sentence-transformers v5.7.0: GradCache Overhaul, torch.compile Inference, and Correctness Fixes
Hugging Face released sentence-transformers v5.7.0, a correctness and performance update. It rebuilds all gradient-cached losses on a shared engine, fixing silently wrong gradients and adding token-based mini-batching for up to 3.9x faster training. It also makes torch.compile speed up inference and includes many fixes. Two breaking changes affect int8/uint8 quantization and loss weighting.
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