PyTorch Conference Europe 2026 took place April 7-8 in Paris, drawing 600+ researchers and developers. Key announcements included Helion (Meta's Python DSL for ML kernel authoring) and Safetensors (Hugging Face's secure model format) joining the PyTorch Foundation as hosted projects, and ExecuTorch becoming part of PyTorch Core for edge/on-device deployment. Sessions spanned LLM inference optimization (vLLM, KV-cache, chunked decoding), distributed training at scale, agentic AI infrastructure, EU AI Act compliance, and hardware portability across AMD ROCm, NVIDIA Blackwell, Arm SME2, RISC-V, and microcontrollers. Major themes included inference as the new frontier, maturing open source AI stack, and Europe's growing role in responsible AI governance.

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