Even Text shows that issue, so it's not a UITK but Qt 5.2 issue:
import QtQuick 2.0
Text { width: 50 height: 50 maximumLineCount: 2 text: "foo\nfoo" }
Even Text shows that issue, so it's not a UITK but Qt 5.2 issue:
import QtQuick 2.0
Text { Count: 2
width: 50
height: 50
maximumLine
text: "foo\nfoo"
}