There are, of course, religious controversies. But those are not scientific controversies.
I don’t think there are any serious controversies over common descent, unless you want to get into the nit picking about horizonal gene transfer.
Elsewhere, there are disagreements over the role of natural selection and the role of neutral mutations.
I’m not a biologist. It’s not up to me to say whether it is settled. To some extent, declaring it to be settled can be perhaps seen as a rhetorical move. The expression “settled science” does not have a scientific definition.