A dedicated website micro-frontends.org sums all the concepts.
Module Federation, original concept from Webpack, has examples on how to implement the concept with different frameworks.
Due to the complexity of Mac2Sell I have been looking regularly at the concept.
Many projects I have a time critical on browser rendering so I am not spending browser loading time budget on glueing several frontends together (yet).
I remember reading about it at Martin Fowler.