We (as a team) are working on BabylonJS everyday and we recently encounter a number of issues due to babylonjs several versions.
To understand I will copy how our package.json was
"otherdependency which was using in its package.json “@babylonjs/core”: “4.2.0”
Problem appear because of our unfixed version because another dependency was using 4.2.0, so all version went to 4.2 but serializer was stuck on 4.1.
We experienced same issues with a weird bug on babylonjs inspector (clicking on left menu was making right menu bug).
In clear, we experienced that babylonjs module should all have same minor versions to fully works.
Clearly error is partially from our part but what I would love to have is to babylonjs respect Semver on es6 imports, minor should not break.
It would have save us a lot of times if BJS would have displayed a warning or an error in this case. I think it’s important to display a correct message as most developper were stuck trying to fix bug.
I hope it can contribute to make bjs better, thanks for the work done !