Apple today announced at its Worldwide Developers Conference that iOS 8 will support system wide third-party keyboards.
To this point, third-party keyboards such as SwiftKey Note and Flesky have launched for iOS, although their integration has been limited to note-taking in a separate app and allowing app developers to incorporate their keyboard, respectively. With this announcement, it is likely that both keyboards will launch for iOS with full integration at some point in the future.
Support for third-party keyboards will be included with iOS 8, with the new mobile operating system expected to launch this fall.
Article Link: iOS 8 to Include Support for System Wide Third-Party Keyboards