Google open-sources TorchTPU, enabling PyTorch to run natively on TPU

Google announced at the PyTorch Conference 2026 in San Jose that it has open-sourced TorchTPU, a complete software stack that allows PyTorch to run natively on TPU, with a single line of code: device_map="tpu". The material mentions that this change involves Hugging Face related processes, but the main text does not fully elaborate.