I decided to write the newest version of an iOS app from scratch, copying and pasting big chunks of code from the old project.
In the new app I added a copy of the old app's Core Data model, and proceeded to modify it. Unfortunately, I didn't first make a new version. I'd like to add the old model in again as an older version that it can use for lightweight migration, but I can't figure out how. Editor->Import… doesn't allow me to choose a model file (nor can I find help on the feature). I tried adding a new version to make the .xcdatamodeld, but I can't drag the old file into that. Dragging it to the package in the Finder doesn't seem to help, either. Is there any way to do this? Thanks, -- Rick
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