Dispatch
Simon Willison's March 2026 Newsletter: Agentic Engineering Patterns, MoE Streaming on Mac, Supply Chain Attacks
Simon Willison published his March 2026 sponsors-only newsletter covering advances in agentic engineering patterns (extending his most-referenced guide of 2026), practical streaming of MoE models on Mac hardware, and analysis of the PyPI and npm supply chain attacks that defined March's security landscape. Willison remains the single highest-signal meta-aggregator in the AI practitioner ecosystem, now in his 14th consecutive month as this pipeline's top RSS source.
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