FindDivisions behavior changed?

I submitted this issue to the attention of Wolfram tech support. I received their answer this morning. I quote the relevant part.

I was able to reproduce the issue, and consequently I filed a report with our development team raising the issue.

On the basis of this reply I am tagging the question with bugs.

Although it is not entirely clear from the brief reply I received, I infer that WRI is treating this as an implementation bug and not as a documentation bug.

From version 10.4.1, the corresponding usage line has been removed,

and the front end shows that the syntax is incorrect: