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Question

WebAssembly and Web Workers support in Airtable extensions

  • December 30, 2025
  • 0 replies
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Hi everyone,

I’m looking to develop an Airtable extension that relies on some wasm library loaded by the extension script, and some Web Workers started asynchronously on user request (NOT background or service workers, just plain WebWorkers). The wasm scripts are loaded using standard `WebAssembly.instantiateStreaming` API. 

Does anyone know if there are any surprising sandboxing limitations imposed by Airtable extension architecture for this?