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Editorial Team
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Asked: 2026-05-22T20:29:15+00:00

I am developing an application for iPhone. Sometimes I change the xcdatamodel file. Of

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I am developing an application for iPhone.

Sometimes I change the xcdatamodel file.

Of course things will go wrong. But no problem. I just delete the application from the IPhone simulator and start a new again. I am developing after all.

Well, say I have 1 million subscribers with settings bookmark, etc.

Say I want to change the managed object model. Say I am updating my application. I can’t just delete the old application and use a new one.

What should I do then at that time?

Is managed object model unchangeable after release?

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1 Answer

  1. Editorial Team

    You can handle this using a Core Data Migration

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