The final piece that's pushing the two first crucial changes over the paradigm hill is import maps. They allow the use of logical references for modules in ES6 (also known as ESM), rather than explicit file references.

Today, many web developers are even using JavaScript's native module syntax, but combining it with bare import specifiers, thus making their code unable to run on the web without per-application, ahead-of-time modification. We'd like to solve that, and bring these benefits to the web.