I'm having a problem with keyboard on the iPad, where the keys just fall away , so I could see 2 links that mention the subject at http: //stackoverflow.comisto related to an operating system BUG in newer versions of IOS8 below the 2 links:
http://stackoverflow.com/questions/27462653/keys-disappear-from-keyboard
http://stackoverflow.com/questions/27462653/keys-disappear-from-keyboard