UILineBreakModeTailTruncation está en desuso.

Recibo un error que indica que UILineBreakModeTailTruncation está en desuso, ¿alguna sugerencia?

[[self.userButton titleLabel] setLineBreakMode:UILineBreakModeTailTruncation]; 

Tienes que usar NSLineBreakByTruncatingTail

Versión Swift 3:

lineBreakMode = .byTruncatingTail

  typedef NS_ENUM(NSInteger, NSLineBreakMode) { /* What to do with long lines */ NSLineBreakByWordWrapping = 0, /* Wrap at word boundaries, default */ NSLineBreakByCharWrapping, /* Wrap at character boundaries */ NSLineBreakByClipping, /* Simply clip */ NSLineBreakByTruncatingHead, /* Truncate at head of line: "…wxyz" */ NSLineBreakByTruncatingTail, /* Truncate at tail of line: "abcd…" */ NSLineBreakByTruncatingMiddle /* Truncate middle of line: "ab…yz" */ } NS_ENUM_AVAILABLE_IOS(6_0); // we use now!