qml binding with global variable in Repeater do not work

There is a regression on the way of handling bindings with items in a Repeater which are bind to a variable in an ancestor of the Repeater (it is working fine in Qt5.9.6, I don't know for the 5.10 and 5.11).

In the following example, there should be 5 lemons displayed.

But the width isn't updated when the variable it is binded is.

If I create an alias of the variable I use to do the binding on the Repeater (commented lines) it works fine.