Browsers have no good way of sandboxing external code. See the trouble that Figma went through to get plugins to work: https://www.figma.com/blog/how-we-built-t

Browsers have no good way of sandboxing external code. See the trouble that Figma went through to get plugins to work: https://www.figma.com/blog/how-we-built-the-figma-plugin-system/ https://www.figma.com/blog/how-we-built-the-figma-plugin-sys...