shards of an existing variant when saving default weights to the same folder

  bug
  huggingface/transformers#50491 · Filter by author Dhruv-Sharma29 opened on Nov 9, 2026