This update from Apple will improve the functionality of this app. No new features are included.

Reworked interface
    Added space bar
    Bigger buttons

New Icon

Visual redesign

Minor bug fixes
New emojis

Remove "Loser Symbol" emoticon

Added long-press to copy
New "Loser Symbol" emoticon
Hold the backspace button like default keyboard
Minor bug fixes and improvements

Added support for new languages
Minor bug fixes

-Added 10 new emoticons (including everyone's favorite: the middle finger)
-Added backwards compatibility to older versions of iOS
-Minor UX improvements