Spin 3.0 – open-source tooling for building and running WASM apps

Radu Matei & Michelle Dhanani have launched Spin 3.0, a major release focusing on serverless WebAssembly applications. Spin is loved for its lightweight, fast start times, and safety guarantees, making it perfect for server-side, sandboxed, or serverless scenarios. The new Component Model standardizes interfaces, allowing components to interoperate regardless of language. Spin 3.0 introduces Component Dependencies for seamless polyglot programming, Selective Deployments for running specific components, deeper WASI integration, and OpenTelemetry observability support. The update also includes Spin Factors for modular runtime and demos showcasing new features. The future of Spin looks bright with active community involvement and further ecosystem integration.

https://www.fermyon.com/blog/introducing-spin-v3

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