Correct way to implement API versioning with active_model_serializers

Question

I know there are already some questions and also this is a open issue regarding AMS not handling namespaces too efficiently (which is used by this versioning approach) but I

Answer 1

Since I haven't found a better way, neither documented nor anywhere, it also seems to be correct and I haven't faced problems after a while using it, this appear to be a good approach for API versioning.

Anyway, I advise caution using this approach to not change behaviour of older supported versions for your API. Test carefully and notify your clients for deprecations and support removal for old versions.