Building a Plugin System with WebAssembly

Go's native plugin system has existed since 1.8, but it's restrictive and rarely used in real-world projects. While alternatives like HashiCorp's go-plugin offer more flexibility, they come with the overhead of managing separate processes. In this talk, I'll show how we built a lightweight plugin system using WebAssembly (Wasm). We'll explore the architecture, trade-offs, and restrictions of using Wasm for high-performance plugins.

LEVEL: Intermediate

Place
Michelangelo
Length
45 min
When
October 6th, 2025
14:30

Abstract

Go's native plugin system has existed since 1.8, but it's restrictive and rarely used in real-world projects. While alternatives like HashiCorp's go-plugin offer more flexibility, they come with the overhead of managing separate processes. In this talk, I'll show how we built a lightweight plugin system using WebAssembly (Wasm). We'll explore the architecture, trade-offs, and restrictions of using Wasm for high-performance plugins.

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