iOS backwards compatibility FAQ

xcode download addresses

multiple xcode coexist

Storyboard build error

Error message

This version does not support constraints to layout margins. Open this document with Xcode 6.0 or later.

1. Select UI.storyboard
2. Show the file inspector
3. In Interface Builder Document section Opens in change to Xcode 5.1
4. Uncheck all Constrain to margins