Deprecate storing user data in UserDefaults #574
Merged
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Summary
Previously we were double-writing to CoreData and to UserDefaults in case we decided not to move ahead with CoreData. Now we have a public release that is fully migrated to CoreData we are committed to the migration, and don't need to maintain the UserDefaults paths.
This leaves in the code which migrates data from UserDefaults to CoreData, so it it still possible to seamlessly upgrade from previous versions, but removes incremental updates to UserDefaults, and deletes all values after the data has been migrated. This means downgrading from this version to <6.7 will require logging in again.
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