Comment by phatskat

You're looking for `@vue/reactivity`[1] - looks like it provides ref, computed, watch, and some internals.

Honestly, this seems pretty nifty. Most projects I'd do today would likely have more value in Vue as a whole, and it's nice to see these kinds of things exposed and standalone bits

[1] https://github.com/vuejs/core/tree/main/packages/reactivity/...