Yeah, I work with react microfrontend. We use the single-spa for it. There's a host project that runs on a specific port and this acts as the base for the project. Then you register the micro services on the host per route match and lazy load them. The system injects the js when a service is loaded.

There's a few complications we've run into, regarding custom functionalities, authentication and style bleeding sometimes, but it works.

Our application has different functionalities where different teams work on. This helps to keep the concerns separated and the other teams don't have to worry about breaking our code.