Start HelloListView, select any item in the middle.
Press up arrow - nothing happens.
Press down arrow - selection jumps to the first item.
It seems to be introduced by this changeset: http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/56c82bf7257e
Although I can't reproduce it with my local build (can't figure out why), only with the hudson builds.