As we get closer to our first release, we'll be discussing how to update your custom applications to be compatible with IPS v5. We know this can seem like a daunting task, especially since not all changes will be immediately obvious, so we'll be walking through this step by step.   Updating Source Classes Classnames should no longer start with an underscore. All our source classes are now strictly typed, so any of your classes that extend pretty much anything (Content It