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(non-blocking) The key rename fixes future reads, but it can't undo an override already persisted on device:
AppDelegate.updateRemoteFeatureFlags(podcasts/AppDelegate.swift:306-317) writesff-override-encourageAccountCreationintoUserDefaultswhenever the remote value's source is.remote, and that store is keyed by the flag'sdescription(the raw value), not by the remote key. So any tester who ran a build containing #4985 whileencourage_account_creationwas servingfalsestill has a storedfalse, and because the newencourage_account_creation_recurringparameter doesn't exist yet itsconfigValuesource is.default— the override block is skipped and nothing clears it. Those users keep the modal disabled.Easiest mitigation: when creating
encourage_account_creation_recurringin Firebase, publish it with an explicittruerather than leaving it absent —override(_:withValue:)deletes the stored key when the incoming value matches the flag default, so one remote fetch cleans the stale entry.