On 05 May 2015, at 20:58, Nicolai Hess <nicolaihess@web.de> wrote:2015-05-05 14:13 GMT+02:00 Yuriy Tymchuk <yuriy.tymchuk@me.com>:Hi,when I use strings for list items of NewList - everything is fine, but if I use morphs - I get a strange artifacts if another window showers over them. Here is an example video: https://dl.dropboxusercontent.com/u/83145561/morphItems.movMaybe some morph gurus have an idea what���s wrong? For now I���ve discovered that all items render themselves with #listRenderOn:atRow:bounds:color:backgroundColor:from:I can not reproduce this, how do you draw the items? Did you use NewListModel or do you use just NewList ?Cheers!Uko