xcode - Is this a UILabel Bug? -

i have simple custom view have uilabel child:

class uinotificationdetail :uiview { let title = uilabel() let content = uilabel() let date = uilabel() let dismissbutton = uibutton.buttonwithtype(uibuttontype.custom) as! uibutton let kmargin : cgfloat = 10 override init(frame: cgrect) {     super.init(frame:frame) } convenience init(notification : uinotification){     self.init(frame: rb.withscreen().make())     self.backgroundcolor = config.graycolor     self.dismissbutton.frame.size = cgsizemake(40, 40)     self.dismissbutton.backgroundcolor = uicolor.clearcolor()     self.dismissbutton.setimage(uiimage(named:"x_orange"), forstate: uicontrolstate.normal)     self.dismissbutton.tintcolor = config.orangecolor       let fontname = self.title.font.fontname     self.title.numberoflines = 0     self.title.textcolor = config.orangecolor     self.title.text = notification.title      self.content.numberoflines = 0     self.content.font = uifont(name: fontname, size: 12)     self.content.text = notification.description      self.date.font = uifont(name: fontname, size: 10)     self.date.numberoflines = 0     self.date.text = notification.date      self.addsubview(self.date)     self.addsubview(self.title)     self.addsubview(self.content)     if config.isiphone{         self.addsubview(self.dismissbutton)     }   } required  init(coder adecoder: nscoder) {     fatalerror("init(coder:) has not been implemented") }  override  func drawrect(rect: cgrect) {     super.drawrect(rect)     let width = rect.size.width - 2*kmargin      self.dismissbutton.frame = rb.withparent(rect).sameas(self.dismissbutton.frame).right(kmargin).top(kmargin / 2).make()      self.date.frame = rb.withparent(rect).sameas(self.date.frame).top(3*kmargin).left(kmargin).make()     self.date.sizetofit()      self.title.frame = rb.withparent(rect).sameas(self.title.frame).bottomof(self.date.frame, offset: kmargin / 2)         .left(kmargin).width(width).make()     self.title.sizetofit()      self.content.frame = rb.withparent(rect).sameas(self.content.frame).bottomof(self.title.frame, offset: kmargin / 2)         .left(kmargin).width(width).make()     self.content.sizetofit()  }  } 

that view popoulaed uinotification got async rest-service. work fine till decide create in administration 1 uinotification had in description string word containing simple : ì

if cell , view detail have uilabel text contains di ì see in cell:

and in details:

if string doesn't contain ì working fine:

cell:

details:

someone got same issues? run: xcode version 6.3.2 (6d2105) swift 1.2 ios sdk 8.3