Afaik, these are all as homogenous as they can make them, but there are limits to that. It's hard to move big, old things forward which creates some diversity,

Afaik, these are all as homogenous as they can make them, but there are limits to that. It's hard to move big, old things forward which creates some diversity, but that's probably worse than consistently running the latest stuff everywhere. If you want heterogeneous environments you have to cobble it together yourself by using multiple services.