0.3.14: transformers 5

[0.3.14] - 2026-02-24

Added

• Add ColQwen3 and BiQwen3 support (model + processor).
• Add regression tests for ColPaliProcessor to validate Transformers v5 modality registration and fallback loading behavior when a processor bundle is incomplete.

Changed

• Bump runtime compatibility to transformers>=5.0.0,<6.0.0, peft>=0.18.0,<0.19.0, and accelerate>=1.1.0,<2.0.0 and atest torch.
• Update supported Python versions to >=3.10,<3.15 and align CI workflows to Python 3.10–3.14.
• Update all affected processor subclasses (Qwen2/Qwen2.5/Qwen3, Gemma3, Idefics3, ModernVBert, Qwen2.5 Omni) to explicit __init__ modality signatures required by Transformers v5 ProcessorMixin.

Fixed

• Fix ColPali/PaliGemma model loading under Transformers v5 by adapting wrapper internals to new module layout and tied-weights expectations.
• Fix ColPali processor loading for checkpoints without a complete processor bundle by explicitly falling back to AutoImageProcessor + AutoTokenizer.
• Fix ColPali collator image token id lookup to use convert_tokens_to_ids, compatible with Transformers v5 tokenizer backend changes.
• Fix test collection on Python 3.14 by making tests an explicit package (tests/__init__.py).
• Fix CI formatting failure by applying ruff format to updated ColPali processing tests.
• Fix ColQwen2 and ColQwen2.5 initialization across Transformers versions by resolving hidden size from either config.hidden_size or config.text_config.hidden_size.
• Call post_init() in ColIdefics3 and ColModernVBert to align model initialization with Transformers v5 expectations.
• Improve VisualRetrieverCollator image token id resolution by preferring processor-level image_token_id when available.
• Fix ColQwen2 and ColQwen2.5 LoRA checkpoint key remapping for custom_text_proj (base_model.model.* -> model keys) to avoid missing/unexpected adapter keys at load time.
• Fix ColPali LoRA adapter key remapping for custom_text_proj (base_model.model.* -> model keys) and ignore expected missing model.lm_head.weight during load.
• Fix ColModernVBert LoRA adapter key remapping for custom_text_proj (base_model.model.* -> model keys) to avoid missing/unexpected adapter keys at load time.
• Fix ColQwen2.5-Omni LoRA adapter key remapping for custom_text_proj (base_model.model.* -> model keys) to avoid missing/unexpected adapter keys at load time.
• Fix ColQwen3 LoRA adapter key remapping for custom_text_proj (base_model.model.* -> model keys) to avoid missing/unexpected adapter keys at load time.
• Fix ColGemma3 LoRA adapter key remapping for custom_text_proj (base_model.model.* -> model keys) to avoid missing/unexpected adapter keys at load time.
• Ensure adapter loading remains robust across Transformers v5 base-load and PEFT adapter-load code paths, preventing silent fallback to randomly initialized projection adapters in retrieval models.

Tests

• Cover ColQwen3 processing and modeling with slow integration tests.
• Run targeted non-slow processing tests for Gemma3, Idefics3, ModernVBert, Qwen2, Qwen2.5 and Qwen3 after the Transformers v5 processor-signature migration.
• Run slow ColPali model-loading and query-forward integration tests under Transformers v5 to validate end-to-end loading behavior.
• Expand adapter checkpoint key remapping regression tests to cover ColPali, ColGemma3, ColQwen2, ColQwen2.5, ColQwen3, ColQwen2.5-Omni and ColModernVBert, including registry-backed conversion checks where needed.