I use Plasmo. Strongly recommend it. So much so I gave them a shout-out in a blog post just this Sunday (https://moddable.app/blog/unofficial-mod-support https:

I use Plasmo. Strongly recommend it. So much so I gave them a shout-out in a blog post just this Sunday (https://moddable.app/blog/unofficial-mod-support https://moddable.app/blog/unofficial-mod-support). I don't really use the framework stuff but HMR that works really well is just chefs kiss.