Autosave for inventor files to prevent losing work when a crash occurs similar to how AutoCAD creates a temp file and has a recovery manager in AutoCAD, this is a feature that Solidworks also has.
Before Autodesk, or other user reply and say the solution is to set a timer in the application options (like the last person that posted this idea!) this isn't a solution to many users! Give users the ability to choose whether to autosave or not in the application options.
This is one of the most requested features by our customers when we discuss what they would like to see in the software.