A term used by open standards suppliers such as Milestone Systems to describe the undesirable situation that the use of open systems avoids. Performing a forklift upgrade implies that system enhancements can't be performed piecemeal and that a small upgrade demands large scale associated changes. This goes against the notions of open architecture and plug-and-play. It is argued that by enabling network nodes to be independent from each other and vanilla, each can be swapped out of the system for upgrading without having to change other elements of the system.
Apple is soon to release the latest version of its mobile operating system with major changes to the way in which security is handled with some security apps being predicted to be inoperable on the new version