
It was removed as actors that should not affect the input region can simply be added to the uiGroup instead. However the property is useful to add non-reactive chrome, but then use trackChrome() to add a child to the input region. This reverts commit e62d22a50ed8aa25de988fb3c389b999e42f2eac. https://bugzilla.gnome.org/show_bug.cgi?id=744850